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kbuild: tag with git revision when git describe is missing

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setlocalversion used to use an abbreviated git commit sha1 to generate the
tag.  This was changed in commit d882421f4e
"kbuild: change CONFIG_LOCALVERSION_AUTO to use a git-describe-ish format"
to use git describe to come up with a tag.  Which is nice, but git describe
sometimes can't describe the revision.
Commit 56b2f0706d ("setlocalversion: do not
describe if there is nothing to describe") addressed this, but there is still
no tag generated.

So, generate a plain abbreviated sha1 tag like setlocalversion used to when
git describe comes up short.

Signed-off-by: Trent Piepho <tpiepho@freescale.com>
CC: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Trent Piepho 2008-09-12 12:26:24 -07:00 committed by Sam Ravnborg
parent e6e6733ed9
commit f03b283f08
1 changed files with 3 additions and 1 deletions
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4
scripts/setlocalversion
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@ -9,11 +9,13 @@ usage() {
cd "${1:-.}" || usage
# Check for git and a git repo.
if head=`git rev-parse --verify HEAD 2>/dev/null`; then
if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
# Do we have an untagged version?
if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then
if tag=`git describe 2>/dev/null`; then
echo $tag | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
else
printf '%s%s' -g $head
fi
fi