hooks: allow customizing where the hook directory is

diff --git a/git-rebase--merge.sh b/git-rebase--merge.sh
index dc064f82b60a00847de9a42dd1979b0a0f03e4ee..2cc2a6d2734c0ef12222004f22d717f4f724d82f 100644 (file)
--- a/git-rebase--merge.sh
+++ b/git-rebase--merge.sh
@@ -53,11 +53,12 @@ continue_merge () {
 }
 
 call_merge () {
-       cmt="$(cat "$state_dir/cmt.$1")"
+       msgnum="$1"
+       echo "$msgnum" >"$state_dir/msgnum"
+       cmt="$(cat "$state_dir/cmt.$msgnum")"
        echo "$cmt" > "$state_dir/current"
        hd=$(git rev-parse --verify HEAD)
        cmt_name=$(git symbolic-ref HEAD 2> /dev/null || echo HEAD)
-       msgnum=$(cat "$state_dir/msgnum")
        eval GITHEAD_$cmt='"${cmt_name##refs/heads/}~$(($end - $msgnum))"'
        eval GITHEAD_$hd='$onto_name'
        export GITHEAD_$cmt GITHEAD_$hd
@@ -93,14 +94,23 @@ finish_rb_merge () {
        if test -s "$state_dir"/rewritten
        then
                git notes copy --for-rewrite=rebase <"$state_dir"/rewritten
-               if test -x "$GIT_DIR"/hooks/post-rewrite
-               then
-                       "$GIT_DIR"/hooks/post-rewrite rebase <"$state_dir"/rewritten
-               fi
+               hook="$(git rev-parse --git-path hooks/post-rewrite)"
+               test -x "$hook" && "$hook" rebase <"$state_dir"/rewritten
        fi
        say All done.
 }
 
+# The whole contents of this file is run by dot-sourcing it from
+# inside a shell function.  It used to be that "return"s we see
+# below were not inside any function, and expected to return
+# to the function that dot-sourced us.
+#
+# However, FreeBSD /bin/sh misbehaves on such a construct and
+# continues to run the statements that follow such a "return".
+# As a work-around, we introduce an extra layer of a function
+# here, and immediately call it after defining it.
+git_rebase__merge () {
+
 case "$action" in
 continue)
        read_state
@@ -151,3 +161,7 @@ do
 done
 
 finish_rb_merge
+
+}
+# ... and then we call the whole thing.
+git_rebase__merge