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-rwxr-xr-xgit-resolve-script36
1 files changed, 35 insertions, 1 deletions
diff --git a/git-resolve-script b/git-resolve-script
index 50d5f83..7c0e3d8 100755
--- a/git-resolve-script
+++ b/git-resolve-script
@@ -49,7 +49,41 @@ if [ "$common" == "$head" ]; then
dropheads
exit 0
fi
-echo "Trying to merge $merge into $head"
+
+# Find an optimum merge base if there are more than one candidates.
+LF='
+'
+common=$(git-merge-base -a $head $merge)
+case "$common" in
+?*"$LF"?*)
+ echo "Trying to find the optimum merge base."
+ G=.tmp-index$$
+ best=
+ best_cnt=-1
+ for c in $common
+ do
+ rm -f $G
+ GIT_INDEX_FILE=$G git-read-tree -m $c $head $merge \
+ 2>/dev/null || continue
+ # Count the paths that are unmerged.
+ cnt=`GIT_INDEX_FILE=$G git-ls-files --unmerged | wc -l`
+ if test $best_cnt -le 0 -o $cnt -le $best_cnt
+ then
+ best=$c
+ best_cnt=$cnt
+ if test "$best_cnt" -eq 0
+ then
+ # Cannot do any better than all trivial merge.
+ break
+ fi
+ fi
+ done
+ rm -f $G
+ common="$best"
+esac
+
+echo "Trying to merge $merge into $head using $common."
+git-update-cache --refresh 2>/dev/null
git-read-tree -u -m $common $head $merge || exit 1
result_tree=$(git-write-tree 2> /dev/null)
if [ $? -ne 0 ]; then