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add git_version_gen: generate a version number from the git tree

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Originally from the git sources (GIT-VERSION-GEN)
(C) Junio C Hamano <junkio@cox.net>
Reused under GPL v2.0
This commit is contained in:
David Adam (zanchey) 2013-06-24 18:09:29 +08:00
parent 625a1cb0b5
commit 05563ab11e
2 changed files with 32 additions and 0 deletions
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1
.gitignore vendored
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@ -32,3 +32,4 @@ user_doc/
xcuserdata
tests/*tmp.*
tests/foo.txt
FISH-BUILD-VERSION-FILE

31
build_tools/git_version_gen.sh Executable file
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@ -0,0 +1,31 @@
#!/bin/sh
# Originally from the git sources (GIT-VERSION-GEN)
# Presumably (C) Junio C Hamano <junkio@cox.net>
# Reused under GPL v2.0
# Modified for fish by David Adam <zanchey@ucc.gu.uwa.edu.au>
FBVF=FISH-BUILD-VERSION-FILE
DEF_VER=2.0.GIT
# First see if there is a version file (included in release tarballs),
# then try git-describe, then default.
if test -f version
then
VN=$(cat version) || VN="$DEF_VER"
elif test -d .git -o -f .git && which git >/dev/null
then
VN=$(git describe --tags --dirty 2>/dev/null)
else
VN="$DEF_VER"
fi
if test -r $FBVF
then
VC=$(sed -e 's/^FISH_BUILD_VERSION = //' <$FBVF)
else
VC=unset
fi
test "$VN" = "$VC" || {
echo >&2 "FISH_BUILD_VERSION = $VN"
echo "FISH_BUILD_VERSION = $VN" >$FBVF
}