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Revision 1.18 Revision 1.35
1# Copyright 1999-2009 Gentoo Foundation 1# Copyright 1999-2009 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/git.eclass,v 1.18 2009/04/06 00:00:47 robbat2 Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/git.eclass,v 1.35 2010/01/13 20:04:19 scarabeus Exp $
4 4
5# @ECLASS: git.eclass 5# @ECLASS: git.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# Tomas Chvatal <scarabeus@gentoo.org> 7# Tomas Chvatal <scarabeus@gentoo.org>
8# Donnie Berkholz <dberkholz@gentoo.org> 8# Donnie Berkholz <dberkholz@gentoo.org>
9# @BLURB: This eclass provides functions for fetch and unpack git repozitories 9# @BLURB: This eclass provides functions for fetch and unpack git repositories
10# @DESCRIPTION: 10# @DESCRIPTION:
11# The eclass is based on subversion eclass. 11# The eclass is based on subversion eclass.
12# If you use this eclass, the ${S} is ${WORKDIR}/${P}. 12# If you use this eclass, the ${S} is ${WORKDIR}/${P}.
13# It is necessary to define the EGIT_REPO_URI variable at least. 13# It is necessary to define the EGIT_REPO_URI variable at least.
14# @THANKS TO: 14# @THANKS TO:
… …
18 18
19EGIT="git.eclass" 19EGIT="git.eclass"
20 20
21EXPORTED_FUNCTIONS="src_unpack" 21EXPORTED_FUNCTIONS="src_unpack"
22case "${EAPI:-0}" in 22case "${EAPI:-0}" in
23 2) EXPORT_FUNCTIONS="${EXPORTED_FUNCTIONS} src_prepare" ;; 23 2) EXPORTED_FUNCTIONS="${EXPORTED_FUNCTIONS} src_prepare" ;;
24 0|1) ;; 24 0|1) ;;
25 *) die "Unknown EAPI, Bug eclass maintainers." ;; 25 *) die "Unknown EAPI, Bug eclass maintainers." ;;
26esac 26esac
27EXPORT_FUNCTIONS ${EXPORTED_FUNCTIONS} 27EXPORT_FUNCTIONS ${EXPORTED_FUNCTIONS}
28 28
… …
39: ${EGIT_QUIET:="OFF"} 39: ${EGIT_QUIET:="OFF"}
40 40
41# @ECLASS-VARIABLE: EGIT_STORE_DIR 41# @ECLASS-VARIABLE: EGIT_STORE_DIR
42# @DESCRIPTION: 42# @DESCRIPTION:
43# Storage directory for git sources. 43# Storage directory for git sources.
44# Can be redefined.
44EGIT_STORE_DIR="${PORTAGE_ACTUAL_DISTDIR-${DISTDIR}}/git-src" 45[[ -z ${EGIT_STORE_DIR} ]] && EGIT_STORE_DIR="${PORTAGE_ACTUAL_DISTDIR-${DISTDIR}}/git-src"
45 46
46# @ECLASS-VARIABLE: EGIT_FETCH_CMD 47# @ECLASS-VARIABLE: EGIT_FETCH_CMD
47# @DESCRIPTION: 48# @DESCRIPTION:
48# Command for cloning the repository. 49# Command for cloning the repository.
49EGIT_FETCH_CMD="git clone --bare" 50: ${EGIT_FETCH_CMD:="git clone"}
50 51
51# @ECLASS-VARIABLE: EGIT_UPDATE_CMD 52# @ECLASS-VARIABLE: EGIT_UPDATE_CMD
52# @DESCRIPTION: 53# @DESCRIPTION:
53# Git fetch command. 54# Git fetch command.
54EGIT_UPDATE_CMD="git fetch -f -u" 55EGIT_UPDATE_CMD="git pull -f -u"
55 56
56# @ECLASS-VARIABLE: EGIT_DIFFSTAT_CMD 57# @ECLASS-VARIABLE: EGIT_DIFFSTAT_CMD
57# @DESCRIPTION: 58# @DESCRIPTION:
58# Git command for diffstat. 59# Git command for diffstat.
