Merge branch 'km/avoid-non-function-return-in-rebase' into maint

"git rebase" used a POSIX shell construct FreeBSD /bin/sh does not
work well with.

* km/avoid-non-function-return-in-rebase:
  Revert "rebase: fix run_specific_rebase's use of "return" on FreeBSD"
  rebase: avoid non-function use of "return" on FreeBSD

4 files changed, 46 insertions, 10 deletions

diff --git a/git-rebase--am.sh b/git-rebase--am.sh
index a4f683a5d7..1cdc13944c 100644
--- a/git-rebase--am.sh
+++ b/git-rebase--am.sh
@@ -4,6 +4,17 @@
 # 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" &&
@@ -73,3 +84,7 @@ then
 fi
 
 move_to_original_branch
+
+}
+# ... and then we call the whole thing.
+git_rebase__am
diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 43631b4723..9e1dd1eb5a 100644
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -810,6 +810,17 @@ add_exec_commands () {
 	mv "$1.new" "$1"
 }
 
+# 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__interactive () {
+
 case "$action" in
 continue)
 	# do we have anything to commit?
@@ -1042,3 +1053,7 @@ GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name"
 output git checkout $onto || die_abort "could not detach HEAD"
 git update-ref ORIG_HEAD $orig_head
 do_rest
+
+}
+# ... and then we call the whole thing.
+git_rebase__interactive
diff --git a/git-rebase--merge.sh b/git-rebase--merge.sh
index e7d96de9ad..838fbed6c9 100644
--- a/git-rebase--merge.sh
+++ b/git-rebase--merge.sh
@@ -101,6 +101,17 @@ finish_rb_merge () {
 	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 +162,7 @@ do
 done
 
 finish_rb_merge
+
+}
+# ... and then we call the whole thing.
+git_rebase__merge
diff --git a/git-rebase.sh b/git-rebase.sh
index 8a3efa2983..07e2bd48dc 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -169,22 +169,13 @@ You can run "git stash pop" or "git stash drop" at any time.
 	rm -rf "$state_dir"
 }
 
-run_specific_rebase_internal () {
+run_specific_rebase () {
 	if [ "$interactive_rebase" = implied ]; then
 		GIT_EDITOR=:
 		export GIT_EDITOR
 		autosquash=
 	fi
-	# On FreeBSD, the shell's "return" returns from the current
-	# function, not from the current file inclusion.
-	# run_specific_rebase_internal has the file inclusion as a
-	# last statement, so POSIX and FreeBSD's return will do the
-	# same thing.
 	. git-rebase--$type
-}
-
-run_specific_rebase () {
-	run_specific_rebase_internal
 	ret=$?
 	if test $ret -eq 0
 	then