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Revision 1.71		Revision 1.399
1	# Copyright 1999-2003 Gentoo Technologies, Inc.	1	# Copyright 1999-2012 Gentoo Foundation
2	# Distributed under the terms of the GNU General Public License v2	2	# Distributed under the terms of the GNU General Public License v2
3	# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.71 2003/11/30 11:42:09 vapier Exp $	3	# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.399 2012/06/14 23:40:29 ssuominen Exp $
4	#
5	# Author: Martin Schlemmer <azarah@gentoo.org>
6	#
7	# This eclass is for general purpose functions that most ebuilds
8	# have to implement themselves.
9	#
10	# NB: If you add anything, please comment it!
11		4
12	ECLASS=eutils	5	# @ECLASS: eutils.eclass
13	INHERITED="$INHERITED $ECLASS"	6	# @MAINTAINER:
		7	# base-system@gentoo.org
		8	# @BLURB: many extra (but common) functions that are used in ebuilds
		9	# @DESCRIPTION:
		10	# The eutils eclass contains a suite of functions that complement
		11	# the ones that ebuild.sh already contain. The idea is that the functions
		12	# are not required in all ebuilds but enough utilize them to have a common
		13	# home rather than having multiple ebuilds implementing the same thing.
		14	#
		15	# Due to the nature of this eclass, some functions may have maintainers
		16	# different from the overall eclass!
14		17
15	newdepend "!bootstrap? ( sys-devel/patch )"	18	if [[ ${___ECLASS_ONCE_EUTILS} != "recur -_+^+_- spank" ]] ; then
		19	___ECLASS_ONCE_EUTILS="recur -_+^+_- spank"
		20
		21	inherit multilib toolchain-funcs user
16		22
17	DESCRIPTION="Based on the ${ECLASS} eclass"	23	DESCRIPTION="Based on the ${ECLASS} eclass"
18		24
19	# This function generate linker scripts in /usr/lib for dynamic	25	if has "${EAPI:-0}" 0 1 2; then
20	# libs in /lib. This is to fix linking problems when you have
21	# the .so in /lib, and the .a in /usr/lib. What happens is that
22	# in some cases when linking dynamic, the .a in /usr/lib is used
23	# instead of the .so in /lib due to gcc/libtool tweaking ld's
24	# library search path. This cause many builds to fail.
25	# See bug #4411 for more info.
26	#
27	# To use, simply call:
28	#
29	# gen_usr_ldscript libfoo.so
30	#
31	# Note that you should in general use the unversioned name of
32	# the library, as ldconfig should usually update it correctly
33	# to point to the latest version of the library present.
34	#
35	# <azarah@gentoo.org> (26 Oct 2002)
36	#
37	gen_usr_ldscript() {
38		26
39	# Just make sure it exists	27	# @FUNCTION: epause
40	dodir /usr/lib	28	# @USAGE: [seconds]
41		29	# @DESCRIPTION:
42	cat > ${D}/usr/lib/$1 <<"END_LDSCRIPT"	30	# Sleep for the specified number of seconds (default of 5 seconds). Useful when
43	/* GNU ld script	31	# printing a message the user should probably be reading and often used in
44	Because Gentoo have critical dynamic libraries	32	# conjunction with the ebeep function. If the EPAUSE_IGNORE env var is set,
45	in /lib, and the static versions in /usr/lib, we	33	# don't wait at all. Defined in EAPIs 0 1 and 2.
46	need to have a "fake" dynamic lib in /usr/lib,	34	epause() {
47	otherwise we run into linking problems.	35	[[ -z ${EPAUSE_IGNORE} ]] && sleep ${1:-5}
48	See bug #4411 on http://bugs.gentoo.org/ for
49	more info. */
50	GROUP ( /lib/libxxx )
51	END_LDSCRIPT
52
53	dosed "s:libxxx:$1:" /usr/lib/$1
54
55	return 0
56	}	36	}
57		37
58	# Simple function to draw a line consisting of '=' the same length as $*	38	# @FUNCTION: ebeep
59	#	39	# @USAGE: [number of beeps]
60	# <azarah@gentoo.org> (11 Nov 2002)	40	# @DESCRIPTION:
61	#	41	# Issue the specified number of beeps (default of 5 beeps). Useful when
62	draw_line() {	42	# printing a message the user should probably be reading and often used in
		43	# conjunction with the epause function. If the EBEEP_IGNORE env var is set,
		44	# don't beep at all. Defined in EAPIs 0 1 and 2.
		45	ebeep() {
63	local i=0	46	local n
64	local str_length=""	47	if [[ -z ${EBEEP_IGNORE} ]] ; then
65		48	for ((n=1 ; n <= ${1:-5} ; n++)) ; do
66	# Handle calls that do not have args, or wc not being installed ...
67	if [ -z "$1" -o ! -x "$(which wc 2>/dev/null)" ]
68	then
69	echo "==============================================================="
70	return 0
71	fi
72
73	# Get the length of $*
74	str_length="$(echo -n "$*" \| wc -m)"
75
76	while [ "$i" -lt "${str_length}" ]
77	do
78	echo -n "="	49	echo -ne "\a"
79		50	sleep 0.1 &>/dev/null ; sleep 0,1 &>/dev/null
80	i=$((i + 1))	51	echo -ne "\a"
		52	sleep 1
81	done	53	done
		54	fi
		55	}
82		56
83	echo	57	else
84		58
		59	ebeep() {
		60	ewarn "QA Notice: ebeep is not defined in EAPI=${EAPI}, please file a bug at http://bugs.gentoo.org"
		61	}
		62
		63	epause() {
		64	ewarn "QA Notice: epause is not defined in EAPI=${EAPI}, please file a bug at http://bugs.gentoo.org"
		65	}
		66
		67	fi
		68
		69	# @FUNCTION: eqawarn
		70	# @USAGE: [message]
		71	# @DESCRIPTION:
		72	# Proxy to ewarn for package managers that don't provide eqawarn and use the PM
		73	# implementation if available. Reuses PORTAGE_ELOG_CLASSES as set by the dev
		74	# profile.
		75	if ! declare -F eqawarn >/dev/null ; then
		76	eqawarn() {
		77	has qa ${PORTAGE_ELOG_CLASSES} && ewarn "$@"
		78	:
		79	}
		80	fi
		81
		82	# @FUNCTION: ecvs_clean
		83	# @USAGE: [list of dirs]
		84	# @DESCRIPTION:
		85	# Remove CVS directories recursiveley. Useful when a source tarball contains
		86	# internal CVS directories. Defaults to $PWD.
		87	ecvs_clean() {
		88	[[ -z $* ]] && set -- .
		89	find "$@" -type d -name 'CVS' -prune -print0 \| xargs -0 rm -rf
		90	find "$@" -type f -name '.cvs*' -print0 \| xargs -0 rm -rf
		91	}
		92
		93	# @FUNCTION: esvn_clean
		94	# @USAGE: [list of dirs]
		95	# @DESCRIPTION:
		96	# Remove .svn directories recursiveley. Useful when a source tarball contains
		97	# internal Subversion directories. Defaults to $PWD.
		98	esvn_clean() {
		99	[[ -z $* ]] && set -- .
		100	find "$@" -type d -name '.svn' -prune -print0 \| xargs -0 rm -rf
		101	}
		102
		103	# @FUNCTION: estack_push
		104	# @USAGE: <stack> [items to push]
		105	# @DESCRIPTION:
		106	# Push any number of items onto the specified stack. Pick a name that
		107	# is a valid variable (i.e. stick to alphanumerics), and push as many
		108	# items as you like onto the stack at once.
		109	#
		110	# The following code snippet will echo 5, then 4, then 3, then ...
		111	# @CODE
		112	# estack_push mystack 1 2 3 4 5
		113	# while estack_pop mystack i ; do
		114	# echo "${i}"
		115	# done
		116	# @CODE
		117	estack_push() {
		118	[[ $# -eq 0 ]] && die "estack_push: incorrect # of arguments"
		119	local stack_name="__ESTACK_$1__" ; shift
		120	eval ${stack_name}+=$ \"\$@\" $
		121	}
		122
		123	# @FUNCTION: estack_pop
		124	# @USAGE: <stack> [variable]
		125	# @DESCRIPTION:
		126	# Pop a single item off the specified stack. If a variable is specified,
		127	# the popped item is stored there. If no more items are available, return
		128	# 1, else return 0. See estack_push for more info.
		129	estack_pop() {
		130	[[ $# -eq 0 \|\| $# -gt 2 ]] && die "estack_pop: incorrect # of arguments"
		131
		132	# We use the fugly __estack_xxx var names to avoid collision with
		133	# passing back the return value. If we used "local i" and the
		134	# caller ran `estack_pop ... i`, we'd end up setting the local
		135	# copy of "i" rather than the caller's copy. The __estack_xxx
		136	# garbage is preferable to using $1/$2 everywhere as that is a
		137	# bit harder to read.
		138	local __estack_name="__ESTACK_$1__" ; shift
		139	local __estack_retvar=$1 ; shift
		140	eval local __estack_i=\${#${__estack_name}\[@\]}
		141	# Don't warn -- let the caller interpret this as a failure
		142	# or as normal behavior (akin to `shift`)
		143	[[ $(( --__estack_i )) -eq -1 ]] && return 1
		144
		145	if [[ -n ${__estack_retvar} ]] ; then
		146	eval ${__estack_retvar}=\"\${${__estack_name}\[${__estack_i}\]}\"
		147	fi
		148	eval unset ${__estack_name}\[${__estack_i}\]
		149	}
		150
		151	# @FUNCTION: eshopts_push
		152	# @USAGE: [options to `set` or `shopt`]
		153	# @DESCRIPTION:
		154	# Often times code will want to enable a shell option to change code behavior.
		155	# Since changing shell options can easily break other pieces of code (which
		156	# assume the default state), eshopts_push is used to (1) push the current shell
		157	# options onto a stack and (2) pass the specified arguments to set.
		158	#
		159	# If the first argument is '-s' or '-u', we assume you want to call `shopt`
		160	# rather than `set` as there are some options only available via that.
		161	#
		162	# A common example is to disable shell globbing so that special meaning/care
		163	# may be used with variables/arguments to custom functions. That would be:
		164	# @CODE
		165	# eshopts_push -s noglob
		166	# for x in ${foo} ; do
		167	# if ...some check... ; then
		168	# eshopts_pop
85	return 0	169	# return 0
		170	# fi
		171	# done
		172	# eshopts_pop
		173	# @CODE
		174	eshopts_push() {
		175	if [[ $1 == -[su] ]] ; then
		176	estack_push eshopts "$(shopt -p)"
		177	[[ $# -eq 0 ]] && return 0
		178	shopt "$@" \|\| die "${FUNCNAME}: bad options to shopt: $*"
		179	else
		180	estack_push eshopts $-
		181	[[ $# -eq 0 ]] && return 0
		182	set "$@" \|\| die "${FUNCNAME}: bad options to set: $*"
		183	fi
86	}	184	}
87		185
88	# Default directory where patches are located	186	# @FUNCTION: eshopts_pop
		187	# @USAGE:
		188	# @DESCRIPTION:
		189	# Restore the shell options to the state saved with the corresponding
		190	# eshopts_push call. See that function for more details.
		191	eshopts_pop() {
		192	local s
		193	estack_pop eshopts s \|\| die "${FUNCNAME}: unbalanced push"
		194	if [[ ${s} == "shopt -"* ]] ; then
		195	eval "${s}" \|\| die "${FUNCNAME}: sanity: invalid shopt options: ${s}"
		196	else
		197	set +$- \|\| die "${FUNCNAME}: sanity: invalid shell settings: $-"
		198	set -${s} \|\| die "${FUNCNAME}: sanity: unable to restore saved shell settings: ${s}"
		199	fi
		200	}
		201
		202	# @FUNCTION: eumask_push
		203	# @USAGE: <new umask>
		204	# @DESCRIPTION:
		205	# Set the umask to the new value specified while saving the previous
		206	# value onto a stack. Useful for temporarily changing the umask.
		207	eumask_push() {
		208	estack_push eumask "$(umask)"
		209	umask "$@" \|\| die "${FUNCNAME}: bad options to umask: $*"
		210	}
		211
		212	# @FUNCTION: eumask_pop
		213	# @USAGE:
		214	# @DESCRIPTION:
		215	# Restore the previous umask state.
		216	eumask_pop() {
		217	[[ $# -eq 0 ]] \|\| die "${FUNCNAME}: we take no options"
		218	local s
		219	estack_pop eumask s \|\| die "${FUNCNAME}: unbalanced push"
		220	umask ${s} \|\| die "${FUNCNAME}: sanity: could not restore umask: ${s}"
		221	}
		222
		223	# @VARIABLE: EPATCH_SOURCE
		224	# @DESCRIPTION:
		225	# Default directory to search for patches.
