git-gui: Add gui.displayuntracked option
[git-gui.git] / GIT-VERSION-GEN
blob0a1f8d4f8a9187a0d5decf20f9c926dbd570a8db
1 #!/bin/sh
3 GVF=GIT-VERSION-FILE
4 DEF_VER=0.18.GITGUI
6 LF='
9 tree_search ()
11 head=$1
12 tree=$2
13 for p in $(git rev-list --parents --max-count=1 $head 2>/dev/null)
15 test $tree = $(git rev-parse $p^{tree} 2>/dev/null) &&
16 vn=$(git describe --abbrev=4 $p 2>/dev/null) &&
17 case "$vn" in
18 gitgui-[0-9]*) echo $vn; break;;
19 esac
20 done
23 # Always use the tarball version file if found, just
24 # in case we are somehow contained in a larger git
25 # repository that doesn't actually track our state.
26 # (At least one package manager is doing this.)
28 # We may be a subproject, so try looking for the merge
29 # commit that supplied this directory content if we are
30 # not at the toplevel. We probably will always be the
31 # second parent in the commit, but we shouldn't rely on
32 # that fact.
34 # If we are at the toplevel or the merge assumption fails
35 # try looking for a gitgui-* tag.
37 if test -f version &&
38 VN=$(cat version)
39 then
40 : happy
41 elif prefix="$(git rev-parse --show-prefix 2>/dev/null)"
42 test -n "$prefix" &&
43 head=$(git rev-list --max-count=1 HEAD -- . 2>/dev/null) &&
44 tree=$(git rev-parse --verify "HEAD:$prefix" 2>/dev/null) &&
45 VN=$(tree_search $head $tree)
46 case "$VN" in
47 gitgui-[0-9]*) : happy ;;
48 *) (exit 1) ;;
49 esac
50 then
51 VN=$(echo "$VN" | sed -e 's/^gitgui-//;s/-/./g');
52 elif VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
53 case "$VN" in
54 gitgui-[0-9]*) : happy ;;
55 *) (exit 1) ;;
56 esac
57 then
58 VN=$(echo "$VN" | sed -e 's/^gitgui-//;s/-/./g');
59 else
60 VN="$DEF_VER"
63 dirty=$(sh -c 'git diff-index --name-only HEAD' 2>/dev/null) || dirty=
64 case "$dirty" in
65 '')
68 VN="$VN-dirty" ;;
69 esac
71 if test -r $GVF
72 then
73 VC=$(sed -e 's/^GITGUI_VERSION = //' <$GVF)
74 else
75 VC=unset
77 test "$VN" = "$VC" || {
78 echo >&2 "GITGUI_VERSION = $VN"
79 echo "GITGUI_VERSION = $VN" >$GVF