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GIT-VERSION-GEN: adjust for ancient git

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When an ancient "git" that does not understand "describe"
command is on the $PATH, "git describe" emitted a Usage message
without exiting non-zero status (which is a mistake we cannot
fix retroactively).  Catch this case to make sure we do not try
using phoney multi-line string as a version number.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-08-08 13:11:16 -07:00
parent 329a304714
commit c96c29093f
1 changed files with 9 additions and 1 deletions
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10
GIT-VERSION-GEN
View File

@ -3,9 +3,17 @@
GVF=GIT-VERSION-FILE
DEF_VER=v1.4.2.GIT
LF='
'
# First try git-describe, then see if there is a version file
# (included in release tarballs), then default
if VN=$(git describe --abbrev=4 HEAD 2>/dev/null); then
if VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
case "$VN" in
*$LF*) (exit 1) ;;
v[0-9]*) : happy ;;
esac
then
VN=$(echo "$VN" | sed -e 's/-/./g');
elif test -f version
then