KumiSystems/openwrtv4
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scripts/getver.sh: allow conversion between git hash and revision

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Add code allowing easy conversion between git commit ids and revisions.

Example:

$ ./scripts/getver.sh
r792
$ ./scripts/getver.sh r123
b7fc892eb5
$ ./scrpts/getver.sh b7fc892eb5
r123

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
This commit is contained in:
Jonas Gorski 2016-06-05 20:45:25 +02:00
parent 575be9d182
commit 1001b5d77c
1 changed files with 18 additions and 2 deletions
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20
scripts/getver.sh
View file

@ -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" ]
}