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1# Copyright 2004 Gentoo Technologies, Inc. 1# Copyright 2011 Gentoo Technologies, Inc.
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/darcs.eclass,v 1.5 2007/06/17 21:33:57 kolmodin Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/darcs.eclass,v 1.11 2011/01/30 10:27:20 slyfox Exp $
4
5# @ECLASS: darcs.eclass
6# @MAINTAINER:
7# "Gentoo's Haskell Language team" <haskell@gentoo.org>
4# 8#
5# darcs eclass author: Andres Loeh <kosmikus@gentoo.org> 9# Sergei Trofimovich <slyfox@gentoo.org>
6# tla eclass author: <rphillips@gentoo.org>
7# Original Author: Jeffrey Yasskin <jyasskin@mail.utexas.edu>
8# 10#
9# Originally derived from the tla eclass, which is derived from the 11# Original Author: Jeffrey Yasskin <jyasskin@mail.utexas.edu>
10# cvs eclass. 12# @BLURB: This eclass provides functions for fetch and unpack darcs repositories
13# @DESCRIPTION:
14# This eclass provides the generic darcs fetching functions.
11# 15#
12# This eclass provides the generic darcs fetching functions. 16# Define the EDARCS_REPOSITORY variable at least.
13# to use from an ebuild, set the 'ebuild-configurable settings' below in your 17# The ${S} variable is set to ${WORKDIR}/${P}.
14# ebuild before inheriting. then either leave the default src_unpack or extend 18# @THANKS TO:
15# over darcs_src_unpack. 19# <rphillips@gentoo.org> (tla eclass author)
20# Andres Loeh <kosmikus@gentoo.org> (darcs.eclass author)
21# Alexander Vershilov <alexander.vershilov@gmail.com> (various contributions)
16 22
17# Most of the time, you will define only $EDARCS_REPOSITORY in your 23# TODO:
18# ebuild.
19 24
20# TODO: support for tags, ... 25# support for tags
26
27inherit eutils # eshopts_{push,pop}
21 28
22# Don't download anything other than the darcs repository 29# Don't download anything other than the darcs repository
23SRC_URI="" 30SRC_URI=""
24 31
25# You shouldn't change these settings yourself! The ebuild/eclass inheriting 32# You shouldn't change these settings yourself! The ebuild/eclass inheriting
26# this eclass will take care of that. 33# this eclass will take care of that.
27 34
28# --- begin ebuild-configurable settings 35# --- begin ebuild-configurable settings
29 36
30# darcs command to run 37# darcs command to run
31[ -z "$EDARCS_DARCS_CMD" ] && EDARCS_DARCS_CMD="darcs" 38# @ECLASS-VARIABLE: EDARCS_DARCS_CMD
39# @DESCRIPTION:
40# Path to darcs binary.
41: ${EDARCS_DARCS_CMD:=darcs}
32 42
33# darcs commands with command-specific options 43# darcs commands with command-specific options
34[ -z "$EDARCS_GET_CMD" ] && EDARCS_GET_CMD="get --partial"
35[ -z "$EDARCS_UPDATE_CMD" ] && EDARCS_UPDATE_CMD="pull"
36 44
45# @ECLASS-VARIABLE: EDARCS_GET_CMD
46# @DESCRIPTION:
47# First fetch darcs command.
48: ${EDARCS_GET_CMD:=get --partial}
49
50# @ECLASS-VARIABLE: EDARCS_UPDATE_CMD
51# @DESCRIPTION:
52# Repo update darcs command.
53: ${EDARCS_UPDATE_CMD:=pull}
54
55# @ECLASS-VARIABLE: EDARCS_OPTIONS
56# @DESCRIPTION:
37# options to pass to both the "get" and "update" commands 57# Options to pass to both the "get" and "update" commands
38[ -z "$EDARCS_OPTIONS" ] && EDARCS_OPTIONS="--set-scripts-executable" 58: ${EDARCS_OPTIONS:=--set-scripts-executable}
39 59
60# @ECLASS-VARIABLE: EDARCS_TOP_DIR
61# @DESCRIPTION:
40# Where the darcs repositories are stored/accessed 62# Where the darcs repositories are stored/accessed
41[ -z "$EDARCS_TOP_DIR" ] && EDARCS_TOP_DIR="${PORTAGE_ACTUAL_DISTDIR-${DISTDIR}}/darcs-src" 63: ${EDARCS_TOP_DIR:=${PORTAGE_ACTUAL_DISTDIR-${DISTDIR}}/darcs-src}
42 64
65# @ECLASS-VARIABLE: EDARCS_REPOSITORY
66# @DESCRIPTION:
43# The URI to the repository. 67# The URI to the repository.