89	EPATCH_SOURCE="${WORKDIR}/patch"	226	EPATCH_SOURCE="${WORKDIR}/patch"
90	# Default extension for patches	227	# @VARIABLE: EPATCH_SUFFIX
		228	# @DESCRIPTION:
		229	# Default extension for patches (do not prefix the period yourself).
91	EPATCH_SUFFIX="patch.bz2"	230	EPATCH_SUFFIX="patch.bz2"
92	# Default options for patch	231	# @VARIABLE: EPATCH_OPTS
93	# Set -g0 to keep RCS, ClearCase, Perforce and SCCS happy. Bug #24571	232	# @DESCRIPTION:
		233	# Options to pass to patch. Meant for ebuild/package-specific tweaking
		234	# such as forcing the patch level (-p#) or fuzz (-F#) factor. Note that
		235	# for single patch tweaking, you can also pass flags directly to epatch.
94	EPATCH_OPTS="-g0"	236	EPATCH_OPTS=""
		237	# @VARIABLE: EPATCH_COMMON_OPTS
		238	# @DESCRIPTION:
		239	# Common options to pass to `patch`. You probably should never need to
		240	# change these. If you do, please discuss it with base-system first to
		241	# be sure.
		242	# @CODE
		243	# -g0 - keep RCS, ClearCase, Perforce and SCCS happy #24571
		244	# --no-backup-if-mismatch - do not leave .orig files behind
		245	# -E - automatically remove empty files
		246	# @CODE
		247	EPATCH_COMMON_OPTS="-g0 -E --no-backup-if-mismatch"
		248	# @VARIABLE: EPATCH_EXCLUDE
		249	# @DESCRIPTION:
95	# List of patches not to apply. Not this is only file names,	250	# List of patches not to apply. Note this is only file names,
96	# and not the full path ..	251	# and not the full path. Globs accepted.
97	EPATCH_EXCLUDE=""	252	EPATCH_EXCLUDE=""
		253	# @VARIABLE: EPATCH_SINGLE_MSG
		254	# @DESCRIPTION:
98	# Change the printed message for a single patch.	255	# Change the printed message for a single patch.
99	EPATCH_SINGLE_MSG=""	256	EPATCH_SINGLE_MSG=""
100	# Force applying bulk patches even if not following the style:	257	# @VARIABLE: EPATCH_MULTI_MSG
101	#	258	# @DESCRIPTION:
102	# ??_${ARCH}_foo.${EPATCH_SUFFIX}	259	# Change the printed message for multiple patches.
103	#	260	EPATCH_MULTI_MSG="Applying various patches (bugfixes/updates) ..."
		261	# @VARIABLE: EPATCH_FORCE
		262	# @DESCRIPTION:
		263	# Only require patches to match EPATCH_SUFFIX rather than the extended
		264	# arch naming style.
104	EPATCH_FORCE="no"	265	EPATCH_FORCE="no"
105		266
106	# This function is for bulk patching, or in theory for just one	267	# @FUNCTION: epatch
107	# or two patches.	268	# @USAGE: [options] [patches] [dirs of patches]
		269	# @DESCRIPTION:
		270	# epatch is designed to greatly simplify the application of patches. It can
		271	# process patch files directly, or directories of patches. The patches may be
		272	# compressed (bzip/gzip/etc...) or plain text. You generally need not specify
		273	# the -p option as epatch will automatically attempt -p0 to -p5 until things
		274	# apply successfully.
108	#	275	#
109	# It should work with .bz2, .gz, .zip and plain text patches.	276	# If you do not specify any patches/dirs, then epatch will default to the
110	# Currently all patches should be the same format.	277	# directory specified by EPATCH_SOURCE.
111	#	278	#
112	# You do not have to specify '-p' option to patch, as it will	279	# Any options specified that start with a dash will be passed down to patch
113	# try with -p0 to -p5 until it succeed, or fail at -p5.	280	# for this specific invocation. As soon as an arg w/out a dash is found, then
		281	# arg processing stops.
114	#	282	#
115	# Above EPATCH_* variables can be used to control various defaults,	283	# When processing directories, epatch will apply all patches that match:
116	# bug they should be left as is to ensure an ebuild can rely on	284	# @CODE
117	# them for.	285	# if ${EPATCH_FORCE} != "yes"
118	#
119	# Patches are applied in current directory.
120	#
121	# Bulk Patches should preferibly have the form of:
122	#
123	# ??_${ARCH}_foo.${EPATCH_SUFFIX}	286	# ??_${ARCH}_foo.${EPATCH_SUFFIX}
		287	# else
		288	# *.${EPATCH_SUFFIX}
		289	# @CODE
		290	# The leading ?? are typically numbers used to force consistent patch ordering.
		291	# The arch field is used to apply patches only for the host architecture with
		292	# the special value of "all" means apply for everyone. Note that using values
		293	# other than "all" is highly discouraged -- you should apply patches all the
		294	# time and let architecture details be detected at configure/compile time.
124	#	295	#
125	# For example:	296	# If EPATCH_SUFFIX is empty, then no period before it is implied when searching
		297	# for patches to apply.
126	#	298	#
127	# 01_all_misc-fix.patch.bz2	299	# Refer to the other EPATCH_xxx variables for more customization of behavior.
128	# 02_sparc_another-fix.patch.bz2
129	#
130	# This ensures that there are a set order, and you can have ARCH
131	# specific patches.
132	#
133	# If you however give an argument to epatch(), it will treat it as a
134	# single patch that need to be applied if its a file. If on the other
135	# hand its a directory, it will set EPATCH_SOURCE to this.
136	#
137	# <azarah@gentoo.org> (10 Nov 2002)
138	#
139	epatch() {	300	epatch() {
140	local PIPE_CMD=""	301	_epatch_draw_line() {
141	local STDERR_TARGET="${T}/$$.out"	302	# create a line of same length as input string
142	local PATCH_TARGET="${T}/$$.patch"	303	[[ -z $1 ]] && set "$(printf "%65s" '')"
143	local PATCH_SUFFIX=""	304	echo "${1//?/=}"
		305	}
		306
		307	unset P4CONFIG P4PORT P4USER # keep perforce at bay #56402
		308
		309	# First process options. We localize the EPATCH_OPTS setting
		310	# from above so that we can pass it on in the loop below with
		311	# any additional values the user has specified.
		312	local EPATCH_OPTS=( ${EPATCH_OPTS[*]} )
		313	while [[ $# -gt 0 ]] ; do
		314	case $1 in
		315	-*) EPATCH_OPTS+=( "$1" ) ;;
		316	*) break ;;
		317	esac
		318	shift
		319	done
		320
		321	# Let the rest of the code process one user arg at a time --
		322	# each arg may expand into multiple patches, and each arg may
		323	# need to start off with the default global EPATCH_xxx values
		324	if [[ $# -gt 1 ]] ; then
		325	local m
		326	for m in "$@" ; do
		327	epatch "${m}"
		328	done
		329	return 0
		330	fi
		331
144	local SINGLE_PATCH="no"	332	local SINGLE_PATCH="no"
145	local x=""	333	# no args means process ${EPATCH_SOURCE}
		334	[[ $# -eq 0 ]] && set -- "${EPATCH_SOURCE}"
146		335
147	if [ "$#" -gt 1 ]	336	if [[ -f $1 ]] ; then
148	then
149	eerror "Invalid arguments to epatch()"
150	die "Invalid arguments to epatch()"
151	fi
152
153	if [ -n "$1" -a -f "$1" ]
154	then
155	SINGLE_PATCH="yes"	337	SINGLE_PATCH="yes"
156		338	set -- "$1"
157	local EPATCH_SOURCE="$1"	339	# Use the suffix from the single patch (localize it); the code
		340	# below will find the suffix for us
158	local EPATCH_SUFFIX="${1##*\.}"	341	local EPATCH_SUFFIX=$1
159		342
160	elif [ -n "$1" -a -d "$1" ]	343	elif [[ -d $1 ]] ; then
161	then	344	# Some people like to make dirs of patches w/out suffixes (vim)
162	# Allow no extension if EPATCH_FORCE=yes ... used by vim for example ...	345	set -- "$1"/*${EPATCH_SUFFIX:+."${EPATCH_SUFFIX}"}
163	if [ "${EPATCH_FORCE}" = "yes" ] && [ -z "${EPATCH_SUFFIX}" ]	346
		347	elif [[ -f ${EPATCH_SOURCE}/$1 ]] ; then
		348	# Re-use EPATCH_SOURCE as a search dir
		349	epatch "${EPATCH_SOURCE}/$1"
		350	return $?
		351
		352	else
		353	# sanity check ... if it isn't a dir or file, wtf man ?
		354	[[ $# -ne 0 ]] && EPATCH_SOURCE=$1
		355	echo
		356	eerror "Cannot find \$EPATCH_SOURCE! Value for \$EPATCH_SOURCE is:"
		357	eerror
		358	eerror " ${EPATCH_SOURCE}"
		359	eerror " ( ${EPATCH_SOURCE##*/} )"
		360	echo
		361	die "Cannot find \$EPATCH_SOURCE!"
		362	fi
		363
		364	# Now that we know we're actually going to apply something, merge
		365	# all of the patch options back in to a single variable for below.
		366	EPATCH_OPTS="${EPATCH_COMMON_OPTS} ${EPATCH_OPTS[*]}"
		367
		368	local PIPE_CMD
		369	case ${EPATCH_SUFFIX##*\.} in
		370	xz) PIPE_CMD="xz -dc" ;;
		371	lzma) PIPE_CMD="lzma -dc" ;;
		372	bz2) PIPE_CMD="bzip2 -dc" ;;
		373	gz\|Z\|z) PIPE_CMD="gzip -dc" ;;
		374	ZIP\|zip) PIPE_CMD="unzip -p" ;;
		375	*) ;;
		376	esac
		377
		378	[[ ${SINGLE_PATCH} == "no" ]] && einfo "${EPATCH_MULTI_MSG}"
		379
		380	local x
		381	for x in "$@" ; do
		382	# If the patch dir given contains subdirs, or our EPATCH_SUFFIX
		383	# didn't match anything, ignore continue on
		384	[[ ! -f ${x} ]] && continue
		385
		386	local patchname=${x##*/}
		387
		388	# Apply single patches, or forced sets of patches, or
		389	# patches with ARCH dependant names.
		390	# ???_arch_foo.patch
		391	# Else, skip this input altogether
		392	local a=${patchname#*_} # strip the ???_
		393	a=${a%%_*} # strip the _foo.patch
		394	if ! [[ ${SINGLE_PATCH} == "yes" \|\| \
		395	${EPATCH_FORCE} == "yes" \|\| \
		396	${a} == all \|\| \
		397	${a} == ${ARCH} ]]
164	then	398	then
165	local EPATCH_SOURCE="$1/*"	399	continue
		400	fi
		401
		402	# Let people filter things dynamically
		403	if [[ -n ${EPATCH_EXCLUDE} ]] ; then
		404	# let people use globs in the exclude
		405	eshopts_push -o noglob
		406
		407	local ex
		408	for ex in ${EPATCH_EXCLUDE} ; do
		409	if [[ ${patchname} == ${ex} ]] ; then
		410	eshopts_pop
		411	continue 2
		412	fi
		413	done
		414
		415	eshopts_pop
		416	fi
		417
		418	if [[ ${SINGLE_PATCH} == "yes" ]] ; then
		419	if [[ -n ${EPATCH_SINGLE_MSG} ]] ; then
		420	einfo "${EPATCH_SINGLE_MSG}"
		421	else
		422	einfo "Applying ${patchname} ..."
		423	fi
166	else	424	else
167	local EPATCH_SOURCE="$1/*.${EPATCH_SUFFIX}"	425	einfo " ${patchname} ..."
		426	fi
		427
		428	# most of the time, there will only be one run per unique name,
		429	# but if there are more, make sure we get unique log filenames
		430	local STDERR_TARGET="${T}/${patchname}.out"
		431	if [[ -e ${STDERR_TARGET} ]] ; then
		432	STDERR_TARGET="${T}/${patchname}-$$.out"
		433	fi
		434
		435	printf "*** %s ***\nPWD: %s\n\n" "${patchname}" "${PWD}" > "${STDERR_TARGET}"
		436
		437	# Decompress the patch if need be
		438	local count=0
		439	local PATCH_TARGET
		440	if [[ -n ${PIPE_CMD} ]] ; then
		441	PATCH_TARGET="${T}/$$.patch"
		442	echo "PIPE_COMMAND: ${PIPE_CMD} ${x} > ${PATCH_TARGET}" >> "${STDERR_TARGET}"
		443
		444	if ! (${PIPE_CMD} "${x}" > "${PATCH_TARGET}") >> "${STDERR_TARGET}" 2>&1 ; then
		445	echo
		446	eerror "Could not extract patch!"
