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# Copyright 1999-2006 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/git.eclass,v 1.5 2007/04/10 11:42:29 vapier Exp $
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## --------------------------------------------------------------------------- #
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# subversion.eclass author: Akinori Hattori <hattya@gentoo.org>
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# modified for git by Donnie Berkholz <spyderous@gentoo.org>
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# improved by Fernando J. Pereda <ferdy@gentoo.org>
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#
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# The git eclass is written to fetch the software sources from
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# git repositories like the subversion eclass.
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#
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#
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# Description:
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# If you use this eclass, the ${S} is ${WORKDIR}/${P}.
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# It is necessary to define the EGIT_REPO_URI variable at least.
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#
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## --------------------------------------------------------------------------- #
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inherit eutils
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EGIT="git.eclass"
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EXPORT_FUNCTIONS src_unpack
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HOMEPAGE="http://git.or.cz/"
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DESCRIPTION="Based on the ${ECLASS} eclass"
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## -- add git in DEPEND
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#
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DEPEND=">=dev-util/git-1.5"
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## -- EGIT_STORE_DIR: git sources store directory
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#
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EGIT_STORE_DIR="${PORTAGE_ACTUAL_DISTDIR-${DISTDIR}}/git-src"
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## -- EGIT_FETCH_CMD: git clone command
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#
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EGIT_FETCH_CMD="git clone --bare"
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## -- EGIT_UPDATE_CMD: git fetch command
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#
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EGIT_UPDATE_CMD="git fetch -f -u"
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## -- EGIT_DIFFSTAT_CMD: Command to get diffstat output
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#
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EGIT_DIFFSTAT_CMD="git diff --stat"
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## -- EGIT_OPTIONS:
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#
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# the options passed to clone and fetch
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#
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: ${EGIT_OPTIONS:=}
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## -- EGIT_REPO_URI: repository uri
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#
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# e.g. http://foo, git://bar
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#
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# supported protocols:
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# http://
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# https://
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# git://
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# git+ssh://
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# rsync://
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# ssh://
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#
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: ${EGIT_REPO_URI:=}
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## -- EGIT_PROJECT: project name of your ebuild
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#
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# git eclass will check out the git repository like:
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#
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# ${EGIT_STORE_DIR}/${EGIT_PROJECT}/${EGIT_REPO_URI##*/}
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#
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# so if you define EGIT_REPO_URI as http://git.collab.net/repo/git or
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# http://git.collab.net/repo/git. and PN is subversion-git.
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# it will check out like:
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#
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# ${EGIT_STORE_DIR}/subversion
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#
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# default: ${PN/-git}.
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#
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: ${EGIT_PROJECT:=${PN/-git}}
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## -- EGIT_BOOTSTRAP:
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#
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# bootstrap script or command like autogen.sh or etc..
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#
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: ${EGIT_BOOTSTRAP:=}
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## -- EGIT_PATCHES:
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#
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# git eclass can apply pathces in git_bootstrap().
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# you can use regexp in this valiable like *.diff or *.patch or etc.
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# NOTE: this patches will apply before eval EGIT_BOOTSTRAP.
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#
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# the process of applying the patch is:
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# 1. just epatch it, if the patch exists in the path.
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# 2. scan it under FILESDIR and epatch it, if the patch exists in FILESDIR.
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# 3. die.
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#
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: ${EGIT_PATCHES:=}
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## -- EGIT_BRANCH:
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#
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# git eclass can fetch any branch in git_fetch().
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# Defaults to 'master'
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#
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: ${EGIT_BRANCH:=master}
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## -- EGIT_TREE:
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#
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# git eclass can checkout any tree.
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# Defaults to EGIT_BRANCH.
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#
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: ${EGIT_TREE:=${EGIT_BRANCH}}
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## - EGIT_REPACK:
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#
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# git eclass will repack objects to save disk space. However this can take a
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# long time with VERY big repositories. If this is your case set:
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# EGIT_REPACK=false
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#
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: ${EGIT_REPACK:=false}
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## - EGIT_PRUNE:
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#
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# git eclass can prune the local clone. This is useful if upstream rewinds and
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# rebases branches too often. If you don't want this to happen, set:
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# EGIT_PRUNE=false
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#
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: ${EGIT_PRUNE:=false}
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## -- git_fetch() ------------------------------------------------- #
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git_fetch() {
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local EGIT_CLONE_DIR
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# EGIT_REPO_URI is empty.
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[[ -z ${EGIT_REPO_URI} ]] && die "${EGIT}: EGIT_REPO_URI is empty."
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# check for the protocol or pull from a local repo.
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if [[ -z ${EGIT_REPO_URI%%:*} ]] ; then
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case ${EGIT_REPO_URI%%:*} in
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git*|http|https|rsync|ssh)
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;;
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*)
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die "${EGIT}: fetch from "${EGIT_REPO_URI%:*}" is not yet implemented."
