diff options
Diffstat (limited to 'git-gui/GIT-VERSION-GEN')
| -rwxr-xr-x | git-gui/GIT-VERSION-GEN | 55 |
1 files changed, 43 insertions, 12 deletions
diff --git a/git-gui/GIT-VERSION-GEN b/git-gui/GIT-VERSION-GEN index 79f1c527ff..8fac8cb410 100755 --- a/git-gui/GIT-VERSION-GEN +++ b/git-gui/GIT-VERSION-GEN @@ -1,20 +1,53 @@ #!/bin/sh GVF=GIT-VERSION-FILE -DEF_VER=v0.5.GIT +DEF_VER=0.6.GITGUI 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) && +tree_search () +{ + head=$1 + tree=$2 + for p in $(git rev-list --parents --max-count=1 $head 2>/devnull) + 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 $vn; break;; + esac + done +} + +# We may be a subproject, so try looking for the merge +# commit that supplied this directory content if we are +# not at the toplevel. We probably will always be the +# second parent in the commit, but we shouldn't rely on +# that fact. +# +# If we are at the toplevel or the merge assumption fails +# try looking for a gitgui-* tag, or fallback onto the +# distributed version file. + +if prefix="$(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 - *$LF*) (exit 1) ;; - v[0-9]*) : happy ;; + gitgui-[0-9]*) : happy ;; + *) (exit 1) ;; esac then - VN=$(echo "$VN" | sed -e 's/-/./g'); + VN=$(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 "$VN" | sed -e 's/^gitgui-//;s/-/./g'); elif test -f version then VN=$(cat version) || VN="$DEF_VER" @@ -22,8 +55,6 @@ else VN="$DEF_VER" fi -VN=$(expr "$VN" : v*'\(.*\)') - dirty=$(sh -c 'git diff-index --name-only HEAD' 2>/dev/null) || dirty= case "$dirty" in '') @@ -34,13 +65,13 @@ esac if test -r $GVF then - VC=$(sed -e 's/^GIT_VERSION = //' <$GVF) + VC=$(sed -e 's/^GITGUI_VERSION = //' <$GVF) else VC=unset fi test "$VN" = "$VC" || { - echo >&2 "GIT_VERSION = $VN" - echo "GIT_VERSION = $VN" >$GVF + echo >&2 "GITGUI_VERSION = $VN" + echo "GITGUI_VERSION = $VN" >$GVF } |