		447	#die "Could not extract patch!"
		448	count=5
		449	break
168	fi	450	fi
		451	else
		452	PATCH_TARGET=${x}
		453	fi
		454
		455	# Check for absolute paths in patches. If sandbox is disabled,
		456	# people could (accidently) patch files in the root filesystem.
		457	# Or trigger other unpleasantries #237667. So disallow -p0 on
		458	# such patches.
		459	local abs_paths=$(egrep -n '^[-+]{3} /' "${PATCH_TARGET}" \| awk '$2 != "/dev/null" { print }')
		460	if [[ -n ${abs_paths} ]] ; then
		461	count=1
		462	printf "NOTE: skipping -p0 due to absolute paths in patch:\n%s\n" "${abs_paths}" >> "${STDERR_TARGET}"
		463	fi
		464	# Similar reason, but with relative paths.
		465	local rel_paths=$(egrep -n '^[-+]{3} [^ ]*[.][.]/' "${PATCH_TARGET}")
		466	if [[ -n ${rel_paths} ]] ; then
		467	eqawarn "QA Notice: Your patch uses relative paths '../'."
		468	eqawarn " In the future this will cause a failure."
		469	eqawarn "${rel_paths}"
		470	fi
		471
		472	# Dynamically detect the correct -p# ... i'm lazy, so shoot me :/
		473	local patch_cmd
		474	while [[ ${count} -lt 5 ]] ; do
		475	patch_cmd="${BASH_ALIASES[patch]:-patch} -p${count} ${EPATCH_OPTS}"
		476
		477	# Generate some useful debug info ...
		478	(
		479	_epatch_draw_line "*** ${patchname} ***"
		480	echo
		481	echo "PATCH COMMAND: ${patch_cmd} < '${PATCH_TARGET}'"
		482	echo
		483	_epatch_draw_line "*** ${patchname} ***"
		484	${patch_cmd} --dry-run -f < "${PATCH_TARGET}" 2>&1
		485	ret=$?
		486	echo
		487	echo "patch program exited with status ${ret}"
		488	exit ${ret}
		489	) >> "${STDERR_TARGET}"
		490
		491	if [ $? -eq 0 ] ; then
		492	(
		493	_epatch_draw_line "*** ${patchname} ***"
		494	echo
		495	echo "ACTUALLY APPLYING ${patchname} ..."
		496	echo
		497	_epatch_draw_line "*** ${patchname} ***"
		498	${patch_cmd} < "${PATCH_TARGET}" 2>&1
		499	ret=$?
		500	echo
		501	echo "patch program exited with status ${ret}"
		502	exit ${ret}
		503	) >> "${STDERR_TARGET}"
		504
		505	if [ $? -ne 0 ] ; then
		506	echo
		507	eerror "A dry-run of patch command succeeded, but actually"
		508	eerror "applying the patch failed!"
		509	#die "Real world sux compared to the dreamworld!"
		510	count=5
		511	fi
		512	break
		513	fi
		514
		515	: $(( count++ ))
		516	done
		517
		518	# if we had to decompress the patch, delete the temp one
		519	if [[ -n ${PIPE_CMD} ]] ; then
		520	rm -f "${PATCH_TARGET}"
		521	fi
		522
		523	if [[ ${count} -ge 5 ]] ; then
		524	echo
		525	eerror "Failed Patch: ${patchname} !"
		526	eerror " ( ${PATCH_TARGET} )"
		527	eerror
		528	eerror "Include in your bugreport the contents of:"
		529	eerror
		530	eerror " ${STDERR_TARGET}"
		531	echo
		532	die "Failed Patch: ${patchname}!"
		533	fi
		534
		535	# if everything worked, delete the full debug patch log
		536	rm -f "${STDERR_TARGET}"
		537
		538	# then log away the exact stuff for people to review later
		539	cat <<-EOF >> "${T}/epatch.log"
		540	PATCH: ${x}
		541	CMD: ${patch_cmd}
		542	PWD: ${PWD}
		543
		544	EOF
		545	eend 0
		546	done
		547
		548	[[ ${SINGLE_PATCH} == "no" ]] && einfo "Done with patching"
		549	: # everything worked
		550	}
		551
		552	# @FUNCTION: epatch_user
		553	# @USAGE:
		554	# @DESCRIPTION:
		555	# Applies user-provided patches to the source tree. The patches are
		556	# taken from /etc/portage/patches/<CATEGORY>/<PF\|P\|PN>/, where the first
		557	# of these three directories to exist will be the one to use, ignoring
		558	# any more general directories which might exist as well. They must end
		559	# in ".patch" to be applied.
		560	#
		561	# User patches are intended for quick testing of patches without ebuild
		562	# modifications, as well as for permanent customizations a user might
		563	# desire. Obviously, there can be no official support for arbitrarily
		564	# patched ebuilds. So whenever a build log in a bug report mentions that
		565	# user patches were applied, the user should be asked to reproduce the
		566	# problem without these.
		567	#
		568	# Not all ebuilds do call this function, so placing patches in the
		569	# stated directory might or might not work, depending on the package and
		570	# the eclasses it inherits and uses. It is safe to call the function
		571	# repeatedly, so it is always possible to add a call at the ebuild
		572	# level. The first call is the time when the patches will be
		573	# applied.
		574	#
		575	# Ideally, this function should be called after gentoo-specific patches
		576	# have been applied, so that their code can be modified as well, but
		577	# before calls to e.g. eautoreconf, as the user patches might affect
		578	# autotool input files as well.
		579	epatch_user() {
		580	[[ $# -ne 0 ]] && die "epatch_user takes no options"
		581
		582	# Allow multiple calls to this function; ignore all but the first
		583	local applied="${T}/epatch_user.log"
		584	[[ -e ${applied} ]] && return 2
		585
		586	# don't clobber any EPATCH vars that the parent might want
		587	local EPATCH_SOURCE check base=${PORTAGE_CONFIGROOT%/}/etc/portage/patches
		588	for check in ${CATEGORY}/{${P}-${PR},${P},${PN}}; do
		589	EPATCH_SOURCE=${base}/${CTARGET}/${check}
		590	[[ -r ${EPATCH_SOURCE} ]] \|\| EPATCH_SOURCE=${base}/${CHOST}/${check}
		591	[[ -r ${EPATCH_SOURCE} ]] \|\| EPATCH_SOURCE=${base}/${check}
		592	if [[ -d ${EPATCH_SOURCE} ]] ; then
		593	EPATCH_SOURCE=${EPATCH_SOURCE} \
		594	EPATCH_SUFFIX="patch" \
		595	EPATCH_FORCE="yes" \
		596	EPATCH_MULTI_MSG="Applying user patches from ${EPATCH_SOURCE} ..." \
		597	epatch
		598	echo "${EPATCH_SOURCE}" > "${applied}"
		599	return 0
		600	fi
		601	done
		602	echo "none" > "${applied}"
		603	return 1
		604	}
		605
		606	# @FUNCTION: emktemp
		607	# @USAGE: [temp dir]
		608	# @DESCRIPTION:
		609	# Cheap replacement for when debianutils (and thus mktemp)
		610	# does not exist on the users system.
		611	emktemp() {
		612	local exe="touch"
		613	[[ $1 == -d ]] && exe="mkdir" && shift
		614	local topdir=$1
		615
		616	if [[ -z ${topdir} ]] ; then
		617	[[ -z ${T} ]] \
		618	&& topdir="/tmp" \
		619	\|\| topdir=${T}
		620	fi
		621
		622	if ! type -P mktemp > /dev/null ; then
		623	# system lacks `mktemp` so we have to fake it
		624	local tmp=/
		625	while [[ -e ${tmp} ]] ; do
		626	tmp=${topdir}/tmp.${RANDOM}.${RANDOM}.${RANDOM}
		627	done
		628	${exe} "${tmp}" \|\| ${exe} -p "${tmp}"
		629	echo "${tmp}"
169	else	630	else
170	if [ ! -d ${EPATCH_SOURCE} ]	631	# the args here will give slightly wierd names on BSD,
171	then	632	# but should produce a usable file on all userlands
172	if [ -n "$1" -a "${EPATCH_SOURCE}" = "${WORKDIR}/patch" ]	633	if [[ ${exe} == "touch" ]] ; then
173	then	634	TMPDIR="${topdir}" mktemp -t tmp.XXXXXXXXXX
174	EPATCH_SOURCE="$1"
175	fi
176
177	echo
178	eerror "Cannot find \$EPATCH_SOURCE! Value for \$EPATCH_SOURCE is:"
179	eerror
180	eerror " ${EPATCH_SOURCE}"
181	echo
182	die "Cannot find \$EPATCH_SOURCE!"
183	fi
184
185	local EPATCH_SOURCE="${EPATCH_SOURCE}/*.${EPATCH_SUFFIX}"
186	fi
187
188	case ${EPATCH_SUFFIX##*\.} in
189	bz2)
190	PIPE_CMD="bzip2 -dc"
191	PATCH_SUFFIX="bz2"
192	;;
193	gz\|Z\|z)
194	PIPE_CMD="gzip -dc"
195	PATCH_SUFFIX="gz"
196	;;
197	ZIP\|zip)
198	PIPE_CMD="unzip -p"
199	PATCH_SUFFIX="zip"
200	;;
201	*)
202	PIPE_CMD="cat"
203	PATCH_SUFFIX="patch"
204	;;
205	esac
206
207	if [ "${SINGLE_PATCH}" = "no" ]
208	then
209	einfo "Applying various patches (bugfixes/updates)..."
210	fi
211	for x in ${EPATCH_SOURCE}
212	do
213	# New ARCH dependant patch naming scheme...
214	#
215	# ???_arch_foo.patch
216	#
217	if [ -f ${x} ] && \
218	([ "${SINGLE_PATCH}" = "yes" -o "${x/_all_}" != "${x}" -o "`eval echo \$\{x/_${ARCH}_\}`" != "${x}" ] \|\| \
219	[ "${EPATCH_FORCE}" = "yes" ])
220	then
221	local count=0
222	local popts="${EPATCH_OPTS}"
223
224	if [ -n "${EPATCH_EXCLUDE}" ]
225	then
226	if [ "`eval echo \$\{EPATCH_EXCLUDE/${x##*/}\}`" != "${EPATCH_EXCLUDE}" ]
227	then
228	continue
229	fi
230	fi
231
232	if [ "${SINGLE_PATCH}" = "yes" ]
233	then
234	if [ -n "${EPATCH_SINGLE_MSG}" ]
235	then
236	einfo "${EPATCH_SINGLE_MSG}"
237	else
238	einfo "Applying ${x##*/}..."
239	fi
240	else
241	einfo " ${x##*/}..."
242	fi
243
244	echo "***** ${x##/} ***" > ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##/}
245	echo >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}
246
247	# Allow for prefix to differ ... im lazy, so shoot me :/
248	while [ "${count}" -lt 5 ]
249	do
250	# Generate some useful debug info ...
251	draw_line "***** ${x##/} ***" >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##/}
252	echo >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}
253
254	if [ "${PATCH_SUFFIX}" != "patch" ]
255	then
256	echo -n "PIPE_COMMAND: " >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}
257	echo "${PIPE_CMD} ${x} > ${PATCH_TARGET}" >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}
258	else
259	PATCH_TARGET="${x}"
260	fi
261
262	echo -n "PATCH COMMAND: " >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}
263	echo "patch ${popts} -p${count} < ${PATCH_TARGET}" >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}
264
265	echo >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}
266	draw_line "***** ${x##/} ***" >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##/}
267
268	if [ "${PATCH_SUFFIX}" != "patch" ]
269	then
270	if ! (${PIPE_CMD} ${x} > ${PATCH_TARGET}) >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/} 2>&1
271	then
272	echo
273	eerror "Could not extract patch!"
274	#die "Could not extract patch!"
275	count=5
276	break
277	fi
278	fi
279
280	if (cat ${PATCH_TARGET} \| patch ${popts} --dry-run -f -p${count}) >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/} 2>&1
281	then
282	draw_line "***** ${x##/} ***" > ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##/}.real
283	echo >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}.real
284	echo "ACTUALLY APPLYING ${x##/}..." >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##/}.real
285	echo >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}.real
286	draw_line "***** ${x##/} ***" >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##/}.real
287
288	cat ${PATCH_TARGET} \| patch ${popts} -p${count} >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}.real 2>&1
289
290	if [ "$?" -ne 0 ]
291	then
292	cat ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##/}.real >> ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##/}
293	echo
294	eerror "A dry-run of patch command succeeded, but actually"
295	eerror "applying the patch failed!"