59EGIT_DIFFSTAT_CMD="git --no-pager diff --stat" 60EGIT_DIFFSTAT_CMD="git --no-pager diff --stat"
… …
72# https:// 73# https://
73# git:// 74# git://
74# git+ssh:// 75# git+ssh://
75# rsync:// 76# rsync://
76# ssh:// 77# ssh://
77: ${EGIT_REPO_URI:=} 78eval X="\$${PN//[-+]/_}_LIVE_REPO"
78 79if [[ ${X} = "" ]]; then
80 EGIT_REPO_URI=${EGIT_REPO_URI:=}
81else
82 EGIT_REPO_URI="${X}"
83fi
79# @ECLASS-VARIABLE: EGIT_PROJECT 84# @ECLASS-VARIABLE: EGIT_PROJECT
80# @DESCRIPTION: 85# @DESCRIPTION:
81# Project name of your ebuild. 86# Project name of your ebuild.
82# Git eclass will check out the git repository like: 87# Git eclass will check out the git repository like:
83# ${EGIT_STORE_DIR}/${EGIT_PROJECT}/${EGIT_REPO_URI##*/} 88# ${EGIT_STORE_DIR}/${EGIT_PROJECT}/${EGIT_REPO_URI##*/}
… …
85# http://git.collab.net/repo/git. and PN is subversion-git. 90# http://git.collab.net/repo/git. and PN is subversion-git.
86# it will check out like: 91# it will check out like:
87# ${EGIT_STORE_DIR}/subversion 92# ${EGIT_STORE_DIR}/subversion
88: ${EGIT_PROJECT:=${PN/-git}} 93: ${EGIT_PROJECT:=${PN/-git}}
89 94
90# @ECLASS-VARIABLE: EGIT_BOOSTRAP 95# @ECLASS-VARIABLE: EGIT_BOOTSTRAP
91# @DESCRIPTION: 96# @DESCRIPTION:
92# bootstrap script or command like autogen.sh or etc... 97# bootstrap script or command like autogen.sh or etc...
93: ${EGIT_BOOTSTRAP:=} 98: ${EGIT_BOOTSTRAP:=}
94 99
95# @ECLASS-VARIABLE: EGIT_OFFLINE 100# @ECLASS-VARIABLE: EGIT_OFFLINE
… …
106# Please take note that this variable should be bash array. 111# Please take note that this variable should be bash array.
107 112
108# @ECLASS-VARIABLE: EGIT_BRANCH 113# @ECLASS-VARIABLE: EGIT_BRANCH
109# @DESCRIPTION: 114# @DESCRIPTION:
110# git eclass can fetch any branch in git_fetch(). 115# git eclass can fetch any branch in git_fetch().
111: ${EGIT_BRANCH:=master} 116eval X="\$${PN//[-+]/_}_LIVE_BRANCH"
117if [[ ${X} = "" ]]; then
118 EGIT_BRANCH=${EGIT_BRANCH:=master}
119else
120 EGIT_BRANCH="${X}"
121fi
112 122
113# @ECLASS-VARIABLE: EGIT_TREE 123# @ECLASS-VARIABLE: EGIT_COMMIT
114# @DESCRIPTION: 124# @DESCRIPTION:
115# git eclass can checkout any tree. 125# git eclass can checkout any commit.
126eval X="\$${PN//[-+]/_}_LIVE_COMMIT"
127if [[ ${X} = "" ]]; then
116: ${EGIT_TREE:=${EGIT_BRANCH}} 128 : ${EGIT_COMMIT:=${EGIT_BRANCH}}
129else
130 EGIT_COMMIT="${X}"
131fi
117 132
118# @ECLASS-VARIABLE: EGIT_REPACK 133# @ECLASS-VARIABLE: EGIT_REPACK
119# @DESCRIPTION: 134# @DESCRIPTION:
120# git eclass will repack objects to save disk space. However this can take a 135# git eclass will repack objects to save disk space. However this can take a
121# long time with VERY big repositories. 136# long time with VERY big repositories.
122: ${EGIT_REPACK:=false} 137: ${EGIT_REPACK:=false}
123 138
124# @ECLASS-VARIABLE: EGIT_PRUNE 139# @ECLASS-VARIABLE: EGIT_PRUNE
125# @DESCRIPTION: 140# @DESCRIPTION:
126# git.eclass can prune the local clone. This is useful if upstream rewinds and 141# git eclass can prune the local clone. This is useful if upstream rewinds and
127# rebases branches too often. 142# rebases branches too often.
