X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=scripts%2Fgetver.sh;h=9175f411db8345ab420fdb1edcaf0d20f858f12f;hp=340ed6862cf7cc566262ea64bfdc33196926fc4d;hb=ae1ae07513328aa5a1ba9b9477eb1a33f8837994;hpb=575be9d18259560b40039ee0e4bf6d6ce109fca6

diff --git a/scripts/getver.sh b/scripts/getver.sh
index 340ed6862c..9175f411db 100755
--- a/scripts/getver.sh
+++ b/scripts/getver.sh
@@ -3,6 +3,8 @@ export LANG=C
 export LC_ALL=C
 [ -n "$TOPDIR" ] && cd $TOPDIR
 
+GET_REV=$1
+
 try_version() {
 	[ -f version ] || return 1
 	REV="$(cat version)"
@@ -10,9 +12,39 @@ try_version() {
 }
 
 try_git() {
+	REBOOT=ee53a240ac902dc83209008a2671e7fdcf55957a
 	git rev-parse --git-dir >/dev/null 2>&1 || return 1
-	REV="$(git rev-list reboot..HEAD --count)"
-	REV="${REV:+r$REV}"
+
+	[ -n "$GET_REV" ] || GET_REV="HEAD"
+
+	case "$GET_REV" in
+	r*)
+		GET_REV="$(echo $GET_REV | tr -d 'r')"
+		BASE_REV="$(git rev-list ${REBOOT}..HEAD | wc -l | awk '{print $1}')"
+		REV="$(git rev-parse HEAD~$((BASE_REV - GET_REV)))"
+		;;
+	*)
+		BRANCH="$(git rev-parse --abbrev-ref HEAD)"
+		ORIGIN="$(git rev-parse --verify --symbolic-full-name ${BRANCH}@{u} 2>/dev/null)"
+		[ -n "$ORIGIN" ] || ORIGIN="$(git rev-parse --verify --symbolic-full-name master@{u} 2>/dev/null)"
+		REV="$(git rev-list ${REBOOT}..$GET_REV | wc -l | awk '{print $1}')"
+
+		if [ -n "$ORIGIN" ]; then
+			UPSTREAM_BASE="$(git merge-base $GET_REV $ORIGIN)"
+			UPSTREAM_REV="$(git rev-list ${REBOOT}..$UPSTREAM_BASE | wc -l | awk '{print $1}')"
+		else
+			UPSTREAM_REV=0
+		fi
+
+		if [ "$REV" -gt "$UPSTREAM_REV" ]; then
+			REV="${UPSTREAM_REV}+$((REV - UPSTREAM_REV))"
+		fi
+
+		REV="${REV:+r$REV-$(git log -n 1 --format="%h" $UPSTREAM_BASE)}"
+
+		;;
+	esac
+
 	[ -n "$REV" ]
 }