Add bzr.eclass, taken from xeffects overlay.

svn path=/emacs-overlay/; revision=907

1 files changed, 237 insertions, 0 deletions

diff --git a/eclass/bzr.eclass b/eclass/bzr.eclass
new file mode 100644
index 0000000..ebdfb20
--- /dev/null
+++ b/eclass/bzr.eclass
@@ -0,0 +1,237 @@
+# Copyright 1999-2007 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+#
+# Originally derived from the git eclass
+#
+# Just set EBZR_REPO_URI to the url of the branch and the src_unpack this
+# eclass provides will put an export of the branch in ${WORKDIR}/${PN}.
+
+inherit eutils
+
+EBZR="bzr.eclass"
+
+EXPORT_FUNCTIONS src_unpack
+
+HOMEPAGE="http://bazaar-vcs.org/"
+DESCRIPTION="Based on the ${GIT} eclass"
+
+## -- add bzr in DEPEND
+#
+DEPEND="dev-util/bzr"
+
+
+## -- EBZR_STORE_DIR:  bzr sources store directory
+#
+EBZR_STORE_DIR="${PORTAGE_ACTUAL_DISTDIR-${DISTDIR}}/bzr-src"
+
+
+## -- EBZR_FETCH_CMD:  bzr fetch command
+#
+EBZR_FETCH_CMD="bzr checkout"
+
+## -- EBZR_UPDATE_CMD:  bzr update command
+#
+EBZR_UPDATE_CMD="bzr update"
+
+## -- EBZR_DIFFSTAT_CMD: Command to get diffstat output
+#
+EBZR_DIFFSTAT_CMD="bzr diff"
+
+## -- EBZR_EXPORT_CMD: Command to export branch
+#
+EBZR_EXPORT_CMD="bzr export"
+
+## -- EBZR_REVNO_CMD: Command to list revision number of branch
+#
+EBZR_REVNO_CMD="bzr revno"
+
+## -- EBZR_OPTIONS:
+#
+# the options passed to branch and merge
+#
+: ${EBZR_OPTIONS:=}
+
+
+## -- EBZR_REPO_URI:  repository uri
+#
+# e.g. http://foo, sftp://bar
+#
+# supported protocols:
+#   http://
+#   https://
+#   sftp://
+#   rsync://
+#
+: ${EBZR_REPO_URI:=}
+
+
+## -- EBZR_BOOTSTRAP:
+#
+# bootstrap script or command like autogen.sh or etc..
+#
+: ${EBZR_BOOTSTRAP:=}
+
+
+## -- EBZR_PATCHES:
+#
+# bzr eclass can apply patches in git_bootstrap().
+# you can use regexp in this valiable like *.diff or *.patch or etc.
+# NOTE: this patches will apply before eval EGIT_BOOTSTRAP.
+#
+# the process of applying the patch is:
+#   1. just epatch it, if the patch exists in the path.
+#   2. scan it under FILESDIR and epatch it, if the patch exists in FILESDIR.
+#   3. die.
+#
+: ${EBZR_PATCHES:=}
+
+
+## -- EBZR_BRANCH:
+#
+# bzr eclass can fetch any branch in bzr_fetch().
+# Defaults to 'trunk'
+#
+: ${EBZR_BRANCH:=trunk}
+
+
+## -- EBZR_REVISION:
+#
+# Revision to get, if not latest (see http://bazaar-vcs.org/BzrRevisionSpec)
+#
+: ${EBZR_REVISION:=}
+
+
+## -- EBZR_CACHE_DIR:
+#
+# The location in which to cache the version, relative to EBZR_STORE_DIR.
+#
+: ${EBZR_CACHE_DIR:=${PN}}
+
+
+## -- bzr_fetch() ------------------------------------------------- #
+
+bzr_fetch() {
+
+	local EBZR_BRANCH_DIR
+
+	# EBZR_REPO_URI is empty.
+	[[ -z ${EBZR_REPO_URI} ]] && die "${EBZR}: EBZR_REPO_URI is empty."
+
+	# check for the protocol or pull from a local repo.
+	if [[ -z ${EBZR_REPO_URI%%:*} ]] ; then
+		case ${EBZR_REPO_URI%%:*} in