128: ${EGIT_PRUNE:=false} 143: ${EGIT_PRUNE:=false}
144
145# @FUNCTION: git_submodules
146# @DESCRIPTION:
147# Internal function wrapping the submodule initialisation and update
148git_sumbodules() {
149 debug-print "git submodule init"
150 git submodule init
151 debug-print "git submodule update"
152 git submodule update
153}
129 154
130# @FUNCTION: git_fetch 155# @FUNCTION: git_fetch
131# @DESCRIPTION: 156# @DESCRIPTION:
132# Gets repository from EGIT_REPO_URI and store it in specified EGIT_STORE_DIR 157# Gets repository from EGIT_REPO_URI and store it in specified EGIT_STORE_DIR
133git_fetch() { 158git_fetch() {
134 debug-print-function ${FUNCNAME} "$@" 159 debug-print-function ${FUNCNAME} "$@"
135 160
136 local EGIT_CLONE_DIR oldsha1 cursha1 161 local GIT_DIR EGIT_CLONE_DIR oldsha1 cursha1
137 162
138 # choose if user wants elog or just einfo. 163 # choose if user wants elog or just einfo.
139 if [[ ${EGIT_QUIET} != OFF ]]; then 164 if [[ ${EGIT_QUIET} != OFF ]]; then
140 elogcmd="einfo" 165 elogcmd="einfo"
141 else 166 else
142 elogcmd="elog" 167 elogcmd="elog"
143 fi 168 fi
144 169
145 # If we have same branch and the tree we can do --depth 1 clone 170 # If we have same branch and the tree we can do --depth 1 clone
146 # which outputs into really smaller data transfers. 171 # which outputs into really smaller data transfers.
147 # Sadly we can do shallow copy for now because quite few packages need .git 172 # Sadly we can do shallow copy for now because quite a few packages need .git
148 # folder. 173 # folder.
149 #[[ ${EGIT_TREE} = ${EGIT_BRANCH} ]] && \ 174 #[[ ${EGIT_COMMIT} = ${EGIT_BRANCH} ]] && \
150 # EGIT_FETCH_CMD="${EGIT_FETCH_CMD} --depth 1" 175 # EGIT_FETCH_CMD="${EGIT_FETCH_CMD} --depth 1"
176 if [[ ! -z ${EGIT_TREE} ]] ; then
177 EGIT_COMMIT=${EGIT_TREE}
178 eqawarn "Usage of deprecated EGIT_TREE variable detected."
179 eqawarn "Use EGIT_COMMIT variable instead."
180 fi
151 181
152 # EGIT_REPO_URI is empty. 182 # EGIT_REPO_URI is empty.
153 [[ -z ${EGIT_REPO_URI} ]] && die "${EGIT}: EGIT_REPO_URI is empty." 183 [[ -z ${EGIT_REPO_URI} ]] && die "${EGIT}: EGIT_REPO_URI is empty."
154 184
155 # check for the protocol or pull from a local repo. 185 # check for the protocol or pull from a local repo.
… …
179 [[ -z ${EGIT_REPO_URI##*/} ]] && EGIT_REPO_URI="${EGIT_REPO_URI%/}" 209 [[ -z ${EGIT_REPO_URI##*/} ]] && EGIT_REPO_URI="${EGIT_REPO_URI%/}"
180 EGIT_CLONE_DIR="${EGIT_PROJECT}" 210 EGIT_CLONE_DIR="${EGIT_PROJECT}"
181 211
182 debug-print "${FUNCNAME}: EGIT_OPTIONS = \"${EGIT_OPTIONS}\"" 212 debug-print "${FUNCNAME}: EGIT_OPTIONS = \"${EGIT_OPTIONS}\""
183 213
184 export GIT_DIR="${EGIT_STORE_DIR}/${EGIT_CLONE_DIR}" 214 GIT_DIR="${EGIT_STORE_DIR}/${EGIT_CLONE_DIR}"
215 pushd ${EGIT_STORE_DIR} &> /dev/null
216 # we also have to remove all shallow copied repositories
217 # and fetch them again
218 if [[ -e "${GIT_DIR}/shallow" ]]; then
219 rm -rf "${GIT_DIR}"
220 einfo "The ${EGIT_CLONE_DIR} was shallow copy. Refetching."
221 fi
222 # repack from bare copy to normal one
223 if [[ -d ${GIT_DIR} && ! -d "${GIT_DIR}/.git/" ]]; then
224 rm -rf "${GIT_DIR}"
225 einfo "The ${EGIT_CLONE_DIR} was bare copy. Refetching."
