gentoo-x86/eclass/darcs.eclass

# Copyright 2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/darcs.eclass,v 1.5 2007/06/17 21:33:57 kolmodin Exp $
#
# darcs eclass author:  Andres Loeh <kosmikus@gentoo.org>
# tla eclass author:    <rphillips@gentoo.org>
# Original Author:      Jeffrey Yasskin <jyasskin@mail.utexas.edu>
#
# Originally derived from the tla eclass, which is derived from the
# cvs eclass.
#
# This eclass provides the generic darcs fetching functions.
# to use from an ebuild, set the 'ebuild-configurable settings' below in your
# ebuild before inheriting.  then either leave the default src_unpack or extend
# over darcs_src_unpack.

# Most of the time, you will define only $EDARCS_REPOSITORY in your
# ebuild.

# TODO: support for tags, ...

# Don't download anything other than the darcs repository
SRC_URI=""

# You shouldn't change these settings yourself! The ebuild/eclass inheriting
# this eclass will take care of that.

# --- begin ebuild-configurable settings

# darcs command to run
[ -z "$EDARCS_DARCS_CMD" ] && EDARCS_DARCS_CMD="darcs"

# darcs commands with command-specific options
[ -z "$EDARCS_GET_CMD" ] && EDARCS_GET_CMD="get --partial"
[ -z "$EDARCS_UPDATE_CMD" ] && EDARCS_UPDATE_CMD="pull"

# options to pass to both the "get" and "update" commands
[ -z "$EDARCS_OPTIONS" ] && EDARCS_OPTIONS="--set-scripts-executable"

# Where the darcs repositories are stored/accessed
[ -z "$EDARCS_TOP_DIR" ] && EDARCS_TOP_DIR="${PORTAGE_ACTUAL_DISTDIR-${DISTDIR}}/darcs-src"

# The URI to the repository.
[ -z "$EDARCS_REPOSITORY" ] && EDARCS_REPOSITORY=""

# The local directory to store the repository (useful to ensure a
# unique local name); relative to EDARCS_TOP_DIR
[ -z "$EDARCS_LOCALREPO" ] && [ -n "$EDARCS_REPOSITORY" ] \
        && EDARCS_LOCALREPO=${EDARCS_REPOSITORY%/} \
        && EDARCS_LOCALREPO=${EDARCS_LOCALREPO##*/}

# EDARCS_CLEAN: set this to something to get a clean copy when updating
# (removes the working directory, then uses $EDARCS_GET_CMD to
# re-download it.)

# --- end ebuild-configurable settings ---

# add darcs to deps
DEPEND="dev-util/darcs"

# is called from darcs_src_unpack
darcs_fetch() {

        debug-print-function $FUNCNAME $*

        if [ -n "$EDARCS_CLEAN" ]; then
                rm -rf $EDARCS_TOP_DIR/$EDARCS_LOCALREPO
        fi

        # create the top dir if needed
        if [ ! -d "$EDARCS_TOP_DIR" ]; then
                # note that the addwrite statements in this block are only there to allow creating EDARCS_TOP_DIR;
                # we've already allowed writing inside it
                # this is because it's simpler than trying to find out the parent path of the directory, which
                # would need to be the real path and not a symlink for things to work (so we can't just remove
                # the last path element in the string)
                debug-print "$FUNCNAME: checkout mode. creating darcs directory"
                addwrite /foobar
                addwrite /
                mkdir -p "$EDARCS_TOP_DIR"
                export SANDBOX_WRITE="${SANDBOX_WRITE//:\/foobar:\/}"
        fi

        # in case EDARCS_DARCS_DIR is a symlink to a dir, get the real
        # dir's path, otherwise addwrite() doesn't work.
        pushd .
        cd -P "$EDARCS_TOP_DIR" > /dev/null
        EDARCS_TOP_DIR="`/bin/pwd`"

        # disable the sandbox for this dir
        addwrite "$EDARCS_TOP_DIR"

        # determine checkout or update mode and change to the right directory.
        if [ ! -d "$EDARCS_TOP_DIR/$EDARCS_LOCALREPO/_darcs" ]; then
                mode=get
                cd "$EDARCS_TOP_DIR"
        else
                mode=update
                cd "$EDARCS_TOP_DIR/$EDARCS_LOCALREPO"
        fi

