From f03b283f081f538ec71b9e87cb8411bb62e2abc9 Mon Sep 17 00:00:00 2001
From: Trent Piepho <tpiepho@freescale.com>
Date: Fri, 12 Sep 2008 12:26:24 -0700
Subject: [PATCH] kbuild: tag with git revision when git describe is missing
setlocalversion used to use an abbreviated git commit sha1 to generate the
tag. This was changed in commit d882421f4e08ddf0a94245cdbe516db260aa6f41
"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 56b2f0706d82535fd8d85503f2dcc0be40c8e55d ("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>
---
scripts/setlocalversion | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 453faffe18a7f7..72d233528ade5d 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -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
--
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