226 fi
185 227
186 if [[ ! -d ${EGIT_CLONE_DIR} ]] ; then 228 if [[ ! -d ${GIT_DIR} ]] ; then
187 # first clone 229 # first clone
188 ${elogcmd} "GIT NEW clone -->" 230 ${elogcmd} "GIT NEW clone -->"
189 ${elogcmd} " repository: ${EGIT_REPO_URI}" 231 ${elogcmd} " repository: ${EGIT_REPO_URI}"
190 232
233 debug-print "${EGIT_FETCH_CMD} ${EGIT_OPTIONS} \"${EGIT_REPO_URI}\" ${GIT_DIR}"
191 ${EGIT_FETCH_CMD} ${EGIT_OPTIONS} "${EGIT_REPO_URI}" ${EGIT_PROJECT} \ 234 ${EGIT_FETCH_CMD} ${EGIT_OPTIONS} "${EGIT_REPO_URI}" ${GIT_DIR} \
192 || die "${EGIT}: can't fetch from ${EGIT_REPO_URI}." 235 || die "${EGIT}: can't fetch from ${EGIT_REPO_URI}."
193 236
237 pushd "${GIT_DIR}" &> /dev/null
194 oldsha1=$(git rev-parse ${EGIT_BRANCH}) 238 cursha1=$(git rev-parse origin/${EGIT_BRANCH})
195 ${elogcmd} " at the commit: ${oldsha1}" 239 ${elogcmd} " at the commit: ${cursha1}"
196 240
197 # We use --bare cloning, so git doesn't do this for us. 241 git_sumbodules
198 git config remote.origin.url "${EGIT_REPO_URI}" 242 popd &> /dev/null
199 elif [[ -n ${EGIT_OFFLINE} ]] ; then 243 elif [[ -n ${EGIT_OFFLINE} ]] ; then
244 pushd "${GIT_DIR}" &> /dev/null
200 oldsha1=$(git rev-parse ${EGIT_BRANCH}) 245 cursha1=$(git rev-parse origin/${EGIT_BRANCH})
201 ${elogcmd} "GIT offline update -->" 246 ${elogcmd} "GIT offline update -->"
202 ${elogcmd} " repository: ${EGIT_REPO_URI}" 247 ${elogcmd} " repository: ${EGIT_REPO_URI}"
203 ${elogcmd} " at the commit: ${oldsha1}" 248 ${elogcmd} " at the commit: ${cursha1}"
249 popd &> /dev/null
204 else 250 else
251 pushd "${GIT_DIR}" &> /dev/null
205 # Git urls might change, so unconditionally set it here 252 # Git urls might change, so unconditionally set it here
206 git config remote.origin.url "${EGIT_REPO_URI}" 253 git config remote.origin.url "${EGIT_REPO_URI}"
207 254
208 # fetch updates 255 # fetch updates
209 ${elogcmd} "GIT update -->" 256 ${elogcmd} "GIT update -->"
210 ${elogcmd} " repository: ${EGIT_REPO_URI}" 257 ${elogcmd} " repository: ${EGIT_REPO_URI}"
211 258
212 oldsha1=$(git rev-parse ${EGIT_BRANCH}) 259 oldsha1=$(git rev-parse origin/${EGIT_BRANCH})
213 260
214 ${EGIT_UPDATE_CMD} ${EGIT_OPTIONS} origin ${EGIT_BRANCH}:${EGIT_BRANCH} \ 261 debug-print "${EGIT_UPDATE_CMD} ${EGIT_OPTIONS}"
262 ${EGIT_UPDATE_CMD} ${EGIT_OPTIONS} \
215 || die "${EGIT}: can't update from ${EGIT_REPO_URI}." 263 || die "${EGIT}: can't update from ${EGIT_REPO_URI}."