        # commands to run
        local cmdget="${EDARCS_DARCS_CMD} ${EDARCS_GET_CMD} ${EDARCS_OPTIONS} --repo-name=${EDARCS_LOCALREPO} ${EDARCS_REPOSITORY}"
        local cmdupdate="${EDARCS_DARCS_CMD} ${EDARCS_UPDATE_CMD} --all ${EDARCS_OPTIONS} ${EDARCS_REPOSITORY}"

        if [ "${mode}" == "get" ]; then
                einfo "Running $cmdget"
                eval $cmdget || die "darcs get command failed"
        elif [ "${mode}" == "update" ]; then
                einfo "Running $cmdupdate"
                eval $cmdupdate || die "darcs update command failed"
        fi

        popd
}


darcs_src_unpack() {
        local EDARCS_SHOPT

        debug-print-function $FUNCNAME $*

        debug-print "$FUNCNAME: init:
        EDARCS_DARCS_CMD=$EDARCS_DARCS_CMD
        EDARCS_GET_CMD=$EDARCS_GET_CMD
        EDARCS_UPDATE_CMD=$EDARCS_UPDATE_CMD
        EDARCS_OPTIONS=$EDARCS_OPTIONS
        EDARCS_TOP_DIR=$EDARCS_TOP_DIR
        EDARCS_REPOSITORY=$EDARCS_REPOSITORY
        EDARCS_LOCALREPO=$EDARCS_LOCALREPO
        EDARCS_CLEAN=$EDARCS_CLEAN"

        einfo "Fetching darcs repository $EDARCS_REPOSITORY into $EDARCS_TOP_DIR..."
        darcs_fetch

        einfo "Copying $EDARCS_LOCALREPO from $EDARCS_TOP_DIR..."
        debug-print "Copying $EDARCS_LOCALREPO from $EDARCS_TOP_DIR..."

        # probably redundant, but best to make sure
        # Use ${WORKDIR}/${P} rather than ${S} so user can point ${S} to something inside.
        mkdir -p "${WORKDIR}/${P}"

        EDARCS_SHOPT=$(shopt -p dotglob)
        shopt -s dotglob        # get any dotfiles too.
        rsync -rlpgo --exclude="_darcs/"  "$EDARCS_TOP_DIR/$EDARCS_LOCALREPO"/* "${WORKDIR}/${P}"
        eval ${EDARCS_SHOPT}    # reset shopt

        einfo "Darcs repository contents are now in ${WORKDIR}/${P}"