296	#die "Real world sux compared to the dreamworld!"
297	count=5
298	fi
299
300	rm -f ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}.real
301
302	break
303	fi
304
305	count=$((count + 1))
306	done
307
308	if [ "${PATCH_SUFFIX}" != "patch" ]
309	then
310	rm -f ${PATCH_TARGET}
311	fi
312
313	if [ "${count}" -eq 5 ]
314	then
315	echo
316	eerror "Failed Patch: ${x##*/}!"
317	eerror
318	eerror "Include in your bugreport the contents of:"
319	eerror
320	eerror " ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}"
321	echo
322	die "Failed Patch: ${x##*/}!"
323	fi
324
325	rm -f ${STDERR_TARGET%/}/${x##/}-${STDERR_TARGET##*/}
326
327	eend 0
328	fi
329	done
330	if [ "${SINGLE_PATCH}" = "no" ]
331	then
332	einfo "Done with patching"
333	fi
334	}
335
336	# This function return true if we are using the NPTL pthreads
337	# implementation.
338	#
339	# <azarah@gentoo.org> (06 March 2003)
340	#
341
342	have_NPTL() {
343
344	cat > ${T}/test-nptl.c <<-"END"
345	#define _XOPEN_SOURCE
346	#include <unistd.h>
347	#include <stdio.h>
348
349	int main()
350	{
351	char buf[255];
352	char *str = buf;
353
354	confstr(_CS_GNU_LIBPTHREAD_VERSION, str, 255);
355	if (NULL != str) {
356	printf("%s\n", str);
357	if (NULL != strstr(str, "NPTL"))
358	return 0;
359	}
360
361	return 1;
362	}
363	END
364
365	einfon "Checking for _CS_GNU_LIBPTHREAD_VERSION support in glibc ... "
366	if gcc -o ${T}/nptl ${T}/test-nptl.c &> /dev/null
367	then
368	echo "yes"
369	einfon "Checking what PTHREADS implementation we have ... "
370	if ${T}/nptl
371	then
372	return 0
373	else	635	else
374	return 1	636	TMPDIR="${topdir}" mktemp -dt tmp.XXXXXXXXXX
375	fi
376	else
377	echo "no"
378	fi
379
380	return 1
381	}
382
383	# This function check how many cpu's are present, and then set
384	# -j in MAKEOPTS accordingly.
385	#
386	# Thanks to nall <nall@gentoo.org> for this.
387	#
388	get_number_of_jobs() {
389	local jobs=0
390
391	if [ ! -r /proc/cpuinfo ]
392	then
393	return 1
394	fi
395
396	# This bit is from H?kan Wessberg <nacka-gentoo@refug.org>, bug #13565.
397	if [ "`egrep "^[[:space:]]*MAKEOPTS=" /etc/make.conf \| wc -l`" -gt 0 ]
398	then
399	ADMINOPTS="`egrep "^[[:space:]]*MAKEOPTS=" /etc/make.conf \| cut -d= -f2 \| sed 's/\"//g'`"
400	ADMINPARAM="`echo ${ADMINOPTS} \| gawk '{match($0, /-j [0-9]/, opt); print opt[0]}'`"
401	ADMINPARAM="${ADMINPARAM/-j}"
402	fi
403
404	export MAKEOPTS="`echo ${MAKEOPTS} \| sed -e 's:-j [0-9]::g'`"
405
406	if [ "${ARCH}" = "amd64" -o "${ARCH}" = "x86" -o "${ARCH}" = "hppa" -o \
407	"${ARCH}" = "arm" -o "${ARCH}" = "mips" -o "${ARCH}" = "ia64" ]
408	then
409	# these archs will always have "[Pp]rocessor"
410	jobs="$((`grep -c ^[Pp]rocessor /proc/cpuinfo` * 2))"
411
412	elif [ "${ARCH}" = "sparc" -o "${ARCH}" = "sparc64" ]
413	then
414	# sparc always has "ncpus active"
415	jobs="$((`grep "^ncpus active" /proc/cpuinfo \| sed -e "s/^.: //"` 2))"
416
417	elif [ "${ARCH}" = "alpha" ]
418	then
419	# alpha has "cpus active", but only when compiled with SMP
420	if [ "`grep -c "^cpus active" /proc/cpuinfo`" -eq 1 ]
421	then
422	jobs="$((`grep "^cpus active" /proc/cpuinfo \| sed -e "s/^.: //"` 2))"
423	else
424	jobs=2
425	fi
426
427	elif [ "${ARCH}" = "ppc" ]
428	then
429	# ppc has "processor", but only when compiled with SMP
430	if [ "`grep -c "^processor" /proc/cpuinfo`" -eq 1 ]
431	then
432	jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
433	else
434	jobs=2
435	fi
436	else
437	jobs="$((`grep -c ^cpu /proc/cpuinfo` * 2))"
438	die "Unknown ARCH -- ${ARCH}!"
439	fi
440
441	# Make sure the number is valid ...
442	if [ "${jobs}" -lt 1 ]
443	then
444	jobs=1
445	fi
446
447	if [ -n "${ADMINPARAM}" ]
448	then
449	if [ "${jobs}" -gt "${ADMINPARAM}" ]
450	then
451	einfo "Setting make jobs to \"-j${ADMINPARAM}\" to ensure successful merge..."
452	export MAKEOPTS="${MAKEOPTS} -j${ADMINPARAM}"
453	else
454	einfo "Setting make jobs to \"-j${jobs}\" to ensure successful merge..."
455	export MAKEOPTS="${MAKEOPTS} -j${jobs}"
456	fi
457	fi
458	}
459
460	# Cheap replacement for when debianutils (and thus mktemp)
461	# do not exist on the users system
462	# vapier@gentoo.org
463	#
464	# Takes just 1 parameter (the directory to create tmpfile in)
465	mymktemp() {
466	local topdir="$1"
467
468	[ -z "${topdir}" ] && topdir=/tmp
469	if [ "`which mktemp 2>/dev/null`" ]
470	then
471	mktemp -p ${topdir}
472	else
473	local tmp="${topdir}/tmp.${RANDOM}.${RANDOM}.${RANDOM}"
474	touch ${tmp}
475	echo ${tmp}
476	fi
477	}
478
479	# Simplify/standardize adding users to the system
480	# vapier@gentoo.org
481	#
482	# enewuser(username, uid, shell, homedir, groups, extra options)
483	#
484	# Default values if you do not specify any:
485	# username: REQUIRED !
486	# uid: next available (see useradd(8))
487	# note: pass -1 to get default behavior
488	# shell: /bin/false
489	# homedir: /dev/null
490	# groups: none
491	# extra: comment of 'added by portage for ${PN}'
492	enewuser() {
493	# get the username
494	local euser="$1"; shift
495	if [ -z "${euser}" ]
496	then
497	eerror "No username specified !"
498	die "Cannot call enewuser without a username"
499	fi
500
501	# setup a file for testing usernames/groups
502	local tmpfile="`mymktemp ${T}`"
503	chown ${euser} ${tmpfile} >& /dev/null
504	local realuser="`ls -l ${tmpfile} \| awk '{print $3}'`"
505
506	# see if user already exists
507	if [ "${euser}" == "${realuser}" ]
508	then
509	return 0
510	fi
511	einfo "Adding user '${euser}' to your system ..."
512
513	# options to pass to useradd
514	local opts=
515
516	# handle uid
517	local euid="$1"; shift
518	if [ ! -z "${euid}" ] && [ "${euid}" != "-1" ]
519	then
520	if [ "${euid}" -gt 0 ]
521	then
522	opts="${opts} -u ${euid}"
523	else
524	eerror "Userid given but is not greater than 0 !"
525	die "${euid} is not a valid UID"
526	fi
527	else
528	euid="next available"
529	fi
530	einfo " - Userid: ${euid}"
531
532	# handle shell
533	local eshell="$1"; shift
534	if [ ! -z "${eshell}" ] && [ "${eshell}" != "-1" ]
535	then
536	if [ ! -e "${eshell}" ]
537	then
538	eerror "A shell was specified but it does not exist !"
539	die "${eshell} does not exist"
540	fi
541	else
542	eshell="/bin/false"
543	fi
544	einfo " - Shell: ${eshell}"
545	opts="${opts} -s ${eshell}"
546
547	# handle homedir
548	local ehome="$1"; shift
549	if [ -z "${ehome}" ] && [ "${eshell}" != "-1" ]
550	then
551	ehome="/dev/null"
552	fi
553	einfo " - Home: ${ehome}"
554	opts="${opts} -d ${ehome}"
555
556	# handle groups
557	local egroups="$1"; shift
558	if [ ! -z "${egroups}" ]
559	then
560	local realgroup=
561	local oldifs="${IFS}"
562	export IFS=","
563	for g in ${egroups}
564	do
565	chgrp ${g} ${tmpfile} >& /dev/null
566	realgroup="`ls -l ${tmpfile} \| awk '{print $4}'`"
567	if [ "${g}" != "${realgroup}" ]
568	then
569	eerror "You must add ${g} to the system first"
570	die "${g} is not a valid GID"
571	fi	637	fi
572	done
573	export IFS="${oldifs}"
574	opts="${opts} -g ${egroups}"
575	else
576	egroups="(none)"
577	fi
578	einfo " - Groups: ${egroups}"
579
580	# handle extra and add the user
581	local eextra="$@"
582	local oldsandbox="${SANDBOX_ON}"
583	export SANDBOX_ON="0"
584	if [ -z "${eextra}" ]
585	then
586	useradd ${opts} ${euser} \
587	-c "added by portage for ${PN}" \
588	\|\| die "enewuser failed"
589	else
590	einfo " - Extra: ${eextra}"
591	useradd ${opts} ${euser} ${eextra} \
592	\|\| die "enewuser failed"
593	fi
594	export SANDBOX_ON="${oldsandbox}"
595
596	if [ ! -e "${ehome}" ] && [ ! -e "${D}/${ehome}" ]
597	then
598	einfo " - Creating ${ehome} in ${D}"
599	dodir ${ehome}
600	fowners ${euser} ${ehome}
601	fperms 755 ${ehome}
602	fi
603	}
604
605	# Simplify/standardize adding groups to the system
606	# vapier@gentoo.org
607	#
608	# enewgroup(group, gid)
609	#
610	# Default values if you do not specify any:
611	# groupname: REQUIRED !
612	# gid: next available (see groupadd(8))
613	# extra: none
614	enewgroup() {
615	# get the group
616	local egroup="$1"; shift
617	if [ -z "${egroup}" ]
618	then
619	eerror "No group specified !"
620	die "Cannot call enewgroup without a group"
621	fi
622
623	# setup a file for testing groupname
624	local tmpfile="`mymktemp ${T}`"
625	chgrp ${egroup} ${tmpfile} >& /dev/null
626	local realgroup="`ls -l ${tmpfile} \| awk '{print $4}'`"
627
628	# see if group already exists
629	if [ "${egroup}" == "${realgroup}" ]
630	then
631	return 0
632	fi
633	einfo "Adding group '${egroup}' to your system ..."
634
635	# options to pass to useradd
636	local opts=
637
638	# handle gid
639	local egid="$1"; shift
640	if [ ! -z "${egid}" ]
641	then
642	if [ "${egid}" -gt 0 ]
643	then
644	opts="${opts} -g ${egid}"
645	else
646	eerror "Groupid given but is not greater than 0 !"
647	die "${egid} is not a valid GID"
648	fi	638	fi
649	else
650	egid="next available"
651	fi
652	einfo " - Groupid: ${egid}"
653
654	# handle extra
655	local eextra="$@"
656	opts="${opts} ${eextra}"
657
658	# add the group
659	local oldsandbox="${SANDBOX_ON}"
660	export SANDBOX_ON="0"
661	groupadd ${opts} ${egroup} \|\| die "enewgroup failed"
662	export SANDBOX_ON="${oldsandbox}"
663	}	639	}
664		640
665	# Simple script to replace 'dos2unix' binaries	641	# @FUNCTION: edos2unix
666	# vapier@gentoo.org	642	# @USAGE: <file> [more files ...]
