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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 1.35 2003/06/22 05:44:04 drobbins Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.385 2012/03/01 07:00:40 ulm 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
12ECLASS=eutils 5# @ECLASS: eutils.eclass
13INHERITED="$INHERITED $ECLASS" 6# @MAINTAINER:
7# base-system@gentoo.org
8# @BLURB: many extra (but common) functions that are used in ebuilds
9# @DESCRIPTION:
10# The eutils eclass contains a suite of functions that complement
11# the ones that ebuild.sh already contain. The idea is that the functions
12# are not required in all ebuilds but enough utilize them to have a common
13# home rather than having multiple ebuilds implementing the same thing.
14#
15# Due to the nature of this eclass, some functions may have maintainers
16# different from the overall eclass!
14 17
15DEPEND="$DEPEND !bootstrap? ( sys-devel/patch )" 18if [[ ${___ECLASS_ONCE_EUTILS} != "recur -_+^+_- spank" ]] ; then
19___ECLASS_ONCE_EUTILS="recur -_+^+_- spank"
20
21inherit multilib user
16 22
17DESCRIPTION="Based on the ${ECLASS} eclass" 23DESCRIPTION="Based on the ${ECLASS} eclass"
18 24
19# This function generate linker scripts in /usr/lib for dynamic 25if has "${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#
37gen_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, 34epause() {
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. */
50GROUP ( /lib/libxxx )
51END_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
62draw_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.
45ebeep() {
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 57else
84 58
59ebeep() {
60 ewarn "QA Notice: ebeep is not defined in EAPI=${EAPI}, please file a bug at http://bugs.gentoo.org"
61}
62
63epause() {
64 ewarn "QA Notice: epause is not defined in EAPI=${EAPI}, please file a bug at http://bugs.gentoo.org"
65}
66
67fi
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.
75if ! declare -F eqawarn >/dev/null ; then
76 eqawarn() {
77 has qa ${PORTAGE_ELOG_CLASSES} && ewarn "$@"
78 :
79 }
80fi
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.
87ecvs_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.
98esvn_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
117estack_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.
129estack_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
174eshopts_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: $*"
183 fi
86} 184}
87 185
88# Default directory where patches are located 186# @FUNCTION: eshopts_pop
187# @USAGE:
188# @DESCRIPTION:
189# Restore the shell options to the state saved with the corresponding
190# eshopts_push call. See that function for more details.
191eshopts_pop() {
192 local s
193 estack_pop eshopts s || die "${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: ${s}"
199 fi
200}
201
202# @FUNCTION: eumask_push
203# @USAGE: <new umask>
204# @DESCRIPTION:
205# Set the umask to the new value specified while saving the previous
206# value onto a stack. Useful for temporarily changing the umask.
207eumask_push() {
208 estack_push eumask "$(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.
216eumask_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: ${s}"
221}
222
223# @VARIABLE: EPATCH_SOURCE
224# @DESCRIPTION:
225# Default directory to search for patches.
89EPATCH_SOURCE="${WORKDIR}/patch" 226EPATCH_SOURCE="${WORKDIR}/patch"
90# Default extension for patches 227# @VARIABLE: EPATCH_SUFFIX
228# @DESCRIPTION:
229# Default extension for patches (do not prefix the period yourself).
91EPATCH_SUFFIX="patch.bz2" 230EPATCH_SUFFIX="patch.bz2"
231# @VARIABLE: EPATCH_OPTS
232# @DESCRIPTION:
92# Default options for patch 233# Default options for patch:
93EPATCH_OPTS="" 234# @CODE
235# -g0 - keep RCS, ClearCase, Perforce and SCCS happy #24571
236# --no-backup-if-mismatch - do not leave .orig files behind
237# -E - automatically remove empty files
238# @CODE
239EPATCH_OPTS="-g0 -E --no-backup-if-mismatch"
240# @VARIABLE: EPATCH_EXCLUDE
241# @DESCRIPTION:
94# List of patches not to apply. Not this is only file names, 242# List of patches not to apply. Note this is only file names,
95# and not the full path .. 243# and not the full path. Globs accepted.
96EPATCH_EXCLUDE="" 244EPATCH_EXCLUDE=""
245# @VARIABLE: EPATCH_SINGLE_MSG
246# @DESCRIPTION:
97# Change the printed message for a single patch. 247# Change the printed message for a single patch.
98EPATCH_SINGLE_MSG="" 248EPATCH_SINGLE_MSG=""
99# Force applying bulk patches even if not following the style: 249# @VARIABLE: EPATCH_MULTI_MSG
100# 250# @DESCRIPTION:
101# ??_${ARCH}_foo.${EPATCH_SUFFIX} 251# Change the printed message for multiple patches.
102# 252EPATCH_MULTI_MSG="Applying various patches (bugfixes/updates) ..."
253# @VARIABLE: EPATCH_FORCE
254# @DESCRIPTION:
255# Only require patches to match EPATCH_SUFFIX rather than the extended
256# arch naming style.
103EPATCH_FORCE="no" 257EPATCH_FORCE="no"
104 258
105# This function is for bulk patching, or in theory for just one 259# @FUNCTION: epatch
106# or two patches. 260# @USAGE: [patches] [dirs of patches]
261# @DESCRIPTION:
262# epatch is designed to greatly simplify the application of patches. It can
263# process patch files directly, or directories of patches. The patches may be
264# compressed (bzip/gzip/etc...) or plain text. You generally need not specify
265# the -p option as epatch will automatically attempt -p0 to -p5 until things
266# apply successfully.
107# 267#
108# It should work with .bz2, .gz, .zip and plain text patches. 268# If you do not specify any options, then epatch will default to the directory
109# Currently all patches should be the same format. 269# specified by EPATCH_SOURCE.
110# 270#
111# You do not have to specify '-p' option to patch, as it will 271# When processing directories, epatch will apply all patches that match:
112# try with -p0 to -p5 until it succeed, or fail at -p5. 272# @CODE
113# 273# if ${EPATCH_FORCE} != "yes"
114# Above EPATCH_* variables can be used to control various defaults,
115# bug they should be left as is to ensure an ebuild can rely on
116# them for.
117#
118# Patches are applied in current directory.
119#
120# Bulk Patches should preferibly have the form of:
121#
122# ??_${ARCH}_foo.${EPATCH_SUFFIX} 274# ??_${ARCH}_foo.${EPATCH_SUFFIX}
275# else
276# *.${EPATCH_SUFFIX}
277# @CODE
278# The leading ?? are typically numbers used to force consistent patch ordering.
279# The arch field is used to apply patches only for the host architecture with
280# the special value of "all" means apply for everyone. Note that using values
281# other than "all" is highly discouraged -- you should apply patches all the
282# time and let architecture details be detected at configure/compile time.
123# 283#
124# For example: 284# If EPATCH_SUFFIX is empty, then no period before it is implied when searching
285# for patches to apply.
125# 286#
126# 01_all_misc-fix.patch.bz2 287# Refer to the other EPATCH_xxx variables for more customization of behavior.
127# 02_sparc_another-fix.patch.bz2
128#
129# This ensures that there are a set order, and you can have ARCH
130# specific patches.
131#
132# If you however give an argument to epatch(), it will treat it as a
133# single patch that need to be applied if its a file. If on the other
134# hand its a directory, it will set EPATCH_SOURCE to this.
