mergetool: don't require a work tree for --tool-help

diff --git a/git-rebase--am.sh b/git-rebase--am.sh
index a4f683a5d70213151f3713cc0a2d76dfe8293fd3..ca20e1e66fbda7c27a8a4cfff03ecf02841e1002 100644 (file)
--- a/git-rebase--am.sh
+++ b/git-rebase--am.sh
@@ -4,9 +4,21 @@
 # Copyright (c) 2010 Junio C Hamano.
 #
 
+# 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__am () {
+
 case "$action" in
 continue)
-       git am --resolved --resolvemsg="$resolvemsg" &&
+       git am --resolved --resolvemsg="$resolvemsg" \
+               ${gpg_sign_opt:+"$gpg_sign_opt"} &&
        move_to_original_branch
        return
        ;;
@@ -26,7 +38,7 @@ then
        # empty commits and even if it didn't the format doesn't really lend
        # itself well to recording empty patches.  fortunately, cherry-pick
        # makes this easy
-       git cherry-pick --allow-empty "$revisions"
+       git cherry-pick ${gpg_sign_opt:+"$gpg_sign_opt"} --allow-empty "$revisions"
        ret=$?
 else
        rm -f "$GIT_DIR/rebased-patches"
@@ -60,7 +72,8 @@ else
                return $?
        fi
 
-       git am $git_am_opt --rebasing --resolvemsg="$resolvemsg" <"$GIT_DIR/rebased-patches"
+       git am $git_am_opt --rebasing --resolvemsg="$resolvemsg" \
+               ${gpg_sign_opt:+"$gpg_sign_opt"} <"$GIT_DIR/rebased-patches"
        ret=$?
 
        rm -f "$GIT_DIR/rebased-patches"
@@ -73,3 +86,7 @@ then
 fi
 
 move_to_original_branch
+
+}
+# ... and then we call the whole thing.
+git_rebase__am