set_git_dir: die when setenv() fails

diff --git a/git-rebase--merge.sh b/git-rebase--merge.sh
index 06a4723d4db3db74ea17ace60d824e83cdee25e9..ceb715453cc9eba0b6e91abfd2ea3863e74f3e05 100644 (file)
--- a/git-rebase--merge.sh
+++ b/git-rebase--merge.sh
@@ -27,7 +27,8 @@ continue_merge () {
        cmt=$(cat "$state_dir/current")
        if ! git diff-index --quiet --ignore-submodules HEAD --
        then
-               if ! git commit ${gpg_sign_opt:+"$gpg_sign_opt"} --no-verify -C "$cmt"
+               if ! git commit ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message \
+                       --no-verify -C "$cmt"
                then
                        echo "Commit failed, please do not call \"git commit\""
                        echo "directly, but instead do one of the following: "
@@ -57,6 +58,7 @@ call_merge () {
        echo "$msgnum" >"$state_dir/msgnum"
        cmt="$(cat "$state_dir/cmt.$msgnum")"
        echo "$cmt" > "$state_dir/current"
+       git update-ref REBASE_HEAD "$cmt"
        hd=$(git rev-parse --verify HEAD)
        cmt_name=$(git symbolic-ref HEAD 2> /dev/null || echo HEAD)
        eval GITHEAD_$cmt='"${cmt_name##refs/heads/}~$(($end - $msgnum))"'
@@ -137,11 +139,15 @@ skip)
        finish_rb_merge
        return
        ;;
+show-current-patch)
+       exec git show REBASE_HEAD --
+       ;;
 esac
 
 mkdir -p "$state_dir"
 echo "$onto_name" > "$state_dir/onto_name"
 write_basic_state
+rm -f "$(git rev-parse --git-path REBASE_HEAD)"
 
 msgnum=0
 for cmt in $(git rev-list --reverse --no-merges "$revisions")