44[ -z "$EDARCS_REPOSITORY" ] && EDARCS_REPOSITORY="" 68: ${EDARCS_REPOSITORY:=}
45 69
46# The local directory to store the repository (useful to ensure a 70# @ECLASS-VARIABLE: EDARCS_OFFLINE
47# unique local name); relative to EDARCS_TOP_DIR 71# @DESCRIPTION:
48[ -z "$EDARCS_LOCALREPO" ] && [ -n "$EDARCS_REPOSITORY" ] \ 72# Set this variable to a non-empty value to disable the automatic updating of
49 && EDARCS_LOCALREPO=${EDARCS_REPOSITORY%/} \ 73# a darcs repository. this is intended to be set outside the darcs source
50 && EDARCS_LOCALREPO=${EDARCS_LOCALREPO##*/} 74# tree by users.
75: ${EDARCS_OFFLINE:=${ESCM_OFFLINE}}
51 76
77# @ECLASS-VARIABLE: EDARCS_CLEAN
78# @DESCRIPTION:
52# EDARCS_CLEAN: set this to something to get a clean copy when updating 79# Set this to something to get a clean copy when updating
53# (removes the working directory, then uses $EDARCS_GET_CMD to 80# (removes the working directory, then uses EDARCS_GET_CMD to
54# re-download it.) 81# re-download it.)
82: ${EDARCS_CLEAN:=}
55 83
56# --- end ebuild-configurable settings --- 84# --- end ebuild-configurable settings ---
57 85
58# add darcs to deps 86# add darcs to deps
59DEPEND="dev-util/darcs" 87DEPEND="dev-vcs/darcs"
60 88
89# @FUNCTION: darcs_patchcount
90# @DESCRIPTION:
91# Internal function to determine amount of patches in repository.
92darcs_patchcount() {
93 set -- $(${EDARCS_DARCS_CMD} show repo | grep "Num Patches")
94 # handle string like: " Num Patches: 3860"
95 echo ${3}
96}
97
98# @FUNCTION: darcs_fetch
99# @DESCRIPTION:
61# is called from darcs_src_unpack 100# Internal function is called from darcs_src_unpack
62darcs_fetch() { 101darcs_fetch() {
102 # The local directory to store the repository (useful to ensure a
103 # unique local name); relative to EDARCS_TOP_DIR
104 [[ -z ${EDARCS_LOCALREPO} ]] && [[ -n ${EDARCS_REPOSITORY} ]] \
105 && EDARCS_LOCALREPO=${EDARCS_REPOSITORY%/} \
106 && EDARCS_LOCALREPO=${EDARCS_LOCALREPO##*/}
63 107
64 debug-print-function $FUNCNAME $* 108 debug-print-function ${FUNCNAME} $*
65 109
66 if [ -n "$EDARCS_CLEAN" ]; then 110 if [[ -n ${EDARCS_CLEAN} ]]; then
111 addwrite "${EDARCS_TOP_DIR}/${EDARCS_LOCALREPO}"
67 rm -rf $EDARCS_TOP_DIR/$EDARCS_LOCALREPO 112 rm -rf "${EDARCS_TOP_DIR}/${EDARCS_LOCALREPO}"
68 fi 113 fi
69 114
70 # create the top dir if needed 115 # create the top dir if needed
71 if [ ! -d "$EDARCS_TOP_DIR" ]; then 116 if [[ ! -d ${EDARCS_TOP_DIR} ]]; then
72 # note that the addwrite statements in this block are only there to allow creating EDARCS_TOP_DIR; 117 # note that the addwrite statements in this block are only there to allow creating EDARCS_TOP_DIR;
73 # we've already allowed writing inside it 118 # we've already allowed writing inside it