135#
136# <azarah@gentoo.org> (10 Nov 2002)
137#
138epatch() { 288epatch() {
139 local PIPE_CMD="" 289 _epatch_draw_line() {
140 local STDERR_TARGET="${T}/$$.out" 290 # create a line of same length as input string
141 local PATCH_TARGET="${T}/$$.patch" 291 [[ -z $1 ]] && set "$(printf "%65s" '')"
142 local PATCH_SUFFIX="" 292 echo "${1//?/=}"
293 }
294
295 unset P4CONFIG P4PORT P4USER # keep perforce at bay #56402
296
297 # Let the rest of the code process one user arg at a time --
298 # each arg may expand into multiple patches, and each arg may
299 # need to start off with the default global EPATCH_xxx values
300 if [[ $# -gt 1 ]] ; then
301 local m
302 for m in "$@" ; do
303 epatch "${m}"
304 done
305 return 0
306 fi
307
143 local SINGLE_PATCH="no" 308 local SINGLE_PATCH="no"
144 local x="" 309 # no args means process ${EPATCH_SOURCE}
310 [[ $# -eq 0 ]] && set -- "${EPATCH_SOURCE}"
145 311
146 if [ "$#" -gt 1 ] 312 if [[ -f $1 ]] ; then
147 then
148 eerror "Invalid arguments to epatch()"
149 die "Invalid arguments to epatch()"
150 fi
151
152 if [ -n "$1" -a -f "$1" ]
153 then
154 SINGLE_PATCH="yes" 313 SINGLE_PATCH="yes"
155 314 set -- "$1"
156 local EPATCH_SOURCE="$1" 315 # Use the suffix from the single patch (localize it); the code
316 # below will find the suffix for us
157 local EPATCH_SUFFIX="${1##*\.}" 317 local EPATCH_SUFFIX=$1
158 318
159 elif [ -n "$1" -a -d "$1" ] 319 elif [[ -d $1 ]] ; then
160 then 320 # Some people like to make dirs of patches w/out suffixes (vim)
161 # Allow no extension if EPATCH_FORCE=yes ... used by vim for example ... 321 set -- "$1"/*${EPATCH_SUFFIX:+."${EPATCH_SUFFIX}"}
162 if [ "${EPATCH_FORCE}" = "yes" ] && [ -z "${EPATCH_SUFFIX}" ] 322
323 elif [[ -f ${EPATCH_SOURCE}/$1 ]] ; then
324 # Re-use EPATCH_SOURCE as a search dir
325 epatch "${EPATCH_SOURCE}/$1"
326 return $?
327
328 else
329 # sanity check ... if it isn't a dir or file, wtf man ?
330 [[ $# -ne 0 ]] && EPATCH_SOURCE=$1
331 echo
332 eerror "Cannot find \$EPATCH_SOURCE! Value for \$EPATCH_SOURCE is:"
333 eerror
334 eerror " ${EPATCH_SOURCE}"
335 eerror " ( ${EPATCH_SOURCE##*/} )"
336 echo
337 die "Cannot find \$EPATCH_SOURCE!"
338 fi
339
340 local PIPE_CMD
341 case ${EPATCH_SUFFIX##*\.} in
342 xz) PIPE_CMD="xz -dc" ;;
343 lzma) PIPE_CMD="lzma -dc" ;;
344 bz2) PIPE_CMD="bzip2 -dc" ;;
345 gz|Z|z) PIPE_CMD="gzip -dc" ;;
346 ZIP|zip) PIPE_CMD="unzip -p" ;;
347 *) ;;
348 esac
349
350 [[ ${SINGLE_PATCH} == "no" ]] && einfo "${EPATCH_MULTI_MSG}"
351
352 local x
353 for x in "$@" ; do
354 # If the patch dir given contains subdirs, or our EPATCH_SUFFIX
355 # didn't match anything, ignore continue on
356 [[ ! -f ${x} ]] && continue
357
358 local patchname=${x##*/}
359
360 # Apply single patches, or forced sets of patches, or
361 # patches with ARCH dependant names.
362 # ???_arch_foo.patch
363 # Else, skip this input altogether
364 local a=${patchname#*_} # strip the ???_
365 a=${a%%_*} # strip the _foo.patch
366 if ! [[ ${SINGLE_PATCH} == "yes" || \
367 ${EPATCH_FORCE} == "yes" || \
368 ${a} == all || \
369 ${a} == ${ARCH} ]]
163 then 370 then
164 local EPATCH_SOURCE="$1/*" 371 continue
372 fi
373
374 # Let people filter things dynamically
375 if [[ -n ${EPATCH_EXCLUDE} ]] ; then
376 # let people use globs in the exclude
377 eshopts_push -o noglob
378
379 local ex
380 for ex in ${EPATCH_EXCLUDE} ; do
381 if [[ ${patchname} == ${ex} ]] ; then
382 eshopts_pop
383 continue 2
384 fi
385 done
386
387 eshopts_pop
388 fi
389
390 if [[ ${SINGLE_PATCH} == "yes" ]] ; then
391 if [[ -n ${EPATCH_SINGLE_MSG} ]] ; then
392 einfo "${EPATCH_SINGLE_MSG}"
393 else
394 einfo "Applying ${patchname} ..."
395 fi
165 else 396 else
166 local EPATCH_SOURCE="$1/*.${EPATCH_SUFFIX}" 397 einfo " ${patchname} ..."
398 fi
399
400 # most of the time, there will only be one run per unique name,
401 # but if there are more, make sure we get unique log filenames
402 local STDERR_TARGET="${T}/${patchname}.out"
403 if [[ -e ${STDERR_TARGET} ]] ; then
404 STDERR_TARGET="${T}/${patchname}-$$.out"
405 fi
406
407 printf "***** %s *****\nPWD: %s\n\n" "${patchname}" "${PWD}" > "${STDERR_TARGET}"
408
409 # Decompress the patch if need be
410 local count=0
411 local PATCH_TARGET
412 if [[ -n ${PIPE_CMD} ]] ; then
413 PATCH_TARGET="${T}/$$.patch"
414 echo "PIPE_COMMAND: ${PIPE_CMD} ${x} > ${PATCH_TARGET}" >> "${STDERR_TARGET}"
415
416 if ! (${PIPE_CMD} "${x}" > "${PATCH_TARGET}") >> "${STDERR_TARGET}" 2>&1 ; then
417 echo
418 eerror "Could not extract patch!"
419 #die "Could not extract patch!"
420 count=5
421 break
167 fi 422 fi
423 else
424 PATCH_TARGET=${x}
425 fi
426
427 # Check for absolute paths in patches. If sandbox is disabled,
428 # people could (accidently) patch files in the root filesystem.
429 # Or trigger other unpleasantries #237667. So disallow -p0 on
430 # such patches.
431 local abs_paths=$(egrep -n '^[-+]{3} /' "${PATCH_TARGET}" | awk '$2 != "/dev/null" { print }')
432 if [[ -n ${abs_paths} ]] ; then
433 count=1
434 printf "NOTE: skipping -p0 due to absolute paths in patch:\n%s\n" "${abs_paths}" >> "${STDERR_TARGET}"
435 fi
436 # Similar reason, but with relative paths.
437 local rel_paths=$(egrep -n '^[-+]{3} [^ ]*[.][.]/' "${PATCH_TARGET}")
438 if [[ -n ${rel_paths} ]] ; then
439 eqawarn "QA Notice: Your patch uses relative paths '../'."
440 eqawarn " In the future this will cause a failure."
441 eqawarn "${rel_paths}"
442 fi
443
444 # Dynamically detect the correct -p# ... i'm lazy, so shoot me :/
445 local patch_cmd
446 while [[ ${count} -lt 5 ]] ; do
447 patch_cmd="patch -p${count} ${EPATCH_OPTS}"
448
449 # Generate some useful debug info ...
450 (
451 _epatch_draw_line "***** ${patchname} *****"
452 echo
453 echo "PATCH COMMAND: ${patch_cmd} < '${PATCH_TARGET}'"
454 echo
455 _epatch_draw_line "***** ${patchname} *****"
456 ${patch_cmd} --dry-run -f < "${PATCH_TARGET}" 2>&1
457 ret=$?
458 echo
459 echo "patch program exited with status ${ret}"
460 exit ${ret}
461 ) >> "${STDERR_TARGET}"
462
463 if [ $? -eq 0 ] ; then
464 (
465 _epatch_draw_line "***** ${patchname} *****"
466 echo
467 echo "ACTUALLY APPLYING ${patchname} ..."
468 echo
469 _epatch_draw_line "***** ${patchname} *****"
470 ${patch_cmd} < "${PATCH_TARGET}" 2>&1
471 ret=$?
472 echo
473 echo "patch program exited with status ${ret}"
474 exit ${ret}
475 ) >> "${STDERR_TARGET}"
476
477 if [ $? -ne 0 ] ; then
478 echo
479 eerror "A dry-run of patch command succeeded, but actually"
480 eerror "applying the patch failed!"
481 #die "Real world sux compared to the dreamworld!"
482 count=5
483 fi
484 break
485 fi
486
487 : $(( count++ ))
488 done
489
490 # if we had to decompress the patch, delete the temp one
491 if [[ -n ${PIPE_CMD} ]] ; then
492 rm -f "${PATCH_TARGET}"
493 fi
494
495 if [[ ${count} -ge 5 ]] ; then
496 echo
497 eerror "Failed Patch: ${patchname} !"