667	#	643	# @DESCRIPTION:
668	# edos2unix(file, <more files>...)	644	# A handy replacement for dos2unix, recode, fixdos, etc... This allows you
		645	# to remove all of these text utilities from DEPEND variables because this
		646	# is a script based solution. Just give it a list of files to convert and
		647	# they will all be changed from the DOS CRLF format to the UNIX LF format.
669	edos2unix() {	648	edos2unix() {
670	for f in "$@"	649	[[ $# -eq 0 ]] && return 0
671	do	650	sed -i 's/\r$//' -- "$@" \|\| die
672	cp "${f}" ${T}/edos2unix
673	sed 's/\r$//' ${T}/edos2unix > "${f}"
674	done
675	}	651	}
676		652
		653	# @FUNCTION: make_desktop_entry
		654	# @USAGE: make_desktop_entry(<command>, [name], [icon], [type], [fields])
		655	# @DESCRIPTION:
677	# Make a desktop file !	656	# Make a .desktop file.
678	# Great for making those icons in kde/gnome startmenu !
679	# Amaze your friends ! Get the women ! Join today !
680	# gnome2 /usr/share/applications
681	# gnome1 /usr/share/gnome/apps/
682	# KDE ${KDEDIR}/share/applnk /usr/share/applnk
683	#	657	#
684	# make_desktop_entry(<binary>, [name], [icon], [type], [path])	658	# @CODE
685	#
686	# binary: what binary does the app run with ?	659	# binary: what command does the app run with ?
687	# name: the name that will show up in the menu	660	# name: the name that will show up in the menu
688	# icon: give your little like a pretty little icon ...	661	# icon: give your little like a pretty little icon ...
689	# this can be relative (to /usr/share/pixmaps) or	662	# this can be relative (to /usr/share/pixmaps) or
690	# a full path to an icon	663	# a full path to an icon
691	# type: what kind of application is this ? for categories:	664	# type: what kind of application is this?
692	# http://www.freedesktop.org/standards/menu/draft/menu-spec/menu-spec.html	665	# for categories:
693	# path: if your app needs to startup in a specific dir	666	# http://standards.freedesktop.org/menu-spec/latest/apa.html
		667	# if unset, function tries to guess from package's category
		668	# fields: extra fields to append to the desktop file; a printf string
		669	# @CODE
694	make_desktop_entry() {	670	make_desktop_entry() {
695	[ -z "$1" ] && eerror "You must specify the executable" && return 1	671	[[ -z $1 ]] && die "make_desktop_entry: You must specify the executable"
696		672
697	local exec="${1}"	673	local exec=${1}
698	local name="${2:-${PN}}"	674	local name=${2:-${PN}}
699	local icon="${3:-${PN}.png}"	675	local icon=${3:-${PN}}
700	local type="${4}"	676	local type=${4}
701	local path="${5:-${GAMES_PREFIX}}"	677	local fields=${5}
		678
702	if [ -z "${type}" ]	679	if [[ -z ${type} ]] ; then
703	then	680	local catmaj=${CATEGORY%%-*}
704	case ${CATEGORY} in	681	local catmin=${CATEGORY##*-}
705	"app-emulation")	682	case ${catmaj} in
706	type=Emulator	683	app)
		684	case ${catmin} in
		685	accessibility) type="Utility;Accessibility";;
		686	admin) type=System;;
		687	antivirus) type=System;;
		688	arch) type="Utility;Archiving";;
		689	backup) type="Utility;Archiving";;
		690	cdr) type="AudioVideo;DiscBurning";;
		691	dicts) type="Office;Dictionary";;
		692	doc) type=Documentation;;
		693	editors) type="Utility;TextEditor";;
		694	emacs) type="Development;TextEditor";;
		695	emulation) type="System;Emulator";;
		696	laptop) type="Settings;HardwareSettings";;
		697	office) type=Office;;
		698	pda) type="Office;PDA";;
		699	vim) type="Development;TextEditor";;
		700	xemacs) type="Development;TextEditor";;
		701	esac
707	;;	702	;;
708	"games-"*)	703
709	type=Game	704	dev)
		705	type="Development"
710	;;	706	;;
711	"net-"*)	707
712	type=Network;	708	games)
		709	case ${catmin} in
		710	action\|fps) type=ActionGame;;
		711	arcade) type=ArcadeGame;;
		712	board) type=BoardGame;;
		713	emulation) type=Emulator;;
		714	kids) type=KidsGame;;
		715	puzzle) type=LogicGame;;
		716	roguelike) type=RolePlaying;;
		717	rpg) type=RolePlaying;;
		718	simulation) type=Simulation;;
		719	sports) type=SportsGame;;
		720	strategy) type=StrategyGame;;
		721	esac
		722	type="Game;${type}"
713	;;	723	;;
		724
		725	gnome)
		726	type="Gnome;GTK"
		727	;;
		728
		729	kde)
		730	type="KDE;Qt"
		731	;;
		732
		733	mail)
		734	type="Network;Email"
		735	;;
		736
		737	media)
		738	case ${catmin} in
		739	gfx)
		740	type=Graphics
		741	;;
		742	*)
		743	case ${catmin} in
		744	radio) type=Tuner;;
		745	sound) type=Audio;;
		746	tv) type=TV;;
		747	video) type=Video;;
		748	esac
		749	type="AudioVideo;${type}"
		750	;;
		751	esac
		752	;;
		753
		754	net)
		755	case ${catmin} in
		756	dialup) type=Dialup;;
		757	ftp) type=FileTransfer;;
		758	im) type=InstantMessaging;;
		759	irc) type=IRCClient;;
		760	mail) type=Email;;
		761	news) type=News;;
		762	nntp) type=News;;
		763	p2p) type=FileTransfer;;
		764	voip) type=Telephony;;
		765	esac
		766	type="Network;${type}"
		767	;;
		768
		769	sci)
		770	case ${catmin} in
		771	astro*) type=Astronomy;;
		772	bio*) type=Biology;;
		773	calc*) type=Calculator;;
		774	chem*) type=Chemistry;;
		775	elec*) type=Electronics;;
		776	geo*) type=Geology;;
		777	math*) type=Math;;
		778	physics) type=Physics;;
		779	visual*) type=DataVisualization;;
		780	esac
		781	type="Education;Science;${type}"
		782	;;
		783
		784	sys)
		785	type="System"
		786	;;
		787
		788	www)
		789	case ${catmin} in
		790	client) type=WebBrowser;;
		791	esac
		792	type="Network;${type}"
		793	;;
		794
714	*)	795	*)
715	type=	796	type=
716	;;	797	;;
717	esac	798	esac
718	fi	799	fi
719	local desktop="${T}/${exec}.desktop"	800	if [ "${SLOT}" == "0" ] ; then
		801	local desktop_name="${PN}"
		802	else
		803	local desktop_name="${PN}-${SLOT}"
		804	fi
		805	local desktop="${T}/$(echo ${exec} \| sed 's:[[:space:]/:]:_:g')-${desktop_name}.desktop"
		806	#local desktop=${T}/${exec%% *:-${desktop_name}}.desktop
720		807
		808	# Don't append another ";" when a valid category value is provided.
		809	type=${type%;}${type:+;}
		810
		811	eshopts_push -s extglob
		812	if [[ -n ${icon} && ${icon} != /* ]] && [[ ${icon} == .xpm \|\| ${icon} == .png \|\| ${icon} == *.svg ]]; then
		813	ewarn "As described in the Icon Theme Specification, icon file extensions are not"
		814	ewarn "allowed in .desktop files if the value is not an absolute path."
		815	icon=${icon%.@(xpm\|png\|svg)}
		816	fi
		817	eshopts_pop
		818
		819	cat <<-EOF > "${desktop}"
721	echo "[Desktop Entry]	820	[Desktop Entry]
722	Encoding=UTF-8
723	Version=0.9.2
724	Name=${name}	821	Name=${name}
725	Type=Application	822	Type=Application
726	Comment=${DESCRIPTION}	823	Comment=${DESCRIPTION}
727	Exec=${exec}	824	Exec=${exec}
728	Path=${path}	825	TryExec=${exec%% *}
729	Icon=${icon}	826	Icon=${icon}
730	Categories=Application;${type};" > ${desktop}	827	Categories=${type}
		828	EOF
731		829
732	if [ -d "/usr/share/applications" ]	830	if [[ ${fields:-=} != = ]] ; then
733	then	831	# 5th arg used to be value to Path=
		832	ewarn "make_desktop_entry: update your 5th arg to read Path=${fields}"
		833	fields="Path=${fields}"
		834	fi
		835	[[ -n ${fields} ]] && printf '%b\n' "${fields}" >> "${desktop}"
		836
		837	(
		838	# wrap the env here so that the 'insinto' call
		839	# doesn't corrupt the env of the caller
734	insinto /usr/share/applications	840	insinto /usr/share/applications
735	doins ${desktop}	841	doins "${desktop}"
736	fi	842	) \|\| die "installing desktop file failed"
		843	}
737		844
738	#if [ -d "/usr/share/gnome/apps" ]	845	# @FUNCTION: validate_desktop_entries
739	#then	846	# @USAGE: [directories]
740	# insinto /usr/share/gnome/apps/Games	847	# @MAINTAINER:
741	# doins ${desktop}	848	# Carsten Lohrke <carlo@gentoo.org>
742	#fi	849	# @DESCRIPTION:
743		850	# Validate desktop entries using desktop-file-utils
744	#if [ ! -z "`ls /usr/kde/* 2>/dev/null`" ]	851	validate_desktop_entries() {
745	#then	852	if [[ -x /usr/bin/desktop-file-validate ]] ; then
746	# for ver in /usr/kde/*	853	einfo "Checking desktop entry validity"
747	# do	854	local directories=""
748	# insinto ${ver}/share/applnk/Games	855	for d in /usr/share/applications $@ ; do
749	# doins ${desktop}	856	[[ -d ${D}${d} ]] && directories="${directories} ${D}${d}"
750	# done	857	done
751	#fi	858	if [[ -n ${directories} ]] ; then
752		859	for FILE in $(find ${directories} -name "*\.desktop" \
753	if [ -d "/usr/share/applnk" ]	860	-not -path '.hidden' \| sort -u 2>/dev/null)
754	then
755	insinto /usr/share/applnk/${type}
756	doins ${desktop}
757	fi
758
759	return 0
760	}
761
762	# new convenience patch wrapper function to eventually replace epatch(),
763	# $PATCHES, $PATCHES1, src_unpack:patch, src_unpack:autopatch and
764	# /usr/bin/patch
765	# Features:
766	# - bulk patch handling similar to epatch()'s
767	# - automatic patch level detection like epatch()'s
768	# - automatic patch uncompression like epatch()'s
769	# - doesn't have the --dry-run overhead of epatch() - inspects patchfiles
770	# manually instead
771	# - once I decide it's production-ready, it'll be called from base_src_unpack
772	# to handle $PATCHES to avoid defining src_unpack just to use xpatch
773
774	# accepts zero or more parameters specifying patchfiles and/or patchdirs
775
776	# known issues:
777	# - only supports unified style patches (does anyone _really_ use anything
778	# else?)
779	# - because it doesn't use --dry-run there is a risk of it failing
780	# to find the files to patch, ie detect the patchlevel, properly. It doesn't use
781	# any of the backup heuristics that patch employs to discover a filename.
782	# however, this isn't dangerous because if it works for the developer who's
783	# writing the ebuild, it'll always work for the users, and if it doesn't,
784	# then we'll fix it :-)
785	# - no support as yet for patches applying outside $S (and not directly in $WORKDIR).
786	xpatch() {
787
788	debug-print-function ${FUNCNAME} $*
789
790	local list=
791	local list2=
792	declare -i plevel
793
794	# parse patch sources
795	for x in $*
796	do
797	debug-print "${FUNCNAME}: parsing parameter ${x}"
798	if [ -f "${x}" ]
799	then
800	list="${list} ${x}"
801	elif [ -d "${x}" ]
802	then
803	# handles patchdirs like epatch() for now: no recursion.
804	# patches are sorted by filename, so with an xy_foo naming scheme you'll get the right order.
805	# only patches with _$ARCH_ or _all_ in their filenames are applied.
806	for file in `ls -A ${x}`
807	do	861	do
808	debug-print "${FUNCNAME}: parsing in subdir: file ${file}"	862	local temp=$(desktop-file-validate ${FILE} \| grep -v "warning:" \| \
809	if [ -f "${x}/${file}" -a "${file}" != "${file/_all_}" -o \	863	sed -e "s\|error: \|\|" -e "s\|${FILE}:\|--\|g" )
810	"${file}" != "${file/_$ARCH_}" ]	864	[[ -n $temp ]] && elog ${temp/--/${FILE/${D}/}:}
811	then	865	done
812	list2="${list2} ${x}/${file}"	866	fi
		867	echo ""
		868	else
		869	einfo "Passing desktop entry validity check. Install dev-util/desktop-file-utils, if you want to help to improve Gentoo."