216 264
265 git_sumbodules
217 cursha1=$(git rev-parse ${EGIT_BRANCH}) 266 cursha1=$(git rev-parse origin/${EGIT_BRANCH})
218 267
219 # write out message based on the revisions 268 # write out message based on the revisions
220 if [[ ${oldsha1} != ${cursha1} ]]; then 269 if [[ ${oldsha1} != ${cursha1} ]]; then
221 ${elogcmd} " updating from commit: ${oldsha1}" 270 ${elogcmd} " updating from commit: ${oldsha1}"
222 ${elogcmd} " to commit: ${cursha1}" 271 ${elogcmd} " to commit: ${cursha1}"
223 else 272 else
224 ${elogcmd} " at the commit: ${cursha1}" 273 ${elogcmd} " at the commit: ${cursha1}"
274 # @ECLASS_VARIABLE: LIVE_FAIL_FETCH_IF_REPO_NOT_UPDATED
275 # @DESCRIPTION:
276 # If this variable is set to TRUE in make.conf or somewhere in
277 # enviroment the package will fail if there is no update, thus in
278 # combination with --keep-going it would lead in not-updating
279 # pakcages that are up-to-date.
280 # TODO: this can lead to issues if more projects/packages use same repo
281 [[ ${LIVE_FAIL_FETCH_IF_REPO_NOT_UPDATED} = true ]] && \
282 debug-print "${FUNCNAME}: Repository \"${EGIT_REPO_URI}\" is up-to-date. Skipping." && \
283 die "${EGIT}: Repository \"${EGIT_REPO_URI}\" is up-to-date. Skipping."
225 fi 284 fi
226 # piping through cat is needed to avoid a stupid Git feature
227 ${EGIT_DIFFSTAT_CMD} ${oldsha1}..${EGIT_BRANCH} 285 ${EGIT_DIFFSTAT_CMD} ${oldsha1}..origin/${EGIT_BRANCH}
286 popd &> /dev/null
228 fi 287 fi
229 288
289 pushd "${GIT_DIR}" &> /dev/null
230 if ${EGIT_REPACK} || ${EGIT_PRUNE} ; then 290 if ${EGIT_REPACK} || ${EGIT_PRUNE} ; then
231 ebegin "Garbage collecting the repository" 291 ebegin "Garbage collecting the repository"
232 git gc $(${EGIT_PRUNE} && echo '--prune') 292 git gc $(${EGIT_PRUNE} && echo '--prune')
233 eend $? 293 eend $?
234 fi 294 fi
295 popd &> /dev/null
235 296
297 # export the git version
298 export EGIT_VERSION="${cursha1}"
299
236 [[ ${EGIT_TREE} != ${EGIT_BRANCH} ]] && elog " tree: ${EGIT_TREE}" 300 [[ ${EGIT_COMMIT} != ${EGIT_BRANCH} ]] && elog " commit: ${EGIT_COMMIT}"
237 ${elogcmd} " branch: ${EGIT_BRANCH}" 301 ${elogcmd} " branch: ${EGIT_BRANCH}"
238 ${elogcmd} " storage directory: \"${EGIT_STORE_DIR}/${EGIT_CLONE_DIR}\"" 302 ${elogcmd} " storage directory: \"${GIT_DIR}\""
239 303
240 # export to the ${WORKDIR} 304 # unpack to the ${S}
241 mkdir -p "${S}" 305 popd &> /dev/null
306 debug-print "git clone -l \"${GIT_DIR}\" \"${S}\""
307 git clone -l "${GIT_DIR}" "${S}"
242 308
243 # git data are used in some packages for various variables definition. So we 309 # set correct branch and the tree ebuild specified
244 # copy also .git folder.
245 pushd "${S}" > /dev/null 310 pushd "${S}" > /dev/null
246 git clone --bare ${EGIT_STORE_DIR}/${EGIT_CLONE_DIR} .git 311 local branchname=branch-${EGIT_BRANCH} src=origin/${EGIT_BRANCH}
312 if [[ ${EGIT_COMMIT} != ${EGIT_BRANCH} ]]; then
313 branchname=tree-${EGIT_COMMIT}
314 src=${EGIT_COMMIT}
315 fi
316 debug-print "git checkout -b ${branchname} ${src}"
317 git checkout -b ${branchname} ${src} 2>&1 > /dev/null
318 git_sumbodules
247 popd > /dev/null 319 popd > /dev/null
248 320
249 git archive --format=tar ${EGIT_TREE} | ( cd "${S}" ; tar xf - ) 321 unset branchname src
250 322
251 echo ">>> Unpacked to ${S}" 323 echo ">>> Unpacked to ${S}"
252} 324}
253 325
254# @FUNCTION: git_bootstrap 326# @FUNCTION: git_bootstrap
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