498 eerror " ( ${PATCH_TARGET} )"
499 eerror
500 eerror "Include in your bugreport the contents of:"
501 eerror
502 eerror " ${STDERR_TARGET}"
503 echo
504 die "Failed Patch: ${patchname}!"
505 fi
506
507 # if everything worked, delete the full debug patch log
508 rm -f "${STDERR_TARGET}"
509
510 # then log away the exact stuff for people to review later
511 cat <<-EOF >> "${T}/epatch.log"
512 PATCH: ${x}
513 CMD: ${patch_cmd}
514 PWD: ${PWD}
515
516 EOF
517 eend 0
518 done
519
520 [[ ${SINGLE_PATCH} == "no" ]] && einfo "Done with patching"
521 : # everything worked
522}
523
524# @FUNCTION: epatch_user
525# @USAGE:
526# @DESCRIPTION:
527# Applies user-provided patches to the source tree. The patches are
528# taken from /etc/portage/patches/<CATEGORY>/<PF|P|PN>/, where the first
529# of these three directories to exist will be the one to use, ignoring
530# any more general directories which might exist as well.
531#
532# User patches are intended for quick testing of patches without ebuild
533# modifications, as well as for permanent customizations a user might
534# desire. Obviously, there can be no official support for arbitrarily
535# patched ebuilds. So whenever a build log in a bug report mentions that
536# user patches were applied, the user should be asked to reproduce the
537# problem without these.
538#
539# Not all ebuilds do call this function, so placing patches in the
540# stated directory might or might not work, depending on the package and
541# the eclasses it inherits and uses. It is safe to call the function
542# repeatedly, so it is always possible to add a call at the ebuild
543# level. The first call is the time when the patches will be
544# applied.
545#
546# Ideally, this function should be called after gentoo-specific patches
547# have been applied, so that their code can be modified as well, but
548# before calls to e.g. eautoreconf, as the user patches might affect
549# autotool input files as well.
550epatch_user() {
551 [[ $# -ne 0 ]] && die "epatch_user takes no options"
552
553 # Allow multiple calls to this function; ignore all but the first
554 local applied="${T}/epatch_user.log"
555 [[ -e ${applied} ]] && return 2
556
557 # don't clobber any EPATCH vars that the parent might want
558 local EPATCH_SOURCE check base=${PORTAGE_CONFIGROOT%/}/etc/portage/patches
559 for check in ${CATEGORY}/{${P}-${PR},${P},${PN}}; do
560 EPATCH_SOURCE=${base}/${CTARGET}/${check}
561 [[ -r ${EPATCH_SOURCE} ]] || EPATCH_SOURCE=${base}/${CHOST}/${check}
562 [[ -r ${EPATCH_SOURCE} ]] || EPATCH_SOURCE=${base}/${check}
563 if [[ -d ${EPATCH_SOURCE} ]] ; then
564 EPATCH_SOURCE=${EPATCH_SOURCE} \
565 EPATCH_SUFFIX="patch" \
566 EPATCH_FORCE="yes" \
567 EPATCH_MULTI_MSG="Applying user patches from ${EPATCH_SOURCE} ..." \
568 epatch
569 echo "${EPATCH_SOURCE}" > "${applied}"
570 return 0
571 fi
572 done
573 echo "none" > "${applied}"
574 return 1
575}
576
577# @FUNCTION: emktemp
578# @USAGE: [temp dir]
579# @DESCRIPTION:
580# Cheap replacement for when debianutils (and thus mktemp)
581# does not exist on the users system.
582emktemp() {
583 local exe="touch"
584 [[ $1 == -d ]] && exe="mkdir" && shift
585 local topdir=$1
586
587 if [[ -z ${topdir} ]] ; then
588 [[ -z ${T} ]] \
589 && topdir="/tmp" \
590 || topdir=${T}
591 fi
592
593 if ! type -P mktemp > /dev/null ; then
594 # system lacks `mktemp` so we have to fake it
595 local tmp=/
596 while [[ -e ${tmp} ]] ; do
597 tmp=${topdir}/tmp.${RANDOM}.${RANDOM}.${RANDOM}
598 done
599 ${exe} "${tmp}" || ${exe} -p "${tmp}"
600 echo "${tmp}"
168 else 601 else
169 if [ ! -d ${EPATCH_SOURCE} ] 602 # the args here will give slightly wierd names on BSD,
170 then 603 # but should produce a usable file on all userlands
171 if [ -n "$1" -a "${EPATCH_SOURCE}" = "${WORKDIR}/patch" ] 604 if [[ ${exe} == "touch" ]] ; then
172 then 605 TMPDIR="${topdir}" mktemp -t tmp.XXXXXXXXXX
173 EPATCH_SOURCE="$1" 606 else
607 TMPDIR="${topdir}" mktemp -dt tmp.XXXXXXXXXX
608 fi
609 fi
610}
611
612# @FUNCTION: edos2unix
613# @USAGE: <file> [more files ...]
614# @DESCRIPTION:
615# A handy replacement for dos2unix, recode, fixdos, etc... This allows you
616# to remove all of these text utilities from DEPEND variables because this
617# is a script based solution. Just give it a list of files to convert and
618# they will all be changed from the DOS CRLF format to the UNIX LF format.
619edos2unix() {
620 [[ $# -eq 0 ]] && return 0
621 sed -i 's/\r$//' -- "$@" || die
622}
623
624# @FUNCTION: make_desktop_entry
625# @USAGE: make_desktop_entry(<command>, [name], [icon], [type], [fields])
626# @DESCRIPTION:
627# Make a .desktop file.
628#
629# @CODE
630# binary: what command does the app run with ?
631# name: the name that will show up in the menu
632# icon: give your little like a pretty little icon ...
633# this can be relative (to /usr/share/pixmaps) or
634# a full path to an icon
635# type: what kind of application is this?
636# for categories:
637# http://standards.freedesktop.org/menu-spec/latest/apa.html
638# if unset, function tries to guess from package's category
639# fields: extra fields to append to the desktop file; a printf string
640# @CODE
641make_desktop_entry() {
642 [[ -z $1 ]] && die "make_desktop_entry: You must specify the executable"
643
644 local exec=${1}
645 local name=${2:-${PN}}
646 local icon=${3:-${PN}}
647 local type=${4}
648 local fields=${5}
649
650 if [[ -z ${type} ]] ; then
651 local catmaj=${CATEGORY%%-*}
652 local catmin=${CATEGORY##*-}
653 case ${catmaj} in
654 app)
655 case ${catmin} in
656 accessibility) type="Utility;Accessibility";;
657 admin) type=System;;
658 antivirus) type=System;;
659 arch) type="Utility;Archiving";;
660 backup) type="Utility;Archiving";;
661 cdr) type="AudioVideo;DiscBurning";;
662 dicts) type="Office;Dictionary";;
663 doc) type=Documentation;;
664 editors) type="Utility;TextEditor";;
665 emacs) type="Development;TextEditor";;
666 emulation) type="System;Emulator";;
667 laptop) type="Settings;HardwareSettings";;
668 office) type=Office;;
669 pda) type="Office;PDA";;
670 vim) type="Development;TextEditor";;
671 xemacs) type="Development;TextEditor";;
672 esac
673 ;;
674
675 dev)
676 type="Development"
677 ;;
678
679 games)
680 case ${catmin} in
681 action|fps) type=ActionGame;;
682 arcade) type=ArcadeGame;;
683 board) type=BoardGame;;
684 emulation) type=Emulator;;
685 kids) type=KidsGame;;
686 puzzle) type=LogicGame;;
687 roguelike) type=RolePlaying;;
688 rpg) type=RolePlaying;;
689 simulation) type=Simulation;;
690 sports) type=SportsGame;;
691 strategy) type=StrategyGame;;
692 esac
693 type="Game;${type}"
694 ;;
695
696 gnome)
697 type="Gnome;GTK"
698 ;;
699
700 kde)
701 type="KDE;Qt"
702 ;;
703
704 mail)
705 type="Network;Email"
706 ;;
707
708 media)
709 case ${catmin} in
710 gfx)
711 type=Graphics
712 ;;
713 *)
714 case ${catmin} in
715 radio) type=Tuner;;
716 sound) type=Audio;;
717 tv) type=TV;;
718 video) type=Video;;
719 esac
720 type="AudioVideo;${type}"
721 ;;
722 esac
723 ;;
724
725 net)
726 case ${catmin} in
727 dialup) type=Dialup;;
728 ftp) type=FileTransfer;;
729 im) type=InstantMessaging;;
730 irc) type=IRCClient;;
731 mail) type=Email;;
732 news) type=News;;
733 nntp) type=News;;
734 p2p) type=FileTransfer;;
735 voip) type=Telephony;;
736 esac
737 type="Network;${type}"
738 ;;
739
740 sci)
741 case ${catmin} in
742 astro*) type=Astronomy;;
743 bio*) type=Biology;;
744 calc*) type=Calculator;;
745 chem*) type=Chemistry;;
746 elec*) type=Electronics;;
747 geo*) type=Geology;;
748 math*) type=Math;;
749 physics) type=Physics;;
750 visual*) type=DataVisualization;;
751 esac
752 type="Education;Science;${type}"
753 ;;
754
755 sys)
756 type="System"
757 ;;
758
759 www)
760 case ${catmin} in
761 client) type=WebBrowser;;
762 esac
763 type="Network;${type}"
764 ;;
765
766 *)
767 type=
768 ;;
769 esac
770 fi
771 if [ "${SLOT}" == "0" ] ; then
772 local desktop_name="${PN}"
773 else
774 local desktop_name="${PN}-${SLOT}"
775 fi
776 local desktop="${T}/$(echo ${exec} | sed 's:[[:space:]/:]:_:g')-${desktop_name}.desktop"
777 #local desktop=${T}/${exec%% *:-${desktop_name}}.desktop
778
779 # Don't append another ";" when a valid category value is provided.