74 # this is because it's simpler than trying to find out the parent path of the directory, which 119 # this is because it's simpler than trying to find out the parent path of the directory, which
75 # would need to be the real path and not a symlink for things to work (so we can't just remove 120 # would need to be the real path and not a symlink for things to work (so we can't just remove
76 # the last path element in the string) 121 # the last path element in the string)
77 debug-print "$FUNCNAME: checkout mode. creating darcs directory" 122 debug-print "${FUNCNAME}: checkout mode. creating darcs directory"
78 addwrite /foobar 123 addwrite /foobar
79 addwrite / 124 addwrite /
80 mkdir -p "$EDARCS_TOP_DIR" 125 mkdir -p "${EDARCS_TOP_DIR}"
81 export SANDBOX_WRITE="${SANDBOX_WRITE//:\/foobar:\/}" 126 export SANDBOX_WRITE="${SANDBOX_WRITE//:\/foobar:\/}"
82 fi 127 fi
83 128
84 # in case EDARCS_DARCS_DIR is a symlink to a dir, get the real 129 # in case EDARCS_DARCS_DIR is a symlink to a dir, get the real
85 # dir's path, otherwise addwrite() doesn't work. 130 # dir's path, otherwise addwrite() doesn't work.
86 pushd . 131 pushd .
87 cd -P "$EDARCS_TOP_DIR" > /dev/null 132 cd -P "${EDARCS_TOP_DIR}" > /dev/null
88 EDARCS_TOP_DIR="`/bin/pwd`" 133 EDARCS_TOP_DIR="`/bin/pwd`"
89 134
90 # disable the sandbox for this dir 135 # disable the sandbox for this dir
91 addwrite "$EDARCS_TOP_DIR" 136 addwrite "${EDARCS_TOP_DIR}"
92 137
93 # determine checkout or update mode and change to the right directory. 138 # determine checkout or update mode and change to the right directory.
94 if [ ! -d "$EDARCS_TOP_DIR/$EDARCS_LOCALREPO/_darcs" ]; then 139 if [[ ! -d "${EDARCS_TOP_DIR}/${EDARCS_LOCALREPO}/_darcs" ]]; then
95 mode=get 140 mode=get
96 cd "$EDARCS_TOP_DIR" 141 cd "${EDARCS_TOP_DIR}"
97 else 142 else
98 mode=update 143 mode=update
99 cd "$EDARCS_TOP_DIR/$EDARCS_LOCALREPO" 144 cd "${EDARCS_TOP_DIR}/${EDARCS_LOCALREPO}"
100 fi 145 fi
101 146
102 # commands to run 147 # commands to run
103 local cmdget="${EDARCS_DARCS_CMD} ${EDARCS_GET_CMD} ${EDARCS_OPTIONS} --repo-name=${EDARCS_LOCALREPO} ${EDARCS_REPOSITORY}" 148 local cmdget="${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} ${EDARCS_REPOSITORY}" 149 local cmdupdate="${EDARCS_DARCS_CMD} ${EDARCS_UPDATE_CMD} --all ${EDARCS_OPTIONS} ${EDARCS_REPOSITORY}"
105 150
106 if [ "${mode}" == "get" ]; then 151 if [[ ${mode} == "get" ]]; then
107 einfo "Running $cmdget" 152 einfo "Running ${cmdget}"
108 eval $cmdget || die "darcs get command failed" 153 eval ${cmdget} || die "darcs get command failed"
154 elif [[ -n ${EDARCS_OFFLINE} ]] ; then
155 einfo "Offline update"
109 elif [ "${mode}" == "update" ]; then 156 elif [[ ${mode} == "update" ]]; then
110 einfo "Running $cmdupdate" 157 einfo "Running ${cmdupdate}"
111 eval $cmdupdate || die "darcs update command failed" 158 eval ${cmdupdate} || die "darcs update command failed"
