diff options
Diffstat (limited to 'contrib/subtree/git-subtree.sh')
| -rwxr-xr-x | contrib/subtree/git-subtree.sh | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh index edf36f8c36..7a39b30ad0 100755 --- a/contrib/subtree/git-subtree.sh +++ b/contrib/subtree/git-subtree.sh @@ -245,7 +245,10 @@ find_latest_squash() case "$a" in START) sq="$b" ;; git-subtree-mainline:) main="$b" ;; - git-subtree-split:) sub="$b" ;; + git-subtree-split:) + sub="$(git rev-parse "$b^0")" || + die "could not rev-parse split hash $b from commit $sq" + ;; END) if [ -n "$sub" ]; then if [ -n "$main" ]; then @@ -278,7 +281,10 @@ find_existing_splits() case "$a" in START) sq="$b" ;; git-subtree-mainline:) main="$b" ;; - git-subtree-split:) sub="$b" ;; + git-subtree-split:) + sub="$(git rev-parse "$b^0")" || + die "could not rev-parse split hash $b from commit $sq" + ;; END) debug " Main is: '$main'" if [ -z "$main" -a -n "$sub" ]; then @@ -479,8 +485,16 @@ copy_or_skip() p="$p -p $parent" fi done - - if [ -n "$identical" ]; then + + copycommit= + if [ -n "$identical" ] && [ -n "$nonidentical" ]; then + extras=$(git rev-list --count $identical..$nonidentical) + if [ "$extras" -ne 0 ]; then + # we need to preserve history along the other branch + copycommit=1 + fi + fi + if [ -n "$identical" ] && [ -z "$copycommit" ]; then echo $identical else copy_commit $rev $tree "$p" || exit $? |