diff options
Diffstat (limited to 'contrib/subtree/git-subtree.sh')
| -rwxr-xr-x | contrib/subtree/git-subtree.sh | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh index 3bffddf..25d69d7 100755 --- a/contrib/subtree/git-subtree.sh +++ b/contrib/subtree/git-subtree.sh @@ -33,15 +33,15 @@ h,help show the help q quiet d show debug messages P,prefix= the name of the subdir to split out -m,message= use the given message as the commit message for the merge commit options for 'split' annotate= add a prefix to commit message of new commits b,branch= create a new branch from the split subtree ignore-joins ignore prior --rejoin commits onto= try connecting new tree to an existing one rejoin merge the new branch back into HEAD - options for 'add' and 'merge' (also: 'pull') + options for 'add' and 'merge' (also: 'pull' and 'split --rejoin') squash merge subtree changes as a single commit +m,message= use the given message as the commit message for the merge commit " arg_debug= @@ -346,7 +346,8 @@ find_latest_squash () { then # a rejoin commit? # Pretend its sub was a squash. - sq="$sub" + sq=$(git rev-parse --verify "$sq^2") || + die fi debug "Squash found: $sq $sub" echo "$sq" "$sub" @@ -453,6 +454,13 @@ add_msg () { else commit_message="Add '$dir/' from commit '$latest_new'" fi + if test -n "$arg_split_rejoin" + then + # If this is from a --rejoin, then rejoin_msg has + # already inserted the `git-subtree-xxx:` tags + echo "$commit_message" + return + fi cat <<-EOF $commit_message @@ -775,7 +783,12 @@ cmd_add_commit () { rev=$(git rev-parse --verify "$1^{commit}") || exit $? debug "Adding $dir as '$rev'..." - git read-tree --prefix="$dir" $rev || exit $? + if test -z "$arg_split_rejoin" + then + # Only bother doing this if this is a genuine 'add', + # not a synthetic 'add' from '--rejoin'. + git read-tree --prefix="$dir" $rev || exit $? + fi git checkout -- "$dir" || exit $? tree=$(git write-tree) || exit $? @@ -815,6 +828,11 @@ cmd_split () { die "You must provide exactly one revision. Got: '$*'" fi + if test -n "$arg_split_rejoin" + then + ensure_clean + fi + debug "Splitting $dir..." cache_setup || exit $? @@ -857,10 +875,13 @@ cmd_split () { then debug "Merging split branch into HEAD..." latest_old=$(cache_get latest_old) || exit $? - git merge -s ours \ - --allow-unrelated-histories \ - -m "$(rejoin_msg "$dir" "$latest_old" "$latest_new")" \ - "$latest_new" >&2 || exit $? + arg_addmerge_message="$(rejoin_msg "$dir" "$latest_old" "$latest_new")" || exit $? + if test -z "$(find_latest_squash "$dir")" + then + cmd_add "$latest_new" >&2 || exit $? + else + cmd_merge "$latest_new" >&2 || exit $? + fi fi if test -n "$arg_split_branch" then |