From 1001b5d77c5dd7adc7bb2fcce8778364b88e5ea0 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Sun, 5 Jun 2016 20:45:25 +0200
Subject: [PATCH] scripts/getver.sh: allow conversion between git hash and
revision
Add code allowing easy conversion between git commit ids and revisions.
Example:
$ ./scripts/getver.sh
r792
$ ./scripts/getver.sh r123
b7fc892eb56b52d25bc00578af9d1ee058dcf6b3
$ ./scrpts/getver.sh b7fc892eb56b52d25bc00578af9d1ee058dcf6b3
r123
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
scripts/getver.sh | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/scripts/getver.sh b/scripts/getver.sh
index 340ed6862c..a60b91ede1 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)"
@@ -11,8 +13,22 @@ try_version() {
try_git() {
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 --count)"
+ REV="$(git rev-parse HEAD~$((BASE_REV - GET_REV)))"
+ ;;
+ *)
+
+ REV="$(git rev-list reboot..$GET_REV --count)"
+ REV="${REV:+r$REV}"
+ ;;
+ esac
+
[ -n "$REV" ]
}
--
GitLab