		870	fi
		871	}
		872
		873	# @FUNCTION: make_session_desktop
		874	# @USAGE: <title> <command> [command args...]
		875	# @DESCRIPTION:
		876	# Make a GDM/KDM Session file. The title is the file to execute to start the
		877	# Window Manager. The command is the name of the Window Manager.
		878	#
		879	# You can set the name of the file via the ${wm} variable.
		880	make_session_desktop() {
		881	[[ -z $1 ]] && eerror "$0: You must specify the title" && return 1
		882	[[ -z $2 ]] && eerror "$0: You must specify the command" && return 1
		883
		884	local title=$1
		885	local command=$2
		886	local desktop=${T}/${wm:-${PN}}.desktop
		887	shift 2
		888
		889	cat <<-EOF > "${desktop}"
		890	[Desktop Entry]
		891	Name=${title}
		892	Comment=This session logs you into ${title}
		893	Exec=${command} $*
		894	TryExec=${command}
		895	Type=XSession
		896	EOF
		897
		898	(
		899	# wrap the env here so that the 'insinto' call
		900	# doesn't corrupt the env of the caller
		901	insinto /usr/share/xsessions
		902	doins "${desktop}"
		903	)
		904	}
		905
		906	# @FUNCTION: domenu
		907	# @USAGE: <menus>
		908	# @DESCRIPTION:
		909	# Install the list of .desktop menu files into the appropriate directory
		910	# (/usr/share/applications).
		911	domenu() {
		912	(
		913	# wrap the env here so that the 'insinto' call
		914	# doesn't corrupt the env of the caller
		915	local i j ret=0
		916	insinto /usr/share/applications
		917	for i in "$@" ; do
		918	if [[ -f ${i} ]] ; then
		919	doins "${i}"
		920	((ret+=$?))
		921	elif [[ -d ${i} ]] ; then
		922	for j in "${i}"/*.desktop ; do
		923	doins "${j}"
		924	((ret+=$?))
		925	done
		926	else
		927	((++ret))
		928	fi
		929	done
		930	exit ${ret}
		931	)
		932	}
		933
		934	# @FUNCTION: newmenu
		935	# @USAGE: <menu> <newname>
		936	# @DESCRIPTION:
		937	# Like all other new* functions, install the specified menu as newname.
		938	newmenu() {
		939	(
		940	# wrap the env here so that the 'insinto' call
		941	# doesn't corrupt the env of the caller
		942	insinto /usr/share/applications
		943	newins "$@"
		944	)
		945	}
		946
		947	# @FUNCTION: _iconins
		948	# @INTERNAL
		949	# @DESCRIPTION:
		950	# function for use in doicon and newicon
		951	_iconins() {
		952	(
		953	# wrap the env here so that the 'insinto' call
		954	# doesn't corrupt the env of the caller
		955	local funcname=$1; shift
		956	local size dir
		957	local context=apps
		958	local theme=hicolor
		959
		960	while [[ $# -gt 0 ]] ; do
		961	case $1 in
		962	-s\|--size)
		963	if [[ ${2%%x}x${2%%x} == "$2" ]] ; then
		964	size=${2%%x*}
		965	else
		966	size=${2}
		967	fi
		968	case ${size} in
		969	16\|22\|24\|32\|36\|48\|64\|72\|96\|128\|192\|256)
		970	size=${size}x${size};;
		971	scalable)
		972	;;
		973	*)
		974	eerror "${size} is an unsupported icon size!"
		975	exit 1;;
		976	esac
		977	shift 2;;
		978	-t\|--theme)
		979	theme=${2}
		980	shift 2;;
		981	-c\|--context)
		982	context=${2}
		983	shift 2;;
		984	*)
		985	if [[ -z ${size} ]] ; then
		986	insinto /usr/share/pixmaps
		987	else
		988	insinto /usr/share/icons/${theme}/${size}/${context}
		989	fi
		990
		991	if [[ ${funcname} == doicon ]] ; then
		992	if [[ -f $1 ]] ; then
		993	doins "${1}"
		994	elif [[ -d $1 ]] ; then
		995	shopt -s nullglob
		996	doins "${1}"/*.{png,svg}
		997	shopt -u nullglob
		998	else
		999	eerror "${1} is not a valid file/directory!"
		1000	exit 1
		1001	fi
		1002	else
		1003	break
		1004	fi
		1005	shift 1;;
		1006	esac
		1007	done
		1008	if [[ ${funcname} == newicon ]] ; then
		1009	newins "$@"
		1010	fi
		1011	) \|\| die
		1012	}
		1013
		1014	# @FUNCTION: doicon
		1015	# @USAGE: [options] <icons>
		1016	# @DESCRIPTION:
		1017	# Install icon into the icon directory /usr/share/icons or into
		1018	# /usr/share/pixmaps if "--size" is not set.
		1019	# This is useful in conjunction with creating desktop/menu files.
		1020	#
		1021	# @CODE
		1022	# options:
		1023	# -s, --size
		1024	# !!! must specify to install into /usr/share/icons/... !!!
		1025	# size of the icon, like 48 or 48x48
		1026	# supported icon sizes are:
		1027	# 16 22 24 32 36 48 64 72 96 128 192 256 scalable
		1028	# -c, --context
		1029	# defaults to "apps"
		1030	# -t, --theme
		1031	# defaults to "hicolor"
		1032	#
		1033	# icons: list of icons
		1034	#
		1035	# example 1: doicon foobar.png fuqbar.svg suckbar.png
		1036	# results in: insinto /usr/share/pixmaps
		1037	# doins foobar.png fuqbar.svg suckbar.png
		1038	#
		1039	# example 2: doicon -s 48 foobar.png fuqbar.png blobbar.png
		1040	# results in: insinto /usr/share/icons/hicolor/48x48/apps
		1041	# doins foobar.png fuqbar.png blobbar.png
		1042	# @CODE
		1043	doicon() {
		1044	_iconins ${FUNCNAME} "$@"
		1045	}
		1046
		1047	# @FUNCTION: newicon
		1048	# @USAGE: [options] <icon> <newname>
		1049	# @DESCRIPTION:
		1050	# Like doicon, install the specified icon as newname.
		1051	#
		1052	# @CODE
		1053	# example 1: newicon foobar.png NEWNAME.png
		1054	# results in: insinto /usr/share/pixmaps
		1055	# newins foobar.png NEWNAME.png
		1056	#
		1057	# example 2: newicon -s 48 foobar.png NEWNAME.png
		1058	# results in: insinto /usr/share/icons/hicolor/48x48/apps
		1059	# newins foobar.png NEWNAME.png
		1060	# @CODE
		1061	newicon() {
		1062	_iconins ${FUNCNAME} "$@"
		1063	}
		1064
		1065	# @FUNCTION: strip-linguas
		1066	# @USAGE: [<allow LINGUAS>\|<-i\|-u> <directories of .po files>]
		1067	# @DESCRIPTION:
		1068	# Make sure that LINGUAS only contains languages that
		1069	# a package can support. The first form allows you to
		1070	# specify a list of LINGUAS. The -i builds a list of po
		1071	# files found in all the directories and uses the
		1072	# intersection of the lists. The -u builds a list of po
		1073	# files found in all the directories and uses the union
		1074	# of the lists.
		1075	strip-linguas() {
		1076	local ls newls nols
		1077	if [[ $1 == "-i" ]] \|\| [[ $1 == "-u" ]] ; then
		1078	local op=$1; shift
		1079	ls=$(find "$1" -name '*.po' -exec basename {} .po ';'); shift
		1080	local d f
		1081	for d in "$@" ; do
		1082	if [[ ${op} == "-u" ]] ; then
		1083	newls=${ls}
		1084	else
		1085	newls=""
		1086	fi
		1087	for f in $(find "$d" -name '*.po' -exec basename {} .po ';') ; do
		1088	if [[ ${op} == "-i" ]] ; then
		1089	has ${f} ${ls} && newls="${newls} ${f}"
		1090	else
		1091	has ${f} ${ls} \|\| newls="${newls} ${f}"
813	fi	1092	fi
814	done	1093	done
815	list="`echo ${list2} \| sort` ${list}"	1094	ls=${newls}
		1095	done
		1096	else
		1097	ls="$@"
		1098	fi
		1099
		1100	nols=""
		1101	newls=""
		1102	for f in ${LINGUAS} ; do
		1103	if has ${f} ${ls} ; then
		1104	newls="${newls} ${f}"
816	else	1105	else
817	die "Couldn't find ${x}"	1106	nols="${nols} ${f}"
818	fi	1107	fi
819	done	1108	done
		1109	[[ -n ${nols} ]] \
		1110	&& einfo "Sorry, but ${PN} does not support the LINGUAS:" ${nols}
		1111	export LINGUAS=${newls:1}
		1112	}
820		1113
821	debug-print "${FUNCNAME}: final list of patches: ${list}"	1114	# @FUNCTION: preserve_old_lib
		1115	# @USAGE: <libs to preserve> [more libs]
		1116	# @DESCRIPTION:
		1117	# These functions are useful when a lib in your package changes ABI SONAME.
		1118	# An example might be from libogg.so.0 to libogg.so.1. Removing libogg.so.0
		1119	# would break packages that link against it. Most people get around this
		1120	# by using the portage SLOT mechanism, but that is not always a relevant
		1121	# solution, so instead you can call this from pkg_preinst. See also the
		1122	# preserve_old_lib_notify function.
		1123	preserve_old_lib() {
		1124	if [[ ${EBUILD_PHASE} != "preinst" ]] ; then
		1125	eerror "preserve_old_lib() must be called from pkg_preinst() only"
		1126	die "Invalid preserve_old_lib() usage"
		1127	fi
		1128	[[ -z $1 ]] && die "Usage: preserve_old_lib <library to preserve> [more libraries to preserve]"
822		1129
823	for x in ${list};	1130	# let portage worry about it
		1131	has preserve-libs ${FEATURES} && return 0
		1132
		1133	local lib dir
		1134	for lib in "$@" ; do
		1135	[[ -e ${ROOT}/${lib} ]] \|\| continue
		1136	dir=${lib%/*}
		1137	dodir ${dir} \|\| die "dodir ${dir} failed"
		1138	cp "${ROOT}"/${lib} "${D}"/${lib} \|\| die "cp ${lib} failed"
		1139	touch "${D}"/${lib}
824	do	1140	done
825	debug-print "${FUNCNAME}: processing ${x}"	1141	}
826	# deal with compressed files. /usr/bin/file is in the system profile, or should be.	1142
827	case "`/usr/bin/file -b ${x}`" in	1143	# @FUNCTION: preserve_old_lib_notify
828	gzip)	1144	# @USAGE: <libs to notify> [more libs]
829	patchfile="${T}/current.patch"	1145	# @DESCRIPTION:
830	ungzip -c "${x}" > "${patchfile}"	1146	# Spit helpful messages about the libraries preserved by preserve_old_lib.
831	;;	1147	preserve_old_lib_notify() {
832	bzip2)	1148	if [[ ${EBUILD_PHASE} != "postinst" ]] ; then
833	patchfile="${T}/current.patch"	1149	eerror "preserve_old_lib_notify() must be called from pkg_postinst() only"
834	bunzip2 -c "${x}" > "${patchfile}"	1150	die "Invalid preserve_old_lib_notify() usage"
835	;;	1151	fi
836	text)	1152
837	patchfile="${x}"	1153	# let portage worry about it
		1154	has preserve-libs ${FEATURES} && return 0
		1155
		1156	local lib notice=0
		1157	for lib in "$@" ; do
		1158	[[ -e ${ROOT}/${lib} ]] \|\| continue
		1159	if [[ ${notice} -eq 0 ]] ; then
		1160	notice=1
		1161	ewarn "Old versions of installed libraries were detected on your system."
		1162	ewarn "In order to avoid breaking packages that depend on these old libs,"
		1163	ewarn "the libraries are not being removed. You need to run revdep-rebuild"
		1164	ewarn "in order to remove these old dependencies. If you do not have this"
		1165	ewarn "helper program, simply emerge the 'gentoolkit' package."
		1166	ewarn
		1167	fi
		1168	ewarn " # revdep-rebuild --library '${lib}' && rm '${lib}'"
		1169	done
		1170	}
		1171
		1172	# @FUNCTION: built_with_use
		1173	# @USAGE: [--hidden] [--missing <action>] [-a\|-o] <DEPEND ATOM> <List of USE flags>
		1174	# @DESCRIPTION:
		1175	#
		1176	# Deprecated: Use EAPI 2 use deps in DEPEND\|RDEPEND and with has_version calls.