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;;
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esac
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fi
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if [[ ! -d ${EGIT_STORE_DIR} ]] ; then
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debug-print "${FUNCNAME}: initial clone. creating git directory"
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addwrite /
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mkdir -p "${EGIT_STORE_DIR}" \
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|| die "${EGIT}: can't mkdir ${EGIT_STORE_DIR}."
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chmod -f o+rw "${EGIT_STORE_DIR}" \
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|| die "${EGIT}: can't chmod ${EGIT_STORE_DIR}."
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export SANDBOX_WRITE="${SANDBOX_WRITE%%:/}"
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fi
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cd -P "${EGIT_STORE_DIR}" || die "${EGIT}: can't chdir to ${EGIT_STORE_DIR}"
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EGIT_STORE_DIR=${PWD}
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# every time
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addwrite "${EGIT_STORE_DIR}"
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[[ -z ${EGIT_REPO_URI##*/} ]] && EGIT_REPO_URI="${EGIT_REPO_URI%/}"
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EGIT_CLONE_DIR="${EGIT_PROJECT}"
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debug-print "${FUNCNAME}: EGIT_OPTIONS = \"${EGIT_OPTIONS}\""
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export GIT_DIR="${EGIT_CLONE_DIR}"
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if [[ ! -d ${EGIT_CLONE_DIR} ]] ; then
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# first clone
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einfo "git clone start -->"
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einfo " repository: ${EGIT_REPO_URI}"
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${EGIT_FETCH_CMD} ${EGIT_OPTIONS} "${EGIT_REPO_URI}" ${EGIT_PROJECT} \
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|| die "${EGIT}: can't fetch from ${EGIT_REPO_URI}."
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# We use --bare cloning, so git doesn't do this for us.
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git repo-config remote.origin.url "${EGIT_REPO_URI}"
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else
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# fetch updates
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einfo "git update start -->"
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einfo " repository: ${EGIT_REPO_URI}"
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local oldsha1=$(git rev-parse ${EGIT_BRANCH})
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${EGIT_UPDATE_CMD} ${EGIT_OPTIONS} origin ${EGIT_BRANCH}:${EGIT_BRANCH} \
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|| die "${EGIT}: can't update from ${EGIT_REPO_URI}."
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# piping through cat is needed to avoid a stupid Git feature
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${EGIT_DIFFSTAT_CMD} ${oldsha1}..${EGIT_BRANCH} | cat
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fi
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einfo " local clone: ${EGIT_STORE_DIR}/${EGIT_CLONE_DIR}"
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if ${EGIT_REPACK} || ${EGIT_PRUNE} ; then
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ebegin "Garbage collecting the repository"
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git gc $(${EGIT_PRUNE} && echo '--prune')
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eend $?
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fi
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einfo " committish: ${EGIT_TREE}"
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# export to the ${WORKDIR}
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mkdir -p "${S}"
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git archive --format=tar ${EGIT_TREE} | ( cd "${S}" ; tar xf - )
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echo ">>> Unpacked to ${S}"
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}
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## -- git_bootstrap() ------------------------------------------------ #
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git_bootstrap() {
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local patch lpatch
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cd "${S}"
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if [[ -n ${EGIT_PATCHES} ]] ; then
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einfo "apply patches -->"
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for patch in ${EGIT_PATCHES} ; do
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if [[ -f ${patch} ]] ; then
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epatch ${patch}
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else
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for lpatch in "${FILESDIR}"/${patch} ; do
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if [[ -f ${lpatch} ]] ; then
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epatch ${lpatch}
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else
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die "${EGIT}: ${patch} is not found"
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fi
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done
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fi
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done
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echo
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fi
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if [[ -n ${EGIT_BOOTSTRAP} ]] ; then
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einfo "begin bootstrap -->"
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if [[ -f ${EGIT_BOOTSTRAP} ]] && [[ -x ${EGIT_BOOTSTRAP} ]] ; then
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einfo " bootstrap with a file: ${EGIT_BOOTSTRAP}"
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eval "./${EGIT_BOOTSTRAP}" \
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|| die "${EGIT}: can't execute EGIT_BOOTSTRAP."
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else
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einfo " bootstrap with commands: ${EGIT_BOOTSTRAP}"
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eval "${EGIT_BOOTSTRAP}" \
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|| die "${EGIT}: can't eval EGIT_BOOTSTRAP."
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fi
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fi
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}
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## -- git_src_unpack() ------------------------------------------------ #
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git_src_unpack() {
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git_fetch || die "${EGIT}: unknown problem in git_fetch()."
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git_bootstrap || die "${EGIT}: unknown problem in git_bootstrap()."
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}
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