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authorEric Wong <normalperson@yhbt.net>2010-11-26 02:27:17 +0000
committerEric Wong <normalperson@yhbt.net>2010-12-01 09:45:32 +0000
commit58938c980f38a4581b4a0e8a780fffe7ac95bc93 (patch)
treeece822520cf8cbabe23f4559361afaf8346aa729 /GIT-VERSION-GEN
downloadruby-tdb-58938c980f38a4581b4a0e8a780fffe7ac95bc93.tar.gz
Diffstat (limited to 'GIT-VERSION-GEN')
-rwxr-xr-xGIT-VERSION-GEN40
1 files changed, 40 insertions, 0 deletions
diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
new file mode 100755
index 0000000..92e03e3
--- /dev/null
+++ b/GIT-VERSION-GEN
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+GVF=GIT-VERSION-FILE
+DEF_VER=v0.0.0.GIT
+
+LF='
+'
+
+# 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 &&
+        VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
+        case "$VN" in
+        *$LF*) (exit 1) ;;
+        v[0-9]*)
+                git update-index -q --refresh
+                test -z "$(git diff-index --name-only HEAD --)" ||
+                VN="$VN-dirty" ;;
+        esac
+then
+        VN=$(echo "$VN" | sed -e 's/-/./g');
+else
+        VN="$DEF_VER"
+fi
+
+VN=$(expr "$VN" : v*'\(.*\)')
+
+if test -r $GVF
+then
+        VC=$(sed -e 's/^GIT_VERSION = //' <$GVF)
+else
+        VC=unset
+fi
+test "$VN" = "$VC" || {
+        echo >&2 "GIT_VERSION = $VN"
+        echo "GIT_VERSION = $VN" >$GVF
+}