		1177	#
		1178	# A temporary hack until portage properly supports DEPENDing on USE
		1179	# flags being enabled in packages. This will check to see if the specified
		1180	# DEPEND atom was built with the specified list of USE flags. The
		1181	# --missing option controls the behavior if called on a package that does
		1182	# not actually support the defined USE flags (aka listed in IUSE).
		1183	# The default is to abort (call die). The -a and -o flags control
		1184	# the requirements of the USE flags. They correspond to "and" and "or"
		1185	# logic. So the -a flag means all listed USE flags must be enabled
		1186	# while the -o flag means at least one of the listed IUSE flags must be
		1187	# enabled. The --hidden option is really for internal use only as it
		1188	# means the USE flag we're checking is hidden expanded, so it won't be found
		1189	# in IUSE like normal USE flags.
		1190	#
		1191	# Remember that this function isn't terribly intelligent so order of optional
		1192	# flags matter.
		1193	built_with_use() {
		1194	local hidden="no"
		1195	if [[ $1 == "--hidden" ]] ; then
		1196	hidden="yes"
		1197	shift
		1198	fi
		1199
		1200	local missing_action="die"
		1201	if [[ $1 == "--missing" ]] ; then
		1202	missing_action=$2
		1203	shift ; shift
		1204	case ${missing_action} in
		1205	true\|false\|die) ;;
		1206	*) die "unknown action '${missing_action}'";;
		1207	esac
		1208	fi
		1209
		1210	local opt=$1
		1211	[[ ${opt:0:1} = "-" ]] && shift \|\| opt="-a"
		1212
		1213	local PKG=$(best_version $1)
		1214	[[ -z ${PKG} ]] && die "Unable to resolve $1 to an installed package"
		1215	shift
		1216
		1217	local USEFILE=${ROOT}/var/db/pkg/${PKG}/USE
		1218	local IUSEFILE=${ROOT}/var/db/pkg/${PKG}/IUSE
		1219
		1220	# if the IUSE file doesn't exist, the read will error out, we need to handle
		1221	# this gracefully
		1222	if [[ ! -e ${USEFILE} ]] \|\| [[ ! -e ${IUSEFILE} && ${hidden} == "no" ]] ; then
		1223	case ${missing_action} in
		1224	true) return 0;;
		1225	false) return 1;;
		1226	die) die "Unable to determine what USE flags $PKG was built with";;
		1227	esac
		1228	fi
		1229
		1230	if [[ ${hidden} == "no" ]] ; then
		1231	local IUSE_BUILT=( $(<"${IUSEFILE}") )
		1232	# Don't check USE_EXPAND #147237
		1233	local expand
		1234	for expand in $(echo ${USE_EXPAND} \| tr '[:upper:]' '[:lower:]') ; do
		1235	if [[ $1 == ${expand}_* ]] ; then
		1236	expand=""
		1237	break
		1238	fi
		1239	done
		1240	if [[ -n ${expand} ]] ; then
		1241	if ! has $1 ${IUSE_BUILT[@]#[-+]} ; then
		1242	case ${missing_action} in
		1243	true) return 0;;
		1244	false) return 1;;
		1245	die) die "$PKG does not actually support the $1 USE flag!";;
		1246	esac
		1247	fi
		1248	fi
		1249	fi
		1250
		1251	local USE_BUILT=$(<${USEFILE})
		1252	while [[ $# -gt 0 ]] ; do
		1253	if [[ ${opt} = "-o" ]] ; then
		1254	has $1 ${USE_BUILT} && return 0
		1255	else
		1256	has $1 ${USE_BUILT} \|\| return 1
		1257	fi
		1258	shift
		1259	done
		1260	[[ ${opt} = "-a" ]]
		1261	}
		1262
		1263	# @FUNCTION: epunt_cxx
		1264	# @USAGE: [dir to scan]
		1265	# @DESCRIPTION:
		1266	# Many configure scripts wrongly bail when a C++ compiler could not be
		1267	# detected. If dir is not specified, then it defaults to ${S}.
		1268	#
		1269	# http://bugs.gentoo.org/73450
		1270	epunt_cxx() {
		1271	local dir=$1
		1272	[[ -z ${dir} ]] && dir=${S}
		1273	ebegin "Removing useless C++ checks"
		1274	local f
		1275	find "${dir}" -name configure \| while read f ; do
		1276	patch --no-backup-if-mismatch -p0 "${f}" "${PORTDIR}/eclass/ELT-patches/nocxx/nocxx.patch" > /dev/null
		1277	done
		1278	eend 0
		1279	}
		1280
		1281	# @FUNCTION: make_wrapper
		1282	# @USAGE: <wrapper> <target> [chdir] [libpaths] [installpath]
		1283	# @DESCRIPTION:
		1284	# Create a shell wrapper script named wrapper in installpath
		1285	# (defaults to the bindir) to execute target (default of wrapper) by
		1286	# first optionally setting LD_LIBRARY_PATH to the colon-delimited
		1287	# libpaths followed by optionally changing directory to chdir.
		1288	make_wrapper() {
		1289	local wrapper=$1 bin=$2 chdir=$3 libdir=$4 path=$5
		1290	local tmpwrapper=$(emktemp)
		1291	# We don't want to quote ${bin} so that people can pass complex
		1292	# things as $bin ... "./someprog --args"
		1293	cat << EOF > "${tmpwrapper}"
		1294	#!/bin/sh
		1295	cd "${chdir:-.}"
		1296	if [ -n "${libdir}" ] ; then
		1297	if [ "\${LD_LIBRARY_PATH+set}" = "set" ] ; then
		1298	export LD_LIBRARY_PATH="\${LD_LIBRARY_PATH}:${libdir}"
		1299	else
		1300	export LD_LIBRARY_PATH="${libdir}"
		1301	fi
		1302	fi
		1303	exec ${bin} "\$@"
		1304	EOF
		1305	chmod go+rx "${tmpwrapper}"
		1306	if [[ -n ${path} ]] ; then
		1307	(
		1308	exeinto "${path}"
		1309	newexe "${tmpwrapper}" "${wrapper}"
		1310	) \|\| die
		1311	else
		1312	newbin "${tmpwrapper}" "${wrapper}" \|\| die
		1313	fi
		1314	}
		1315
		1316	# @FUNCTION: path_exists
		1317	# @USAGE: [-a\|-o] <paths>
		1318	# @DESCRIPTION:
		1319	# Check if the specified paths exist. Works for all types of paths
		1320	# (files/dirs/etc...). The -a and -o flags control the requirements
		1321	# of the paths. They correspond to "and" and "or" logic. So the -a
		1322	# flag means all the paths must exist while the -o flag means at least
		1323	# one of the paths must exist. The default behavior is "and". If no
		1324	# paths are specified, then the return value is "false".
		1325	path_exists() {
		1326	local opt=$1
		1327	[[ ${opt} == -[ao] ]] && shift \|\| opt="-a"
		1328
		1329	# no paths -> return false
		1330	# same behavior as: [[ -e "" ]]
		1331	[[ $# -eq 0 ]] && return 1
		1332
		1333	local p r=0
		1334	for p in "$@" ; do
		1335	[[ -e ${p} ]]
		1336	: $(( r += $? ))
		1337	done
		1338
		1339	case ${opt} in
		1340	-a) return $(( r != 0 )) ;;
		1341	-o) return $(( r == $# )) ;;
		1342	esac
		1343	}
		1344
		1345	# @FUNCTION: in_iuse
		1346	# @USAGE: <flag>
		1347	# @DESCRIPTION:
		1348	# Determines whether the given flag is in IUSE. Strips IUSE default prefixes
		1349	# as necessary.
		1350	#
		1351	# Note that this function should not be used in the global scope.
		1352	in_iuse() {
		1353	debug-print-function ${FUNCNAME} "${@}"
		1354	[[ ${#} -eq 1 ]] \|\| die "Invalid args to ${FUNCNAME}()"
		1355
		1356	local flag=${1}
		1357	local liuse=( ${IUSE} )
		1358
		1359	has "${flag}" "${liuse[@]#[+-]}"
		1360	}
		1361
		1362	# @FUNCTION: use_if_iuse
		1363	# @USAGE: <flag>
		1364	# @DESCRIPTION:
		1365	# Return true if the given flag is in USE and IUSE.
		1366	#
		1367	# Note that this function should not be used in the global scope.
		1368	use_if_iuse() {
		1369	in_iuse $1 \|\| return 1
		1370	use $1
		1371	}
		1372
		1373	# @FUNCTION: usex
		1374	# @USAGE: <USE flag> [true output] [false output] [true suffix] [false suffix]
		1375	# @DESCRIPTION:
		1376	# If USE flag is set, echo [true output][true suffix] (defaults to "yes"),
		1377	# otherwise echo [false output][false suffix] (defaults to "no").
		1378	usex() { use "$1" && echo "${2-yes}$4" \|\| echo "${3-no}$5" ; } #382963
		1379
		1380	# @FUNCTION: prune_libtool_files
		1381	# @USAGE: [--all]
		1382	# @DESCRIPTION:
		1383	# Locate unnecessary libtool files (.la) and libtool static archives
		1384	# (.a) and remove them from installation image.
		1385	#
		1386	# By default, .la files are removed whenever the static linkage can
		1387	# either be performed using pkg-config or doesn't introduce additional
		1388	# flags.
		1389	#
		1390	# If '--all' argument is passed, all .la files are removed. This is
		1391	# usually useful when the package installs plugins and does not use .la
		1392	# files for loading them.
		1393	#
		1394	# The .a files are only removed whenever corresponding .la files state
		1395	# that they should not be linked to, i.e. whenever these files
		1396	# correspond to plugins.
		1397	#
		1398	# Note: if your package installs any .pc files, this function implicitly
		1399	# calls pkg-config. You should add it to your DEPEND in that case.
		1400	prune_libtool_files() {
		1401	debug-print-function ${FUNCNAME} "$@"
		1402
		1403	local removing_all opt
		1404	for opt; do
		1405	case "${opt}" in
		1406	--all)
		1407	removing_all=1
838	;;	1408	;;
839	*)	1409	*)
840	die "Could not determine filetype of patch ${x}"	1410	die "Invalid argument to ${FUNCNAME}(): ${opt}"
841	;;
842	esac	1411	esac
843	debug-print "${FUNCNAME}: patchfile=${patchfile}"	1412	done
844		1413
845	# determine patchlevel. supports p0 and higher with either $S or $WORKDIR as base.	1414	# Create a list of all .pc-covered libs.
846	target="`/bin/grep -m 1 '^+++ ' ${patchfile}`"	1415	local pc_libs=()
847	debug-print "${FUNCNAME}: raw target=${target}"	1416	if [[ ! ${removing_all} ]]; then
848	# strip target down to the path/filename, remove leading +++	1417	local f
849	target="${target/+++ }"; target="${target%% *}"	1418	local tf=${T}/prune-lt-files.pc
850	# duplicate slashes are discarded by patch wrt the patchlevel. therefore we need	1419	local pkgconf=$(tc-getPKG_CONFIG)
851	# to discard them as well to calculate the correct patchlevel.
852	target="${target//\/\//\/}"
853	debug-print "${FUNCNAME}: stripped target=${target}"
854		1420
855	# look for target	1421	while IFS= read -r -d '' f; do # for all .pc files
856	for basedir in "${S}" "${WORKDIR}" "${PWD}"; do	1422	local arg
857	debug-print "${FUNCNAME}: looking in basedir=${basedir}"
858	cd "${basedir}"
859		1423
860	# try stripping leading directories	1424	sed -e '/^Requires:/d' "${f}" > "${tf}"
861	target2="${target}"	1425	for arg in $("${pkgconf}" --libs "${tf}"); do
862	plevel=0	1426	[[ ${arg} == -l* ]] && pc_libs+=( lib${arg#-l}.la )
863	debug-print "${FUNCNAME}: trying target2=${target2}, plevel=${plevel}"
864	while [ ! -f "${target2}" ]
865	do
866	target2="${target2#*/}" # removes piece of target2 upto the first occurence of /
867	plevel=$((plevel+1))
868	debug-print "${FUNCNAME}: trying target2=${target2}, plevel=${plevel}"
869	[ "${target2}" == "${target2/\/}" ] && break
870	done	1427	done
871	test -f "${target2}" && break	1428	done < <(find "${D}" -type f -name '*.pc' -print0)
872		1429
873	# try stripping filename - needed to support patches creating new files	1430	rm -f "${tf}"
874	target2="${target%/*}"
875	plevel=0
876	debug-print "${FUNCNAME}: trying target2=${target2}, plevel=${plevel}"
877	while [ ! -d "${target2}" ]
878	do
879	target2="${target2#*/}" # removes piece of target2 upto the first occurence of /
880	plevel=$((plevel+1))
881	debug-print "${FUNCNAME}: trying target2=${target2}, plevel=${plevel}"
882	[ "${target2}" == "${target2/\/}" ] && break
883	done
884	test -d "${target2}" && break
885
886	done
887
888	test -f "${basedir}/${target2}" \|\| test -d "${basedir}/${target2}" \
889	\|\| die "Could not determine patchlevel for ${x}"
890	debug-print "${FUNCNAME}: determined plevel=${plevel}"
891	# do the patching
892	ebegin "Applying patch ${x##*/}..."