780 type=${type%;}${type:+;}
781
782 eshopts_push -s extglob
783 if [[ -n ${icon} && ${icon} != /* ]] && [[ ${icon} == *.xpm || ${icon} == *.png || ${icon} == *.svg ]]; then
784 ewarn "As described in the Icon Theme Specification, icon file extensions are not"
785 ewarn "allowed in .desktop files if the value is not an absolute path."
786 icon=${icon%.@(xpm|png|svg)}
787 fi
788 eshopts_pop
789
790 cat <<-EOF > "${desktop}"
791 [Desktop Entry]
792 Name=${name}
793 Type=Application
794 Comment=${DESCRIPTION}
795 Exec=${exec}
796 TryExec=${exec%% *}
797 Icon=${icon}
798 Categories=${type}
799 EOF
800
801 if [[ ${fields:-=} != *=* ]] ; then
802 # 5th arg used to be value to Path=
803 ewarn "make_desktop_entry: update your 5th arg to read Path=${fields}"
804 fields="Path=${fields}"
805 fi
806 [[ -n ${fields} ]] && printf '%b\n' "${fields}" >> "${desktop}"
807
808 (
809 # wrap the env here so that the 'insinto' call
810 # doesn't corrupt the env of the caller
811 insinto /usr/share/applications
812 doins "${desktop}"
813 ) || die "installing desktop file failed"
814}
815
816# @FUNCTION: validate_desktop_entries
817# @USAGE: [directories]
818# @MAINTAINER:
819# Carsten Lohrke <carlo@gentoo.org>
820# @DESCRIPTION:
821# Validate desktop entries using desktop-file-utils
822validate_desktop_entries() {
823 if [[ -x /usr/bin/desktop-file-validate ]] ; then
824 einfo "Checking desktop entry validity"
825 local directories=""
826 for d in /usr/share/applications $@ ; do
827 [[ -d ${D}${d} ]] && directories="${directories} ${D}${d}"
828 done
829 if [[ -n ${directories} ]] ; then
830 for FILE in $(find ${directories} -name "*\.desktop" \
831 -not -path '*.hidden*' | sort -u 2>/dev/null)
832 do
833 local temp=$(desktop-file-validate ${FILE} | grep -v "warning:" | \
834 sed -e "s|error: ||" -e "s|${FILE}:|--|g" )
835 [[ -n $temp ]] && elog ${temp/--/${FILE/${D}/}:}
836 done
837 fi
838 echo ""
839 else
840 einfo "Passing desktop entry validity check. Install dev-util/desktop-file-utils, if you want to help to improve Gentoo."
841 fi
842}
843
844# @FUNCTION: make_session_desktop
845# @USAGE: <title> <command> [command args...]
846# @DESCRIPTION:
847# Make a GDM/KDM Session file. The title is the file to execute to start the
848# Window Manager. The command is the name of the Window Manager.
849#
850# You can set the name of the file via the ${wm} variable.
851make_session_desktop() {
852 [[ -z $1 ]] && eerror "$0: You must specify the title" && return 1
853 [[ -z $2 ]] && eerror "$0: You must specify the command" && return 1
854
855 local title=$1
856 local command=$2
857 local desktop=${T}/${wm:-${PN}}.desktop
858 shift 2
859
860 cat <<-EOF > "${desktop}"
861 [Desktop Entry]
862 Name=${title}
863 Comment=This session logs you into ${title}
864 Exec=${command} $*
865 TryExec=${command}
866 Type=XSession
867 EOF
868
869 (
870 # wrap the env here so that the 'insinto' call
871 # doesn't corrupt the env of the caller
872 insinto /usr/share/xsessions
873 doins "${desktop}"
874 )
875}
876
877# @FUNCTION: domenu
878# @USAGE: <menus>
879# @DESCRIPTION:
880# Install the list of .desktop menu files into the appropriate directory
881# (/usr/share/applications).
882domenu() {
883 (
884 # wrap the env here so that the 'insinto' call
885 # doesn't corrupt the env of the caller
886 local i j ret=0
887 insinto /usr/share/applications
888 for i in "$@" ; do
889 if [[ -f ${i} ]] ; then
890 doins "${i}"
891 ((ret+=$?))
892 elif [[ -d ${i} ]] ; then
893 for j in "${i}"/*.desktop ; do
894 doins "${j}"
895 ((ret+=$?))
896 done
897 else
898 ((++ret))
899 fi
900 done
901 exit ${ret}
902 )
903}
904
905# @FUNCTION: newmenu
906# @USAGE: <menu> <newname>
907# @DESCRIPTION:
908# Like all other new* functions, install the specified menu as newname.
909newmenu() {
910 (
911 # wrap the env here so that the 'insinto' call
912 # doesn't corrupt the env of the caller
913 insinto /usr/share/applications
914 newins "$@"
915 )
916}
917
918# @FUNCTION: doicon
919# @USAGE: <list of icons>
920# @DESCRIPTION:
921# Install the list of icons into the icon directory (/usr/share/pixmaps).
922# This is useful in conjunction with creating desktop/menu files.
923doicon() {
924 (
925 # wrap the env here so that the 'insinto' call
926 # doesn't corrupt the env of the caller
927 local i j ret
928 insinto /usr/share/pixmaps
929 for i in "$@" ; do
930 if [[ -f ${i} ]] ; then
931 doins "${i}"
932 ((ret+=$?))
933 elif [[ -d ${i} ]] ; then
934 for j in "${i}"/*.png ; do
935 doins "${j}"
936 ((ret+=$?))
937 done
938 else
939 ((++ret))
940 fi
941 done
942 exit ${ret}
943 )
944}
945
946# @FUNCTION: newicon
947# @USAGE: <icon> <newname>
948# @DESCRIPTION:
949# Like all other new* functions, install the specified icon as newname.
950newicon() {
951 (
952 # wrap the env here so that the 'insinto' call
953 # doesn't corrupt the env of the caller
954 insinto /usr/share/pixmaps
955 newins "$@"
956 )
957}
958
959# @FUNCTION: strip-linguas
960# @USAGE: [<allow LINGUAS>|<-i|-u> <directories of .po files>]
961# @DESCRIPTION:
962# Make sure that LINGUAS only contains languages that
963# a package can support. The first form allows you to
964# specify a list of LINGUAS. The -i builds a list of po
965# files found in all the directories and uses the
966# intersection of the lists. The -u builds a list of po
967# files found in all the directories and uses the union
968# of the lists.