+			http|https|rsync|sftp)
+				;;
+			*)
+				die "${EBZR}: fetch from ${EBZR_REPO_URI%:*} is not yet implemented."
+				;;
+		esac
+	fi
+
+	if [[ ! -d ${EBZR_STORE_DIR} ]] ; then
+		debug-print "${FUNCNAME}: initial branch. creating bzr directory"
+		addwrite /
+		mkdir -p "${EBZR_STORE_DIR}" \
+			|| die "${EBZR}: can't mkdir ${EBZR_STORE_DIR}."
+		chmod -f o+rw "${EBZR_STORE_DIR}" \
+			|| die "${EBZR}: can't chmod ${EBZR_STORE_DIR}."
+		export SANDBOX_WRITE="${SANDBOX_WRITE%%:/}"
+	fi
+
+
+
+	cd -P "${EBZR_STORE_DIR}" || die "${EBZR}: can't chdir to ${EBZR_STORE_DIR}"
+
+	# every time
+	addwrite "${EBZR_STORE_DIR}"
+
+	EBZR_BRANCH_DIR="${EBZR_STORE_DIR}/${EBZR_CACHE_DIR}"
+
+	addwrite "${EBZR_BRANCH_DIR}"
+
+	debug-print "${FUNCNAME}: EBZR_OPTIONS = ${EBZR_OPTIONS}"
+
+	if [[ ! -d ${EBZR_BRANCH_DIR} || ${EBZR_REVISION} ]] ; then
+		# fetch branch
+		einfo "bzr branch start -->"
+		einfo "   repository: ${EBZR_REPO_URI}${EBZR_BRANCH}"
+
+		${EBZR_FETCH_CMD} ${EBZR_OPTIONS} "${EBZR_REPO_URI}${EBZR_BRANCH}" ${EBZR_BRANCH_DIR} \
+			|| die "${EBZR}: can't branch from ${EBZR_REPO_URI}${EBZR_BRANCH}."
+
+	else
+		# update branch
+		einfo "bzr merge start -->"
+		einfo "   repository: ${EBZR_REPO_URI}${EBZR_BRANCH}"
+
+		cd "${EBZR_BRANCH_DIR}"
+		${EBZR_UPDATE_CMD} ${EBZR_OPTIONS} \
+			|| die "${EBZR}: can't merge from ${EBZR_REPO_URI}${EBZR_BRANCH}."
+		${EBZR_DIFFSTAT_CMD}
+	fi
+
+	cd "${EBZR_BRANCH_DIR}"
+
+	einfo "exporting..."
+	${EBZR_EXPORT_CMD} ${EBZR_REVISION:+-r ${EBZR_REVISION}} "${WORKDIR}/${P}" \
+			|| die "${EBZR}: export failed"
+
+	einfo "Revision ${EBZR_REVNO_COMMAND} is now in ${WORKDIR}/${P}"
+
+	cd "${WORKDIR}"
+}
+
+
+## -- bzr_bootstrap() ------------------------------------------------ #
+
+bzr_bootstrap() {
+
+	local patch lpatch
+
+	cd "${S}"
+
+	if [[ -n ${EBZR_PATCHES} ]] ; then
+		einfo "apply patches -->"
+
+		for patch in ${EBZR_PATCHES} ; do
+			if [[ -f ${patch} ]] ; then
+				epatch ${patch}
+			else
+				for lpatch in "${FILESDIR}"/${patch} ; do
+					if [[ -f ${lpatch} ]] ; then
+						epatch ${lpatch}
+					else
+						die "${EBZR}: ${patch} is not found"
+					fi
+				done
+			fi
+		done
+		echo
+	fi
+
+	if [[ -n ${EBZR_BOOTSTRAP} ]] ; then
+		einfo "begin bootstrap -->"
+
+		if [[ -f ${EBZR_BOOTSTRAP} ]] && [[ -x ${EBZR_BOOTSTRAP} ]] ; then
+			einfo "   bootstrap with a file: ${EBZR_BOOTSTRAP}"
+			eval "./${EBZR_BOOTSTRAP}" \
+				|| die "${EBZR}: can't execute EBZR_BOOTSTRAP."
+		else
+			einfo "   bootstrap with commands: ${EBZR_BOOTSTRAP}"
+			eval "${EBZR_BOOTSTRAP}" \
+				|| die "${EBZR}: can't eval EBZR_BOOTSTRAP."
+		fi
+	fi
+
+}
+
+
+## -- bzr_src_unpack() ------------------------------------------------ #
+
+bzr_src_unpack() {
+
+	bzr_fetch     || die "${EBZR}: unknown problem in bzr_fetch()."
+	bzr_bootstrap || die "${EBZR}: unknown problem in bzr_bootstrap()."
+
+}