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kbuild: fix scripts/setlocalversion to avoid erroneous -dirty tag

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If git's index file is out of date, and some files have been touched
such that their timestamp doesn't what is in the index, "git
diff-index HEAD" may show that a particular file is dirty, when in
fact it really isn't.  Running "git update-index" will update the
index to avoid these false positives.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Theodore Ts'o 2007-11-02 21:53:00 -04:00 committed by Sam Ravnborg
parent d882421f4e
commit 4e7434ff02
1 changed files with 1 additions and 0 deletions
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scripts/setlocalversion
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@ -16,6 +16,7 @@ if head=`git rev-parse --verify HEAD 2>/dev/null`; then
fi
# Are there uncommitted changes?
git update-index --refresh --unmerged > /dev/null
if git diff-index HEAD | read dummy; then
printf '%s' -dirty
fi