From d94e4fb7abee235675bb1cb6a8808007e7919e48 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Fri, 8 Jun 2012 22:54:36 -0400
Subject: [PATCH] add reference support, and initialize e-mail

---
 .bin/cros-repo | 67 +++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 52 insertions(+), 15 deletions(-)

diff --git a/.bin/cros-repo b/.bin/cros-repo
index 6f51357..3da6b5c 100755
--- a/.bin/cros-repo
+++ b/.bin/cros-repo
@@ -2,37 +2,74 @@
 
 usage() {
 	cat <<-EOF
-	Usage: repo-cros [dir] <command> [command opts]
+	Usage: repo-cros [options]
 
-	Commands:
+	Options:
 	   int            switch to internal tree
 	   ext            switch to external tree
-	   -b <branch>    switch branches
+	   -b <branch>    switch branches (use "master" to get to ToT)
+	   -r <path>      patch to reference repo (e.g. ~/chromiumos/)
+
+	Operates on the repo in ${PWD}
 	EOF
 	exit ${1:-1}
 }
-[[ $# -eq 0 ]] && usage
 
 vexec() {
-	cd ${DIR:-~/chromiumos}
 	printf '%s\n%s\n' "${PWD}" "$*"
 	exec "$@"
 }
 
-DIR=
+email="vapier@chromium.org"
+REF=
+BRANCH=
+MANIFEST=
+REPO_URL=
 while [[ $# -gt 0 ]] ; do
 	case $1 in
-	int) vexec repo init -u ssh://gerrit-int.chromium.org:29419/chromeos/manifest-internal.git --repo-url='http://git.chromium.org/external/repo.git' ;;
-	ext) vexec repo init -u http://git.chromium.org/chromiumos/manifest.git --repo-url http://git.chromium.org/external/repo.git ;;
-	-b)  vexec repo init -b $2 ;;
+	int)
+		MANIFEST='ssh://gerrit-int.chromium.org:29419/chromeos/manifest-internal.git'
+		REPO_URL='http://git.chromium.org/external/repo.git'
+		;;
+	ext)
+		MANIFEST='http://git.chromium.org/chromiumos/manifest.git'
+		REPO_URL='http://git.chromium.org/external/repo.git'
+		;;
+	-b)
+		BRANCH=$2
+		shift
+		;;
+	-r)
+		REF=$(realpath "$2")
+		shift
+		;;
 	*)
-		if [[ -z ${DIR} ]] ; then
-			DIR=$1
-		else
-			usage
-		fi
+		usage
 		;;
 	esac
 	shift
 done
-exit 0
+
+rdir=$(realpath "`pwd`")
+while [[ ! -d ${rdir}/.repo ]] ; do
+	rdir=${rdir%/*}
+	[[ ${rdir:-/} == "/" ]] && break
+done
+rdir+="/.repo"
+if [[ -d ${rdir} ]] ; then
+	gcfg() { git --git-dir="$1" config user.email "${@:2}" ; }
+	if [[ $(gcfg "${rdir}/manifests.git") != "${email}" ]] ; then
+		echo "${rdir}: setting e-mail to ${email}"
+		find "${rdir}" -type d -name '*.git' | \
+		while read d ; do
+			gcfg "${d}" ${email}
+		done
+	fi
+fi
+
+vexec \
+	repo init \
+	${MANIFEST:+-u "${MANIFEST}"} \
+	${REPO_URL:+--repo-url="${REPO_URL}"} \
+	${REF:+--reference "${REF}"} \
+	${BRANCH:+-b "${BRANCH}"}
-- 
2.39.5