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setlocalversion: do not describe if there is nothing to describe

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Jan Engelhardt wrote:
> Just a note that when you run git-describe, you should probably quiten it.
>
> fatal: cannot describe 'bd7364a0fd5a4a2878fe4a224be1b142a4e6698e'
>
> This happens when tags are not present, which can happen if Linus's tree
> is sent upwards again, IOW:
>
>  machine1$  git-clone torvalds/linux-2.6.git
>  machine1$  git push elsewhere master
>
>  machine2$  git-clone elsewhere:/linux
>  machine2$  git-describe HEAD
>  fatal: cannot describe that

Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Acked-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sebastian Siewior 2008-07-02 00:18:08 +02:00 committed by Sam Ravnborg
parent 12d2b8f951
commit 56b2f0706d
1 changed files with 3 additions and 1 deletions
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4
scripts/setlocalversion
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@ -12,7 +12,9 @@ cd "${1:-.}" || usage
if head=`git rev-parse --verify HEAD 2>/dev/null`; then
# Do we have an untagged version?
if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then
git describe | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
if tag=`git describe 2>/dev/null`; then
echo $tag | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
fi
fi
# Are there uncommitted changes?