969strip-linguas() {
970 local ls newls nols
971 if [[ $1 == "-i" ]] || [[ $1 == "-u" ]] ; then
972 local op=$1; shift
973 ls=$(find "$1" -name '*.po' -exec basename {} .po ';'); shift
974 local d f
975 for d in "$@" ; do
976 if [[ ${op} == "-u" ]] ; then
977 newls=${ls}
978 else
979 newls=""
174 fi 980 fi
175 981 for f in $(find "$d" -name '*.po' -exec basename {} .po ';') ; do
176 echo 982 if [[ ${op} == "-i" ]] ; then
177 eerror "Cannot find \$EPATCH_SOURCE! Value for \$EPATCH_SOURCE is:" 983 has ${f} ${ls} && newls="${newls} ${f}"
178 eerror 984 else
179 eerror " ${EPATCH_SOURCE}" 985 has ${f} ${ls} || newls="${newls} ${f}"
180 echo
181 die "Cannot find \$EPATCH_SOURCE!"
182 fi
183
184 local EPATCH_SOURCE="${EPATCH_SOURCE}/*.${EPATCH_SUFFIX}"
185 fi
186
187 case ${EPATCH_SUFFIX##*\.} in
188 bz2)
189 PIPE_CMD="bzip2 -dc"
190 PATCH_SUFFIX="bz2"
191 ;;
192 gz|Z|z)
193 PIPE_CMD="gzip -dc"
194 PATCH_SUFFIX="gz"
195 ;;
196 ZIP|zip)
197 PIPE_CMD="unzip -p"
198 PATCH_SUFFIX="zip"
199 ;;
200 *)
201 PIPE_CMD="cat"
202 PATCH_SUFFIX="patch"
203 ;;
204 esac
205
206 if [ "${SINGLE_PATCH}" = "no" ]
207 then
208 einfo "Applying various patches (bugfixes/updates)..."
209 fi
210 for x in ${EPATCH_SOURCE}
211 do
212 # New ARCH dependant patch naming scheme...
213 #
214 # ???_arch_foo.patch
215 #
216 if [ -f ${x} ] && \
217 ([ "${SINGLE_PATCH}" = "yes" -o "${x/_all_}" != "${x}" -o "`eval echo \$\{x/_${ARCH}_\}`" != "${x}" ] || \
218 [ "${EPATCH_FORCE}" = "yes" ])
219 then
220 local count=0
221 local popts="${EPATCH_OPTS}"
222
223 if [ -n "${EPATCH_EXCLUDE}" ]
224 then
225 if [ "`eval echo \$\{EPATCH_EXCLUDE/${x##*/}\}`" != "${EPATCH_EXCLUDE}" ]
226 then
227 continue
228 fi 986 fi
229 fi
230
231 if [ "${SINGLE_PATCH}" = "yes" ]
232 then
233 if [ -n "${EPATCH_SINGLE_MSG}" ]
234 then
235 einfo "${EPATCH_SINGLE_MSG}"
236 else
237 einfo "Applying ${x##*/}..."
238 fi
239 else
240 einfo " ${x##*/}..."
241 fi
242
243 echo "***** ${x##*/} *****" > ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
244 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
245
246 # Allow for prefix to differ ... im lazy, so shoot me :/
247 while [ "${count}" -lt 5 ]
248 do
249 # Generate some useful debug info ...
250 draw_line "***** ${x##*/} *****" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
251 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
252
253 if [ "${PATCH_SUFFIX}" != "patch" ]
254 then
255 echo -n "PIPE_COMMAND: " >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
256 echo "${PIPE_CMD} ${x} > ${PATCH_TARGET}" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
257 else
258 PATCH_TARGET="${x}"
259 fi
260
261 echo -n "PATCH COMMAND: " >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
262 echo "patch ${popts} -p${count} < ${PATCH_TARGET}" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
263
264 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
265 draw_line "***** ${x##*/} *****" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
266
267 if [ "${PATCH_SUFFIX}" != "patch" ]
268 then
269 if ! (${PIPE_CMD} ${x} > ${PATCH_TARGET}) >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 2>&1
270 then
271 echo
272 eerror "Could not extract patch!"
273 #die "Could not extract patch!"
274 count=5
275 break
276 fi
277 fi
278
279 if (cat ${PATCH_TARGET} | patch ${popts} --dry-run -f -p${count}) >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 2>&1
280 then
281 draw_line "***** ${x##*/} *****" > ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
282 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
283 echo "ACTUALLY APPLYING ${x##*/}..." >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
284 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
285 draw_line "***** ${x##*/} *****" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
286
287 cat ${PATCH_TARGET} | patch ${popts} -p${count} >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real 2>&1
288
289 if [ "$?" -ne 0 ]
290 then
291 cat ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
292 echo
293 eerror "A dry-run of patch command succeeded, but actually"
294 eerror "applying the patch failed!"
295 #die "Real world sux compared to the dreamworld!"
296 count=5
297 fi
298
299 rm -f ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
300
301 break
302 fi
303
304 count=$((count + 1))
305 done 987 done
306 988 ls=${newls}
307 if [ "${PATCH_SUFFIX}" != "patch" ] 989 done
308 then 990 else
309 rm -f ${PATCH_TARGET} 991 ls="$@"
310 fi 992 fi
311 993
312 if [ "${count}" -eq 5 ] 994 nols=""
313 then 995 newls=""
314 echo 996 for f in ${LINGUAS} ; do
315 eerror "Failed Patch: ${x##*/}!" 997 if has ${f} ${ls} ; then
316 eerror 998 newls="${newls} ${f}"
317 eerror "Include in your bugreport the contents of:" 999 else
318 eerror 1000 nols="${nols} ${f}"
319 eerror " ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}"
320 echo
321 die "Failed Patch: ${x##*/}!"
322 fi
323
324 rm -f ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
325
326 eend 0
327 fi 1001 fi
328 done 1002 done
329 if [ "${SINGLE_PATCH}" = "no" ] 1003 [[ -n ${nols} ]] \
330 then 1004 && ewarn "Sorry, but ${PN} does not support the LINGUAS:" ${nols}
331 einfo "Done with patching" 1005 export LINGUAS=${newls:1}
332 fi
333} 1006}
334 1007
335# This function return true if we are using the NPTL pthreads 1008# @FUNCTION: preserve_old_lib
336# implementation. 1009# @USAGE: <libs to preserve> [more libs]
337# 1010# @DESCRIPTION:
338# <azarah@gentoo.org> (06 March 2003) 1011# These functions are useful when a lib in your package changes ABI SONAME.
339# 1012# An example might be from libogg.so.0 to libogg.so.1. Removing libogg.so.0
340 1013# would break packages that link against it. Most people get around this
341have_NPTL() { 1014# by using the portage SLOT mechanism, but that is not always a relevant
342 1015# solution, so instead you can call this from pkg_preinst. See also the
343 cat > ${T}/test-nptl.c <<-"END" 1016# preserve_old_lib_notify function.
344 #define _XOPEN_SOURCE 1017preserve_old_lib() {
345 #include <unistd.h> 1018 if [[ ${EBUILD_PHASE} != "preinst" ]] ; then
346 #include <stdio.h> 1019 eerror "preserve_old_lib() must be called from pkg_preinst() only"
347 1020 die "Invalid preserve_old_lib() usage"
348 int main()
349 {
350 char buf[255];
351 char *str = buf;
352
353 confstr(_CS_GNU_LIBPTHREAD_VERSION, str, 255);
354 if (NULL != str) {
355 printf("%s\n", str);
356 if (NULL != strstr(str, "NPTL"))
357 return 0;
358 }
359
360 return 1;
361 }
362 END
363
364 einfon "Checking for _CS_GNU_LIBPTHREAD_VERSION support in glibc ... "
365 if gcc -o ${T}/nptl ${T}/test-nptl.c &> /dev/null
366 then
367 echo "yes"
368 einfon "Checking what PTHREADS implementation we have ... "
369 if ${T}/nptl
370 then
371 return 0
372 else
373 return 1
374 fi 1021 fi
375 else 1022 [[ -z $1 ]] && die "Usage: preserve_old_lib <library to preserve> [more libraries to preserve]"
376 echo "no"
377 fi
378 1023
379 return 1 1024 # let portage worry about it
380} 1025 has preserve-libs ${FEATURES} && return 0
381 1026
382# This function check how many cpu's are present, and then set 1027 local lib dir
383# -j in MAKEOPTS accordingly. 1028 for lib in "$@" ; do
384# 1029 [[ -e ${ROOT}/${lib} ]] || continue
385# Thanks to nall <nall@gentoo.org> for this. 1030 dir=${lib%/*}
386# 1031 dodir ${dir} || die "dodir ${dir} failed"
387get_number_of_jobs() { 1032 cp "${ROOT}"/${lib} "${D}"/${lib} || die "cp ${lib} failed"
388 local jobs=0 1033 touch "${D}"/${lib}
1034 done
1035}
389 1036
390 if [ ! -r /proc/cpuinfo ] 1037# @FUNCTION: preserve_old_lib_notify
391 then 1038# @USAGE: <libs to notify> [more libs]
392 return 1 1039# @DESCRIPTION:
393 fi 1040# Spit helpful messages about the libraries preserved by preserve_old_lib.
