X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;ds=sidebyside;f=GIT-VERSION-GEN;h=e18a30a16a6bd671290ac466745c218fed669755;hb=e443bdfe1e8e1ef8b3665cfd1c1295bd73e13773;hp=65709437ff06a2b371fe70fd846922c73ebc23b0;hpb=942e6baa92846e5628752c65a22bc4957d8de4d0;p=git.git

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 65709437f..e18a30a16 100755
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,80 +1,42 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=0.16.GITGUI
+DEF_VER=v1.7.8.GIT
 
 LF='
 '
 
-tree_search ()
-{
-	head=$1
-	tree=$2
-	for p in $(git rev-list --parents --max-count=1 $head 2>/dev/null)
-	do
-		test $tree = $(git rev-parse $p^{tree} 2>/dev/null) &&
-		vn=$(git describe --abbrev=4 $p 2>/dev/null) &&
-		case "$vn" in
-		gitgui-[0-9]*) echo $vn; break;;
-		esac
-	done
-}
-
-# Always use the tarball version file if found, just
-# in case we are somehow contained in a larger git
-# repository that doesn't actually track our state.
-# (At least one package manager is doing this.)
-#
-# We may be a subproject, so try looking for the merge
-# commit that supplied this directory content if we are
-# not at the toplevel.  We probably will always be the
-# second parent in the commit, but we shouldn't rely on
-# that fact.
-#
-# If we are at the toplevel or the merge assumption fails
-# try looking for a gitgui-* tag.
-
-if test -f version &&
-   VN=$(cat version)
+# First see if there is a version file (included in release tarballs),
+# then try git-describe, then default.
+if test -f version
 then
-	: happy
-elif prefix="$(git rev-parse --show-prefix 2>/dev/null)"
-   test -n "$prefix" &&
-   head=$(git rev-list --max-count=1 HEAD -- . 2>/dev/null) &&
-   tree=$(git rev-parse --verify "HEAD:$prefix" 2>/dev/null) &&
-   VN=$(tree_search $head $tree)
-   case "$VN" in
-   gitgui-[0-9]*) : happy ;;
-   *) (exit 1) ;;
-   esac
+	VN=$(cat version) || VN="$DEF_VER"
+elif test -d .git -o -f .git &&
+	VN=$(git describe --match "v[0-9]*" --abbrev=4 HEAD 2>/dev/null) &&
+	case "$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 "$VN" | sed -e 's/^gitgui-//;s/-/./g');
-elif VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
-   case "$VN" in
-   gitgui-[0-9]*) : happy ;;
-   *) (exit 1) ;;
-   esac
-then
-	VN=$(echo "$VN" | sed -e 's/^gitgui-//;s/-/./g');
+	VN=$(echo "$VN" | sed -e 's/-/./g');
 else
 	VN="$DEF_VER"
 fi
 
-dirty=$(sh -c 'git diff-index --name-only HEAD' 2>/dev/null) || dirty=
-case "$dirty" in
-'')
-	;;
-*)
-	VN="$VN-dirty" ;;
-esac
+VN=$(expr "$VN" : v*'\(.*\)')
 
 if test -r $GVF
 then
-	VC=$(sed -e 's/^GITGUI_VERSION = //' <$GVF)
+	VC=$(sed -e 's/^GIT_VERSION = //' <$GVF)
 else
 	VC=unset
 fi
 test "$VN" = "$VC" || {
-	echo >&2 "GITGUI_VERSION = $VN"
-	echo "GITGUI_VERSION = $VN" >$GVF
+	echo >&2 "GIT_VERSION = $VN"
+	echo "GIT_VERSION = $VN" >$GVF
 }
+
+