112 fi 159 fi
160
161 export EDARCS_PATCHCOUNT=$(darcs_patchcount)
162 einfo " patches in repo: ${EDARCS_PATCHCOUNT}"
113 163
114 popd 164 popd
115} 165}
116 166
117 167# @FUNCTION: darcs_src_unpack
168# @DESCRIPTION:
169# src_upack function
118darcs_src_unpack() { 170darcs_src_unpack() {
119 local EDARCS_SHOPT 171 # The local directory to store the repository (useful to ensure a
172 # unique local name); relative to EDARCS_TOP_DIR
173 [[ -z ${EDARCS_LOCALREPO} ]] && [[ -n ${EDARCS_REPOSITORY} ]] \
174 && EDARCS_LOCALREPO=${EDARCS_REPOSITORY%/} \
175 && EDARCS_LOCALREPO=${EDARCS_LOCALREPO##*/}
120 176
121 debug-print-function $FUNCNAME $* 177 debug-print-function ${FUNCNAME} $*
122 178
123 debug-print "$FUNCNAME: init: 179 debug-print "${FUNCNAME}: init:
124 EDARCS_DARCS_CMD=$EDARCS_DARCS_CMD 180 EDARCS_DARCS_CMD=${EDARCS_DARCS_CMD}
125 EDARCS_GET_CMD=$EDARCS_GET_CMD 181 EDARCS_GET_CMD=${EDARCS_GET_CMD}
126 EDARCS_UPDATE_CMD=$EDARCS_UPDATE_CMD 182 EDARCS_UPDATE_CMD=${EDARCS_UPDATE_CMD}
127 EDARCS_OPTIONS=$EDARCS_OPTIONS 183 EDARCS_OPTIONS=${EDARCS_OPTIONS}
128 EDARCS_TOP_DIR=$EDARCS_TOP_DIR 184 EDARCS_TOP_DIR=${EDARCS_TOP_DIR}
129 EDARCS_REPOSITORY=$EDARCS_REPOSITORY 185 EDARCS_REPOSITORY=${EDARCS_REPOSITORY}
130 EDARCS_LOCALREPO=$EDARCS_LOCALREPO 186 EDARCS_LOCALREPO=${EDARCS_LOCALREPO}
131 EDARCS_CLEAN=$EDARCS_CLEAN" 187 EDARCS_CLEAN=${EDARCS_CLEAN}"
132 188
133 einfo "Fetching darcs repository $EDARCS_REPOSITORY into $EDARCS_TOP_DIR..." 189 einfo "Fetching darcs repository ${EDARCS_REPOSITORY} into ${EDARCS_TOP_DIR}..."
134 darcs_fetch 190 darcs_fetch
135 191
136 einfo "Copying $EDARCS_LOCALREPO from $EDARCS_TOP_DIR..." 192 einfo "Copying ${EDARCS_LOCALREPO} from ${EDARCS_TOP_DIR}..."
137 debug-print "Copying $EDARCS_LOCALREPO from $EDARCS_TOP_DIR..." 193 debug-print "Copying ${EDARCS_LOCALREPO} from ${EDARCS_TOP_DIR}..."
138 194
139 # probably redundant, but best to make sure 195 # probably redundant, but best to make sure
140 # Use ${WORKDIR}/${P} rather than ${S} so user can point ${S} to something inside. 196 # Use ${WORKDIR}/${P} rather than ${S} so user can point ${S} to something inside.
141 mkdir -p "${WORKDIR}/${P}" 197 mkdir -p "${WORKDIR}/${P}"
142 198
143 EDARCS_SHOPT=$(shopt -p dotglob)
144 shopt -s dotglob # get any dotfiles too. 199 eshopts_push -s dotglob # get any dotfiles too.
145 cp -Rf "$EDARCS_TOP_DIR/$EDARCS_LOCALREPO"/* "${WORKDIR}/${P}" 200 rsync -rlpgo --exclude="_darcs/" "${EDARCS_TOP_DIR}/${EDARCS_LOCALREPO}"/* "${WORKDIR}/${P}"
146 eval ${EDARCS_SHOPT} # reset shopt 201 eshopts_pop
147 202
148 einfo "Darcs repository contents are now in ${WORKDIR}/${P}" 203 einfo "Darcs repository contents are now in ${WORKDIR}/${P}"
149 204
150} 205}
151 206

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