893	/usr/bin/patch -p${plevel} < "${patchfile}" > /dev/null \
894	\|\| die "Failed to apply patch ${x}"
895	eend $?
896
897	done
898
899	}
900
901	# for internal use only (unpack_pdv and unpack_makeself)
902	find_unpackable_file() {
903	local src="$1"
904	if [ -z "${src}" ]
905	then
906	src="${DISTDIR}/${A}"
907	else
908	if [ -e "${DISTDIR}/${src}" ]
909	then
910	src="${DISTDIR}/${src}"
911	elif [ -e "${PWD}/${src}" ]
912	then
913	src="${PWD}/${src}"
914	elif [ -e "${src}" ]
915	then
916	src="${src}"
917	fi	1431	fi
		1432
		1433	local f
		1434	while IFS= read -r -d '' f; do # for all .la files
		1435	local archivefile=${f/%.la/.a}
		1436
		1437	[[ ${f} != ${archivefile} ]] \|\| die 'regex sanity check failed'
		1438
		1439	# Remove static libs we're not supposed to link against.
		1440	if grep -q '^shouldnotlink=yes$' "${f}"; then
		1441	einfo "Removing unnecessary ${archivefile#${D%/}}"
		1442	rm -f "${archivefile}"
		1443
		1444	# The .la file may be used by a module loader, so avoid removing it
		1445	# unless explicitly requested.
		1446	[[ ${removing_all} ]] \|\| continue
918	fi	1447	fi
919	[ ! -e "${src}" ] && die "Could not find requested archive ${src}"
920	echo "${src}"
921	}
922		1448
923	# Unpack those pesky pdv generated files ...	1449	# Remove .la files when:
924	# They're self-unpacking programs with the binary package stuffed in	1450	# - user explicitly wants us to remove all .la files,
925	# the middle of the archive. Valve seems to use it a lot ... too bad	1451	# - respective static archive doesn't exist,
926	# it seems to like to segfault a lot :(. So lets take it apart ourselves.	1452	# - they are covered by a .pc file already,
927	#	1453	# - they don't provide any new information (no libs & no flags).
928	# Usage: unpack_pdv [file to unpack] [size of off_t]	1454	local reason
929	# - you have to specify the off_t size ... i have no idea how to extract that	1455	if [[ ${removing_all} ]]; then
930	# information out of the binary executable myself. basically you pass in	1456	reason='requested'
931	# the size of the off_t type (in bytes) on the machine that built the pdv	1457	elif [[ ! -f ${archivefile} ]]; then
932	# archive. one way to determine this is by running the following commands:	1458	reason='no static archive'
933	# strings <pdv archive> \| grep lseek	1459	elif has "${f##*/}" "${pc_libs[@]}"; then
934	# strace -elseek <pdv archive>	1460	reason='covered by .pc'
935	# basically look for the first lseek command (we do the strings/grep because	1461	elif [[ ! $(sed -nre \
936	# sometimes the function call is _llseek or something) and steal the 2nd	1462	"s/^(dependency_libs\|inherited_linker_flags)='(.*)'$/\2/p" \
937	# parameter. here is an example:	1463	"${f}") ]]; then
938	# root@vapier 0 pdv_unpack # strings hldsupdatetool.bin \| grep lseek	1464	reason='no libs & flags'
939	# lseek
940	# root@vapier 0 pdv_unpack # strace -elseek ./hldsupdatetool.bin
941	# lseek(3, -4, SEEK_END) = 2981250
942	# thus we would pass in the value of '4' as the second parameter.
943	unpack_pdv() {
944	local src="`find_unpackable_file $1`"
945	local sizeoff_t="$2"
946
947	[ -z "${sizeoff_t}" ] && die "No idea what off_t size was used for this pdv :("
948
949	local shrtsrc="`basename ${src}`"
950	echo ">>> Unpacking ${shrtsrc} to ${PWD}"
951	local metaskip=`tail -c ${sizeoff_t} ${src} \| hexdump -e \"%i\"`
952	local tailskip=`tail -c $((${sizeoff_t}*2)) ${src} \| head -c ${sizeoff_t} \| hexdump -e \"%i\"`
953
954	# grab metadata for debug reasons
955	local metafile="`mymktemp ${T}`"
956	tail -c +$((${metaskip}+1)) ${src} > ${metafile}
957
958	# rip out the final file name from the metadata
959	local datafile="`tail -c +$((${metaskip}+1)) ${src} \| strings \| head -n 1`"
960	datafile="`basename ${datafile}`"
961
962	# now lets uncompress/untar the file if need be
963	local tmpfile="`mymktemp ${T}`"
964	tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \| head -c 512 > ${tmpfile}
965
966	local iscompressed="`file -b ${tmpfile}`"
967	if [ "${iscompressed:0:8}" == "compress" ] ; then
968	iscompressed=1
969	mv ${tmpfile}{,.Z}
970	gunzip ${tmpfile}
971	else
972	iscompressed=0
973	fi	1465	fi
974	local istar="`file -b ${tmpfile}`"	1466
975	if [ "${istar:0:9}" == "POSIX tar" ] ; then	1467	if [[ ${reason} ]]; then
976	istar=1	1468	einfo "Removing unnecessary ${f#${D%/}} (${reason})"
977	else	1469	rm -f "${f}"
978	istar=0
979	fi	1470	fi
		1471	done < <(find "${D}" -type f -name '*.la' -print0)
		1472	}
980		1473
981	#for some reason gzip dies with this ... dd cant provide buffer fast enough ?	1474	check_license() { die "you no longer need this as portage supports ACCEPT_LICENSE itself"; }
982	#dd if=${src} ibs=${metaskip} count=1 \	1475
983	# \| dd ibs=${tailskip} skip=1 \
984	# \| gzip -dc \
985	# > ${datafile}
986	if [ ${iscompressed} -eq 1 ] ; then
987	if [ ${istar} -eq 1 ] ; then
988	tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \
989	\| head -c $((${metaskip}-${tailskip})) \
990	\| tar -xzf -
991	else
992	tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \
993	\| head -c $((${metaskip}-${tailskip})) \
994	\| gzip -dc \
995	> ${datafile}
996	fi
997	else
998	if [ ${istar} -eq 1 ] ; then
999	tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \
1000	\| head -c $((${metaskip}-${tailskip})) \
1001	\| tar -xf -
1002	else
1003	tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \
1004	\| head -c $((${metaskip}-${tailskip})) \
1005	> ${datafile}
1006	fi
1007	fi	1476	fi
1008	true
1009	#[ -s "${datafile}" ] \|\| die "failure unpacking pdv ('${metaskip}' '${tailskip}' '${datafile}')"
1010	#assert "failure unpacking pdv ('${metaskip}' '${tailskip}' '${datafile}')"
1011	}
1012
1013	# Unpack those pesky makeself generated files ...
1014	# They're shell scripts with the binary package tagged onto
1015	# the end of the archive. Loki utilized the format as does
1016	# many other game companies.
1017	#
1018	# Usage: unpack_makeself [file to unpack] [offset]
1019	# - If the file is not specified then unpack will utilize ${A}.
1020	# - If the offset is not specified then we will attempt to extract
1021	# the proper offset from the script itself.
1022	unpack_makeself() {
1023	local src="`find_unpackable_file $1`"
1024	local skip="$2"
1025
1026	local shrtsrc="`basename ${src}`"
1027	echo ">>> Unpacking ${shrtsrc} to ${PWD}"
1028	if [ -z "${skip}" ]
1029	then
1030	local ver="`grep -a '#.*Makeself' ${src} \| awk '{print $NF}'`"
1031	local skip=0
1032	case ${ver} in
1033	1.5.*) # tested 1.5.{3,4,5} ... guessing 1.5.x series is same
1034	skip=`grep -a ^skip= ${src} \| cut -d= -f2`
1035	;;
1036	2.0\|2.0.1)
1037	skip=`grep -a ^$'\t'tail ${src} \| awk '{print $2}' \| cut -b2-`
1038	;;
1039	2.1.1)
1040	skip=`grep -a ^offset= ${src} \| awk '{print $2}' \| cut -b2-`
1041	let skip="skip + 1"
1042	;;
1043	2.1.2)
1044	skip=`grep -a ^offset= ${src} \| awk '{print $3}' \| head -n 1`
1045	let skip="skip + 1"
1046	;;
1047	2.1.3)
1048	skip=`grep -a ^offset= ${src} \| awk '{print $3}'`
1049	let skip="skip + 1"
1050	;;
1051	*)
1052	eerror "I'm sorry, but I was unable to support the Makeself file."
1053	eerror "The version I detected was '${ver}'."
1054	eerror "Please file a bug about the file ${shrtsrc} at"
1055	eerror "http://bugs.gentoo.org/ so that support can be added."
1056	die "makeself version '${ver}' not supported"
1057	;;
1058	esac
1059	debug-print "Detected Makeself version ${ver} ... using ${skip} as offset"
1060	fi
1061
1062	# lets grab the first few bytes of the file to figure out what kind of archive it is
1063	local tmpfile="`mymktemp ${T}`"
1064	tail -n +${skip} ${src} 2>/dev/null \| head -c 512 > ${tmpfile}
1065	local filetype="`file -b ${tmpfile}`"
1066	case ${filetype} in
1067	*tar\ archive)
1068	tail -n +${skip} ${src} \| tar -xf -
1069	;;
1070	bzip2*)
1071	tail -n +${skip} ${src} \| bzip2 -dc \| tar -xf -
1072	;;
1073	gzip*)
1074	tail -n +${skip} ${src} \| tar -xzf -
1075	;;
1076	*)
1077	false
1078	;;
1079	esac
1080	assert "failure unpacking (${filetype}) makeself ${shrtsrc} ('${ver}' +${skip})"
1081	}
1082
1083	# Display a license for user to accept.
1084	#
1085	# Usage: check_license [license]
1086	# - If the file is not specified then ${LICENSE} is used.
1087	check_license() {
1088	local lic=$1
1089	if [ -z "${lic}" ] ; then
1090	lic="${PORTDIR}/licenses/${LICENSE}"
1091	else
1092	if [ -e "${PORTDIR}/licenses/${src}" ] ; then
1093	lic="${PORTDIR}/licenses/${src}"
1094	elif [ -e "${PWD}/${src}" ] ; then
1095	lic="${PWD}/${src}"
1096	elif [ -e "${src}" ] ; then
1097	lic="${src}"
1098	fi
1099	fi
1100	[ ! -f "${lic}" ] && die "Could not find requested license ${src}"
1101	local l="`basename ${lic}`"
1102
1103	# here is where we check for the licenses the user already
1104	# accepted ... if we don't find a match, we make the user accept
1105	local alic
1106	for alic in ${ACCEPT_LICENSE} ; do
1107	[ "${alic}" == "*" ] && return 0
1108	[ "${alic}" == "${l}" ] && return 0
1109	done
1110
1111	local licmsg="`mymktemp ${T}`"
1112	cat << EOF > ${licmsg}
1113	**********************************************************
1114	The following license outlines the terms of use of this
1115	package. You MUST accept this license for installation to
1116	continue. When you are done viewing, hit 'q'. If you
1117	CTRL+C out of this, the install will not run!
1118	**********************************************************
1119
1120	EOF
1121	cat ${lic} >> ${licmsg}
1122	${PAGER:-less} ${licmsg} \|\| die "Could not execute pager (${PAGER}) to accept ${lic}"
1123	einfon "Do you accept the terms of this license (${l})? [yes/no] "
1124	read alic
1125	case ${alic} in
1126	yes\|Yes\|y\|Y)
1127	return 0
1128	;;
1129	*)
1130	echo;echo;echo
1131	eerror "You MUST accept the license to continue! Exiting!"
1132	die "Failed to accept license"
1133	;;
1134	esac
1135	}

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