394 1041preserve_old_lib_notify() {
395 # This bit is from H?kan Wessberg <nacka-gentoo@refug.org>, bug #13565. 1042 if [[ ${EBUILD_PHASE} != "postinst" ]] ; then
396 if [ "`egrep "^[[:space:]]*MAKEOPTS=" /etc/make.conf | wc -l`" -gt 0 ] 1043 eerror "preserve_old_lib_notify() must be called from pkg_postinst() only"
397 then 1044 die "Invalid preserve_old_lib_notify() usage"
398 ADMINOPTS="`egrep "^[[:space:]]*MAKEOPTS=" /etc/make.conf | cut -d= -f2 | sed 's/\"//g'`"
399 ADMINPARAM="`echo ${ADMINOPTS} | gawk '{match($0, /-j *[0-9]*/, opt); print opt[0]}'`"
400 ADMINPARAM="${ADMINPARAM/-j}"
401 fi
402
403 export MAKEOPTS="`echo ${MAKEOPTS} | sed -e 's:-j *[0-9]*::g'`"
404
405 if [ "${ARCH}" = "amd64" -o "${ARCH}" = "x86" -o "${ARCH}" = "hppa" -o \
406 "${ARCH}" = "arm" -o "${ARCH}" = "mips" ]
407 then
408 # these archs will always have "[Pp]rocessor"
409 jobs="$((`grep -c ^[Pp]rocessor /proc/cpuinfo` * 2))"
410
411 elif [ "${ARCH}" = "sparc" -o "${ARCH}" = "sparc64" ]
412 then
413 # sparc always has "ncpus active"
414 jobs="$((`grep "^ncpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
415
416 elif [ "${ARCH}" = "alpha" ]
417 then
418 # alpha has "cpus active", but only when compiled with SMP
419 if [ "`grep -c "^cpus active" /proc/cpuinfo`" -eq 1 ]
420 then
421 jobs="$((`grep "^cpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
422 else
423 jobs=2
424 fi 1045 fi
425 1046
426 elif [ "${ARCH}" = "ppc" ] 1047 # let portage worry about it
427 then 1048 has preserve-libs ${FEATURES} && return 0
428 # ppc has "processor", but only when compiled with SMP 1049
429 if [ "`grep -c "^processor" /proc/cpuinfo`" -eq 1 ] 1050 local lib notice=0
430 then 1051 for lib in "$@" ; do
431 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))" 1052 [[ -e ${ROOT}/${lib} ]] || continue
432 else 1053 if [[ ${notice} -eq 0 ]] ; then
433 jobs=2 1054 notice=1
434 fi 1055 ewarn "Old versions of installed libraries were detected on your system."
435 else 1056 ewarn "In order to avoid breaking packages that depend on these old libs,"
436 jobs="$((`grep -c ^cpu /proc/cpuinfo` * 2))" 1057 ewarn "the libraries are not being removed. You need to run revdep-rebuild"
437 die "Unknown ARCH -- ${ARCH}!" 1058 ewarn "in order to remove these old dependencies. If you do not have this"
1059 ewarn "helper program, simply emerge the 'gentoolkit' package."
1060 ewarn
438 fi 1061 fi
439 1062 # temp hack for #348634 #357225
440 # Make sure the number is valid ... 1063 [[ ${PN} == "mpfr" ]] && lib=${lib##*/}
441 if [ "${jobs}" -lt 1 ] 1064 ewarn " # revdep-rebuild --library '${lib}'"
442 then 1065 done
443 jobs=1 1066 if [[ ${notice} -eq 1 ]] ; then
444 fi 1067 ewarn
445 1068 ewarn "Once you've finished running revdep-rebuild, it should be safe to"
446 if [ -n "${ADMINPARAM}" ] 1069 ewarn "delete the old libraries. Here is a copy & paste for the lazy:"
447 then 1070 for lib in "$@" ; do
448 if [ "${jobs}" -gt "${ADMINPARAM}" ] 1071 ewarn " # rm '${lib}'"
449 then 1072 done
450 einfo "Setting make jobs to \"-j${ADMINPARAM}\" to ensure successful merge..."
451 export MAKEOPTS="${MAKEOPTS} -j${ADMINPARAM}"
452 else
453 einfo "Setting make jobs to \"-j${jobs}\" to ensure successful merge..."
454 export MAKEOPTS="${MAKEOPTS} -j${jobs}"
455 fi 1073 fi
456 fi
457} 1074}
458 1075
459# Simplify/standardize adding users to the system 1076# @FUNCTION: built_with_use
460# vapier@gentoo.org 1077# @USAGE: [--hidden] [--missing <action>] [-a|-o] <DEPEND ATOM> <List of USE flags>
1078# @DESCRIPTION:
461# 1079#
462# enewuser(username, uid, shell, homedir, groups, extra options) 1080# Deprecated: Use EAPI 2 use deps in DEPEND|RDEPEND and with has_version calls.
463# 1081#
464# Default values if you do not specify any: 1082# A temporary hack until portage properly supports DEPENDing on USE
465# username: REQUIRED ! 1083# flags being enabled in packages. This will check to see if the specified
466# uid: next available (see useradd(8)) 1084# DEPEND atom was built with the specified list of USE flags. The
467# note: pass -1 to get default behavior 1085# --missing option controls the behavior if called on a package that does
468# shell: /bin/false 1086# not actually support the defined USE flags (aka listed in IUSE).
469# homedir: /dev/null 1087# The default is to abort (call die). The -a and -o flags control
470# groups: none 1088# the requirements of the USE flags. They correspond to "and" and "or"
471# extra: comment of 'added by portage for ${PN}' 1089# logic. So the -a flag means all listed USE flags must be enabled
472enewuser() { 1090# while the -o flag means at least one of the listed IUSE flags must be
473 # get the username 1091# enabled. The --hidden option is really for internal use only as it
474 local euser="$1"; shift 1092# means the USE flag we're checking is hidden expanded, so it won't be found
475 if [ -z "${euser}" ] ; then 1093# in IUSE like normal USE flags.
476 eerror "No username specified !" 1094#
477 die "Cannot call enewuser without a username" 1095# Remember that this function isn't terribly intelligent so order of optional
478 fi 1096# flags matter.
479 einfo "Adding user '${euser}' to your system ..." 1097built_with_use() {
480 1098 local hidden="no"
481 # setup a file for testing usernames/groups 1099 if [[ $1 == "--hidden" ]] ; then
482 local tmpfile="`mktemp -p ${T}`" 1100 hidden="yes"
483 touch ${tmpfile} 1101 shift
484 chown ${euser} ${tmpfile} >& /dev/null
485 local realuser="`ls -l ${tmpfile} | awk '{print $3}'`"
486
487 # see if user already exists
488 if [ "${euser}" == "${realuser}" ] ; then
489 einfo "${euser} already exists on your system :)"
490 return 0
491 fi
492
493 # options to pass to useradd
494 local opts=""
495
496 # handle uid
497 local euid="$1"; shift
498 if [ ! -z "${euid}" ] && [ "${euid}" != "-1" ] ; then
499 if [ ${euid} -gt 0 ] ; then
500 opts="${opts} -u ${euid}"
501 else
502 eerror "Userid given but is not greater than 0 !"