}

EXPORT_FUNCTIONS src_unpack
1	# Copyright 2004 Gentoo Technologies, Inc.
2	# Distributed under the terms of the GNU General Public License v2
3	# $Header: /var/cvsroot/gentoo-x86/eclass/darcs.eclass,v 1.5 2007/06/17 21:33:57 kolmodin Exp $
4	#
5	# darcs eclass author: Andres Loeh <kosmikus@gentoo.org>
6	# tla eclass author: <rphillips@gentoo.org>
7	# Original Author: Jeffrey Yasskin <jyasskin@mail.utexas.edu>
8	#
9	# Originally derived from the tla eclass, which is derived from the
10	# cvs eclass.
11	#
12	# This eclass provides the generic darcs fetching functions.
13	# to use from an ebuild, set the 'ebuild-configurable settings' below in your
14	# ebuild before inheriting. then either leave the default src_unpack or extend
15	# over darcs_src_unpack.
16
17	# Most of the time, you will define only $EDARCS_REPOSITORY in your
18	# ebuild.
19
20	# TODO: support for tags, ...
21
22	# Don't download anything other than the darcs repository
23	SRC_URI=""
24
25	# You shouldn't change these settings yourself! The ebuild/eclass inheriting
26	# this eclass will take care of that.
27
28	# --- begin ebuild-configurable settings
29
30	# darcs command to run
31	[ -z "$EDARCS_DARCS_CMD" ] && EDARCS_DARCS_CMD="darcs"
32
33	# darcs commands with command-specific options
34	[ -z "$EDARCS_GET_CMD" ] && EDARCS_GET_CMD="get --partial"
35	[ -z "$EDARCS_UPDATE_CMD" ] && EDARCS_UPDATE_CMD="pull"
36
37	# options to pass to both the "get" and "update" commands
38	[ -z "$EDARCS_OPTIONS" ] && EDARCS_OPTIONS="--set-scripts-executable"
39
40	# Where the darcs repositories are stored/accessed
41	[ -z "$EDARCS_TOP_DIR" ] && EDARCS_TOP_DIR="${PORTAGE_ACTUAL_DISTDIR-${DISTDIR}}/darcs-src"
42
43	# The URI to the repository.
44	[ -z "$EDARCS_REPOSITORY" ] && EDARCS_REPOSITORY=""
45
46	# The local directory to store the repository (useful to ensure a
47	# unique local name); relative to EDARCS_TOP_DIR
48	[ -z "$EDARCS_LOCALREPO" ] && [ -n "$EDARCS_REPOSITORY" ] \
49	&& EDARCS_LOCALREPO=${EDARCS_REPOSITORY%/} \
50	&& EDARCS_LOCALREPO=${EDARCS_LOCALREPO##*/}
51
52	# EDARCS_CLEAN: set this to something to get a clean copy when updating
53	# (removes the working directory, then uses $EDARCS_GET_CMD to
54	# re-download it.)
55
56	# --- end ebuild-configurable settings ---
57
58	# add darcs to deps
59	DEPEND="dev-util/darcs"
60
61	# is called from darcs_src_unpack
62	darcs_fetch() {
63
64	debug-print-function $FUNCNAME $*
65
66	if [ -n "$EDARCS_CLEAN" ]; then
67	rm -rf $EDARCS_TOP_DIR/$EDARCS_LOCALREPO
68	fi
69
70	# create the top dir if needed
71	if [ ! -d "$EDARCS_TOP_DIR" ]; then
72	# note that the addwrite statements in this block are only there to allow creating EDARCS_TOP_DIR;
73	# we've already allowed writing inside it
74	# this is because it's simpler than trying to find out the parent path of the directory, which
75	# would need to be the real path and not a symlink for things to work (so we can't just remove
76	# the last path element in the string)
77	debug-print "$FUNCNAME: checkout mode. creating darcs directory"
78	addwrite /foobar
79	addwrite /
80	mkdir -p "$EDARCS_TOP_DIR"
81	export SANDBOX_WRITE="${SANDBOX_WRITE//:\/foobar:\/}"
82	fi
83
84	# in case EDARCS_DARCS_DIR is a symlink to a dir, get the real
85	# dir's path, otherwise addwrite() doesn't work.
86	pushd .
87	cd -P "$EDARCS_TOP_DIR" > /dev/null
88	EDARCS_TOP_DIR="`/bin/pwd`"
89
90	# disable the sandbox for this dir
91	addwrite "$EDARCS_TOP_DIR"
92
93	# determine checkout or update mode and change to the right directory.
94	if [ ! -d "$EDARCS_TOP_DIR/$EDARCS_LOCALREPO/_darcs" ]; then
95	mode=get
96	cd "$EDARCS_TOP_DIR"
97	else
98	mode=update
99	cd "$EDARCS_TOP_DIR/$EDARCS_LOCALREPO"
100	fi
101
102	# commands to run
103	local cmdget="${EDARCS_DARCS_CMD} ${EDARCS_GET_CMD} ${EDARCS_OPTIONS} --repo-name=${EDARCS_LOCALREPO} ${EDARCS_REPOSITORY}"
104	local cmdupdate="${EDARCS_DARCS_CMD} ${EDARCS_UPDATE_CMD} --all ${EDARCS_OPTIONS} ${EDARCS_REPOSITORY}"
105
106	if [ "${mode}" == "get" ]; then
107	einfo "Running $cmdget"
108	eval $cmdget \|\| die "darcs get command failed"
109	elif [ "${mode}" == "update" ]; then
110	einfo "Running $cmdupdate"
111	eval $cmdupdate \|\| die "darcs update command failed"
112	fi
113
114	popd
115	}
116
117
118	darcs_src_unpack() {
119	local EDARCS_SHOPT
120
121	debug-print-function $FUNCNAME $*
122
123	debug-print "$FUNCNAME: init:
124	EDARCS_DARCS_CMD=$EDARCS_DARCS_CMD
125	EDARCS_GET_CMD=$EDARCS_GET_CMD
126	EDARCS_UPDATE_CMD=$EDARCS_UPDATE_CMD
127	EDARCS_OPTIONS=$EDARCS_OPTIONS
128	EDARCS_TOP_DIR=$EDARCS_TOP_DIR
129	EDARCS_REPOSITORY=$EDARCS_REPOSITORY
130	EDARCS_LOCALREPO=$EDARCS_LOCALREPO
131	EDARCS_CLEAN=$EDARCS_CLEAN"
132
133	einfo "Fetching darcs repository $EDARCS_REPOSITORY into $EDARCS_TOP_DIR..."
134	darcs_fetch
135
136	einfo "Copying $EDARCS_LOCALREPO from $EDARCS_TOP_DIR..."
137	debug-print "Copying $EDARCS_LOCALREPO from $EDARCS_TOP_DIR..."
138
139	# probably redundant, but best to make sure
140	# Use ${WORKDIR}/${P} rather than ${S} so user can point ${S} to something inside.
141	mkdir -p "${WORKDIR}/${P}"
142
143	EDARCS_SHOPT=$(shopt -p dotglob)
144	shopt -s dotglob # get any dotfiles too.
145	rsync -rlpgo --exclude="_darcs/" "$EDARCS_TOP_DIR/$EDARCS_LOCALREPO"/* "${WORKDIR}/${P}"
146	eval ${EDARCS_SHOPT} # reset shopt
147
148	einfo "Darcs repository contents are now in ${WORKDIR}/${P}"
149
150	}
151
152	EXPORT_FUNCTIONS src_unpack