503 die "${euid} is not a valid UID"
504 fi 1102 fi
505 else
506 euid="next available"
507 fi
508 einfo " - Userid: ${euid}"
509 1103
510 # handle shell 1104 local missing_action="die"
511 local eshell="$1"; shift 1105 if [[ $1 == "--missing" ]] ; then
512 if [ ! -z "${eshell}" ] ; then 1106 missing_action=$2
513 if [ ! -e ${eshell} ] ; then 1107 shift ; shift
514 eerror "A shell was specified but it does not exist !" 1108 case ${missing_action} in
515 die "${eshell} does not exist" 1109 true|false|die) ;;
1110 *) die "unknown action '${missing_action}'";;
1111 esac
516 fi 1112 fi
517 else
518 eshell=/bin/false
519 fi
520 einfo " - Shell: ${eshell}"
521 opts="${opts} -s ${eshell}"
522 1113
523 # handle homedir 1114 local opt=$1
524 local ehome="$1"; shift 1115 [[ ${opt:0:1} = "-" ]] && shift || opt="-a"
525 if [ -z "${ehome}" ] ; then
526 ehome=/dev/null
527 fi
528 einfo " - Home: ${ehome}"
529 opts="${opts} -d ${ehome}"
530 1116
531 # handle groups 1117 local PKG=$(best_version $1)
532 local egroups="$1"; shift 1118 [[ -z ${PKG} ]] && die "Unable to resolve $1 to an installed package"
533 if [ ! -z "${egroups}" ] ; then 1119 shift
534 local realgroup 1120
535 local oldifs="${IFS}" 1121 local USEFILE=${ROOT}/var/db/pkg/${PKG}/USE
536 export IFS="," 1122 local IUSEFILE=${ROOT}/var/db/pkg/${PKG}/IUSE
537 for g in ${egroups} ; do 1123
538 chgrp ${g} ${tmpfile} >& /dev/null 1124 # if the IUSE file doesn't exist, the read will error out, we need to handle
539 realgroup="`ls -l ${tmpfile} | awk '{print $4}'`" 1125 # this gracefully
540 if [ "${g}" != "${realgroup}" ] ; then 1126 if [[ ! -e ${USEFILE} ]] || [[ ! -e ${IUSEFILE} && ${hidden} == "no" ]] ; then
541 eerror "You must add ${g} to the system first" 1127 case ${missing_action} in
542 die "${g} is not a valid GID" 1128 true) return 0;;
1129 false) return 1;;
1130 die) die "Unable to determine what USE flags $PKG was built with";;
1131 esac
1132 fi
1133
1134 if [[ ${hidden} == "no" ]] ; then
1135 local IUSE_BUILT=( $(<"${IUSEFILE}") )
1136 # Don't check USE_EXPAND #147237
1137 local expand
1138 for expand in $(echo ${USE_EXPAND} | tr '[:upper:]' '[:lower:]') ; do
1139 if [[ $1 == ${expand}_* ]] ; then
1140 expand=""
1141 break
543 fi 1142 fi
544 done 1143 done
545 export IFS="${oldifs}" 1144 if [[ -n ${expand} ]] ; then
546 opts="${opts} -g ${egroups}" 1145 if ! has $1 ${IUSE_BUILT[@]#[-+]} ; then
1146 case ${missing_action} in
1147 true) return 0;;
1148 false) return 1;;
1149 die) die "$PKG does not actually support the $1 USE flag!";;
1150 esac
1151 fi
1152 fi
1153 fi
1154
1155 local USE_BUILT=$(<${USEFILE})
1156 while [[ $# -gt 0 ]] ; do
1157 if [[ ${opt} = "-o" ]] ; then
1158 has $1 ${USE_BUILT} && return 0
1159 else
1160 has $1 ${USE_BUILT} || return 1
1161 fi
1162 shift
1163 done
1164 [[ ${opt} = "-a" ]]
1165}
1166
1167# @FUNCTION: epunt_cxx
1168# @USAGE: [dir to scan]
1169# @DESCRIPTION:
1170# Many configure scripts wrongly bail when a C++ compiler could not be
1171# detected. If dir is not specified, then it defaults to ${S}.
1172#
1173# http://bugs.gentoo.org/73450
1174epunt_cxx() {
1175 local dir=$1
1176 [[ -z ${dir} ]] && dir=${S}
1177 ebegin "Removing useless C++ checks"
1178 local f
1179 find "${dir}" -name configure | while read f ; do
1180 patch --no-backup-if-mismatch -p0 "${f}" "${PORTDIR}/eclass/ELT-patches/nocxx/nocxx.patch" > /dev/null
1181 done
1182 eend 0
1183}
1184
1185# @FUNCTION: make_wrapper
1186# @USAGE: <wrapper> <target> [chdir] [libpaths] [installpath]
1187# @DESCRIPTION:
1188# Create a shell wrapper script named wrapper in installpath
1189# (defaults to the bindir) to execute target (default of wrapper) by
1190# first optionally setting LD_LIBRARY_PATH to the colon-delimited
1191# libpaths followed by optionally changing directory to chdir.
1192make_wrapper() {
1193 local wrapper=$1 bin=$2 chdir=$3 libdir=$4 path=$5
1194 local tmpwrapper=$(emktemp)
1195 # We don't want to quote ${bin} so that people can pass complex
1196 # things as $bin ... "./someprog --args"
1197 cat << EOF > "${tmpwrapper}"
1198#!/bin/sh
1199cd "${chdir:-.}"
1200if [ -n "${libdir}" ] ; then
1201 if [ "\${LD_LIBRARY_PATH+set}" = "set" ] ; then
1202 export LD_LIBRARY_PATH="\${LD_LIBRARY_PATH}:${libdir}"
547 else 1203 else
548 egroups="(none)" 1204 export LD_LIBRARY_PATH="${libdir}"
1205 fi
549 fi 1206fi
550 einfo " - Groups: ${egroups}" 1207exec ${bin} "\$@"
551 1208EOF
552 # handle extra and add the user 1209 chmod go+rx "${tmpwrapper}"
553 local eextra="$@" 1210 if [[ -n ${path} ]] ; then
554 local oldsandbox="${oldsandbox}" 1211 (
555 export SANDBOX_ON="0" 1212 exeinto "${path}"
556 if [ -z "${eextra}" ] ; then 1213 newexe "${tmpwrapper}" "${wrapper}"
557 useradd ${opts} ${euser} \ 1214 ) || die
558 -c "added by portage for ${PN}" \
559 || die "enewuser failed"
560 else 1215 else
561 einfo " - Extra: ${eextra}" 1216 newbin "${tmpwrapper}" "${wrapper}" || die
562 useradd ${opts} ${euser} ${eextra} \
563 || die "enewuser failed"
564 fi
565 export SANDBOX_ON="${oldsandbox}"
566
567 if [ ! -e ${ehome} ] && [ ! -e ${D}/${ehome} ] ; then
568 einfo " - Creating ${ehome} in ${D}"
569 dodir ${ehome}
570 fperms ${euser} ${ehome}
571 fi
572}
573
574# Simplify/standardize adding groups to the system
575# vapier@gentoo.org
576#
577# enewgroup(group, gid)
578#
579# Default values if you do not specify any:
580# groupname: REQUIRED !
581# gid: next available (see groupadd(8))
582# extra: none
583enewgroup() {
584 # get the group
585 local egroup="$1"; shift
586 if [ -z "${egroup}" ] ; then
587 eerror "No group specified !"
588 die "Cannot call enewgroup without a group"
589 fi
590 einfo "Adding group '${egroup}' to your system ..."
591
592 # setup a file for testing groupname
593 local tmpfile="`mktemp -p ${T}`"
594 touch ${tmpfile}
595 chgrp ${egroup} ${tmpfile} >& /dev/null
596 local realgroup="`ls -l ${tmpfile} | awk '{print $4}'`"
597
598 # see if group already exists
599 if [ "${egroup}" == "${realgroup}" ] ; then
600 einfo "${egroup} already exists on your system :)"
601 return 0
602 fi
603
604 # options to pass to useradd
605 local opts=""
606
607 # handle gid
608 local egid="$1"; shift
609 if [ ! -z "${egid}" ] ; then
610 if [ ${egid} -gt 0 ] ; then
611 opts="${opts} -g ${egid}"
612 else
613 eerror "Groupid given but is not greater than 0 !"
614 die "${egid} is not a valid GID"
615 fi 1217 fi
616 else
617 egid="next available"
618 fi
619 einfo " - Groupid: ${egid}"
620
621 # handle extra
622 local eextra="$@"
623 opts="${opts} ${eextra}"
624
625 # add the group
626 local oldsandbox="${oldsandbox}"
627 export SANDBOX_ON="0"
628 groupadd ${opts} ${egroup} || die "enewgroup failed"
629 export SANDBOX_ON="${oldsandbox}"
630} 1218}
631 1219
632# Simple script to replace 'dos2unix' binaries 1220# @FUNCTION: path_exists
633# vapier@gentoo.org 1221# @USAGE: [-a|-o] <paths>
634# 1222# @DESCRIPTION:
635# edos2unix(file, <more files>...) 1223# Check if the specified paths exist. Works for all types of paths
636edos2unix() { 1224# (files/dirs/etc...). The -a and -o flags control the requirements
1225# of the paths. They correspond to "and" and "or" logic. So the -a
1226# flag means all the paths must exist while the -o flag means at least
1227# one of the paths must exist. The default behavior is "and". If no
1228# paths are specified, then the return value is "false".
1229path_exists() {
1230 local opt=$1
1231 [[ ${opt} == -[ao] ]] && shift || opt="-a"
1232
1233 # no paths -> return false
1234 # same behavior as: [[ -e "" ]]
1235 [[ $# -eq 0 ]] && return 1
1236
1237 local p r=0
637 for f in $@ ; do 1238 for p in "$@" ; do
638 cp ${f} ${T}/edos2unix 1239 [[ -e ${p} ]]
639 sed 's/\r$//' ${T}/edos2unix > ${f} 1240 : $(( r += $? ))
640 done 1241 done
641}
642 1242
643# new convenience patch wrapper function to eventually replace epatch(), 1243 case ${opt} in
644# $PATCHES, $PATCHES1, src_unpack:patch, src_unpack:autopatch and 1244 -a) return $(( r != 0 )) ;;
645# /usr/bin/patch 1245 -o) return $(( r == $# )) ;;
646# Features:
647# - bulk patch handling similar to epatch()'s
648# - automatic patch level detection like epatch()'s
649# - automatic patch uncompression like epatch()'s
650# - doesn't have the --dry-run overhead of epatch() - inspects patchfiles
651# manually instead
652# - once I decide it's production-ready, it'll be called from base_src_unpack
653# to handle $PATCHES to avoid defining src_unpack just to use xpatch
654
655# accepts zero or more parameters specifying patchfiles and/or patchdirs
656
657# known issues:
658# - only supports unified style patches (does anyone _really_ use anything
659# else?)
660# - because it doesn't use --dry-run there is a risk of it failing
661# to find the files to patch, ie detect the patchlevel, properly. It doesn't use
662# any of the backup heuristics that patch employs to discover a filename.
663# however, this isn't dangerous because if it works for the developer who's
664# writing the ebuild, it'll always work for the users, and if it doesn't,
665# then we'll fix it :-)
666# - no support as yet for patches applying outside $S (and not directly in $WORKDIR).
667xpatch() {
668
669 debug-print-function $FUNCNAME $*
670
671 local list=""
672 local list2=""
673 declare -i plevel
674
675 # parse patch sources
676 for x in $*; do
677 debug-print "$FUNCNAME: parsing parameter $x"
678 if [ -f "$x" ]; then
679 list="$list $x"
680 elif [ -d "$x" ]; then
681 # handles patchdirs like epatch() for now: no recursion.
682 # patches are sorted by filename, so with an xy_foo naming scheme you'll get the right order.
683 # only patches with _$ARCH_ or _all_ in their filenames are applied.
684 for file in `ls -A $x`; do
685 debug-print "$FUNCNAME: parsing in subdir: file $file"
686 if [ -f "$x/$file" ] && [ "${file}" != "${file/_all_}" -o "${file}" != "${file/_$ARCH_}" ]; then
687 list2="$list2 $x/$file"
688 fi
689 done
690 list="`echo $list2 | sort` $list"
691 else
692 die "Couldn't find $x"
693 fi
694 done
695
696 debug-print "$FUNCNAME: final list of patches: $list"
697
698 for x in $list; do
699 debug-print "$FUNCNAME: processing $x"
700 # deal with compressed files. /usr/bin/file is in the system profile, or should be.
701 case "`/usr/bin/file -b $x`" in
702 *gzip*) patchfile="${T}/current.patch"; ungzip -c "$x" > "${patchfile}";;
703 *bzip2*) patchfile="${T}/current.patch"; bunzip2 -c "$x" > "${patchfile}";;
704 *text*) patchfile="$x";;
705 *) die "Could not determine filetype of patch $x";;
706 esac 1246 esac
707 debug-print "$FUNCNAME: patchfile=$patchfile"
708
709 # determine patchlevel. supports p0 and higher with either $S or $WORKDIR as base.
710 target="`/bin/grep -m 1 '^+++ ' $patchfile`"
711 debug-print "$FUNCNAME: raw target=$target"
712 # strip target down to the path/filename, remove leading +++
713 target="${target/+++ }"; target="${target%% *}"
714 # duplicate slashes are discarded by patch wrt the patchlevel. therefore we need
715 # to discard them as well to calculate the correct patchlevel.
716 target="${target//\/\//\/}"
717 debug-print "$FUNCNAME: stripped target=$target"
718
719 # look for target
720 for basedir in "$S" "$WORKDIR" "${PWD}"; do
721 debug-print "$FUNCNAME: looking in basedir=$basedir"
722 cd "$basedir"
723
724 # try stripping leading directories
725 target2="$target"
726 plevel=0
727 debug-print "$FUNCNAME: trying target2=$target2, plevel=$plevel"
728 while [ ! -f "$target2" ]; do
729 target2="${target2#*/}" # removes piece of target2 upto the first occurence of /
730 plevel=plevel+1
731 debug-print "$FUNCNAME: trying target2=$target2, plevel=$plevel"
732 [ "$target2" == "${target2/\/}" ] && break
733 done
734 test -f "$target2" && break
735
736 # try stripping filename - needed to support patches creating new files
737 target2="${target%/*}"
738 plevel=0
739 debug-print "$FUNCNAME: trying target2=$target2, plevel=$plevel"
740 while [ ! -d "$target2" ]; do
741 target2="${target2#*/}" # removes piece of target2 upto the first occurence of /
742 plevel=plevel+1
743 debug-print "$FUNCNAME: trying target2=$target2, plevel=$plevel"
744 [ "$target2" == "${target2/\/}" ] && break
745 done
746 test -d "$target2" && break
747
748 done
749
750 test -f "${basedir}/${target2}" || test -d "${basedir}/${target2}" || die "Could not determine patchlevel for $x"
751 debug-print "$FUNCNAME: determined plevel=$plevel"
752 # do the patching
753 ebegin "Applying patch ${x##*/}..."
754 /usr/bin/patch -p$plevel < "$patchfile" > /dev/null || die "Failed to apply patch $x"
755 eend $?
756
757 done
758
759} 1247}
1248
1249# @FUNCTION: in_iuse
1250# @USAGE: <flag>
1251# @DESCRIPTION:
1252# Determines whether the given flag is in IUSE. Strips IUSE default prefixes
1253# as necessary.
1254#
1255# Note that this function should not be used in the global scope.
1256in_iuse() {
1257 debug-print-function ${FUNCNAME} "${@}"
1258 [[ ${#} -eq 1 ]] || die "Invalid args to ${FUNCNAME}()"
1259
1260 local flag=${1}
1261 local liuse=( ${IUSE} )
1262
1263 has "${flag}" "${liuse[@]#[+-]}"
1264}
1265
1266# @FUNCTION: use_if_iuse
1267# @USAGE: <flag>
1268# @DESCRIPTION:
1269# Return true if the given flag is in USE and IUSE.
1270#
1271# Note that this function should not be used in the global scope.
1272use_if_iuse() {
1273 in_iuse $1 || return 1
1274 use $1
1275}
1276
1277# @FUNCTION: usex
1278# @USAGE: <USE flag> [true output] [false output] [true suffix] [false suffix]
1279# @DESCRIPTION:
1280# If USE flag is set, echo [true output][true suffix] (defaults to "yes"),
1281# otherwise echo [false output][false suffix] (defaults to "no").
1282usex() { use "$1" && echo "${2-yes}$4" || echo "${3-no}$5" ; } #382963
1283
1284check_license() { die "you no longer need this as portage supports ACCEPT_LICENSE itself"; }
1285
1286fi

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