Fix a bug where the scissors line is placed after the Conflicts:
section, in the case where a merge conflict occurs and
commit.cleanup = scissors.

Signed-off-by: Denton Liu <liu.den...@gmail.com>
---
 Documentation/git-cherry-pick.txt |  7 +++
 Documentation/git-revert.txt      |  7 +++
 builtin/merge.c                   |  9 +---
 builtin/rebase--interactive.c     |  2 +-
 builtin/revert.c                  |  5 ++
 sequencer.c                       | 22 +++++---
 sequencer.h                       |  3 +-
 t/t3507-cherry-pick-conflict.sh   | 86 +++++++++++++++++++++++++++++++
 8 files changed, 123 insertions(+), 18 deletions(-)

diff --git a/Documentation/git-cherry-pick.txt 
b/Documentation/git-cherry-pick.txt
index b8cfeec67e..b4ff8e136d 100644
--- a/Documentation/git-cherry-pick.txt
+++ b/Documentation/git-cherry-pick.txt
@@ -57,6 +57,13 @@ OPTIONS
        With this option, 'git cherry-pick' will let you edit the commit
        message prior to committing.
 
+--cleanup=<mode>::
+       This option determines how the commit message will be cleaned up before
+       being passed on. See linkgit:git-commit[1] for more details. In
+       addition, if the '<mode>' is given a value of `scissors`, scissors will
+       be appended to MERGE_MSG before being passed on in the case of a
+       conflict.
+
 -x::
        When recording the commit, append a line that says
        "(cherry picked from commit ...)" to the original commit
diff --git a/Documentation/git-revert.txt b/Documentation/git-revert.txt
index 837707a8fd..bd4ad395a9 100644
--- a/Documentation/git-revert.txt
+++ b/Documentation/git-revert.txt
@@ -66,6 +66,13 @@ more details.
        With this option, 'git revert' will not start the commit
        message editor.
 
+--cleanup=<mode>::
+       This option determines how the commit message will be cleaned up before
+       being passed on. See linkgit:git-commit[1] for more details. In
+       addition, if the '<mode>' is given a value of `scissors`, scissors will
+       be appended to MERGE_MSG before being passed on in the case of a
+       conflict.
+
 -n::
 --no-commit::
        Usually the command automatically creates some commits with
diff --git a/builtin/merge.c b/builtin/merge.c
index b620d4bfcb..671d6a19a4 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -923,14 +923,7 @@ static int suggest_conflicts(void)
         * Thus, we will get the cleanup mode which is returned when we _are_ 
using
         * an editor.
         */
-       if (get_cleanup_mode(cleanup_arg, 1, 1) == COMMIT_MSG_CLEANUP_SCISSORS) 
{
-           fputc('\n', fp);
-           wt_status_add_cut_line(fp);
-           /* comments out the newline from append_conflicts_hint */
-           fputc(comment_line_char, fp);
-       }
-
-       append_conflicts_hint(&the_index, &msgbuf);
+       append_conflicts_hint(&the_index, &msgbuf, 
get_cleanup_mode(cleanup_arg, 1, 1));
        fputs(msgbuf.buf, fp);
        strbuf_release(&msgbuf);
        fclose(fp);
diff --git a/builtin/rebase--interactive.c b/builtin/rebase--interactive.c
index 888390f911..cf2151b271 100644
--- a/builtin/rebase--interactive.c
+++ b/builtin/rebase--interactive.c
@@ -199,10 +199,10 @@ int cmd_rebase__interactive(int argc, const char **argv, 
const char *prefix)
                OPT_END()
        };
 
+       opts.action = REPLAY_INTERACTIVE_REBASE;
        sequencer_init_config(&opts);
        git_config_get_bool("rebase.abbreviatecommands", &abbreviate_commands);
 
-       opts.action = REPLAY_INTERACTIVE_REBASE;
        opts.allow_ff = 1;
        opts.allow_empty = 1;
 
diff --git a/builtin/revert.c b/builtin/revert.c
index a47b53ceaf..e8168e0214 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -96,11 +96,13 @@ static int run_sequencer(int argc, const char **argv, 
struct replay_opts *opts)
 {
        const char * const * usage_str = revert_or_cherry_pick_usage(opts);
        const char *me = action_name(opts);
+       const char *cleanup_arg = NULL;
        int cmd = 0;
        struct option base_options[] = {
                OPT_CMDMODE(0, "quit", &cmd, N_("end revert or cherry-pick 
sequence"), 'q'),
                OPT_CMDMODE(0, "continue", &cmd, N_("resume revert or 
cherry-pick sequence"), 'c'),
                OPT_CMDMODE(0, "abort", &cmd, N_("cancel revert or cherry-pick 
sequence"), 'a'),
+               OPT_STRING(0, "cleanup", &cleanup_arg, N_("default"), N_("how 
to strip spaces and #comments from message")),
                OPT_BOOL('n', "no-commit", &opts->no_commit, N_("don't 
automatically commit")),
                OPT_BOOL('e', "edit", &opts->edit, N_("edit the commit 
message")),
                OPT_NOOP_NOARG('r', NULL),
@@ -137,6 +139,9 @@ static int run_sequencer(int argc, const char **argv, 
struct replay_opts *opts)
        if (opts->keep_redundant_commits)
                opts->allow_empty = 1;
 
+       if (cleanup_arg)
+               opts->default_msg_cleanup = get_cleanup_mode(cleanup_arg, 1, 1);
+
        /* Check for incompatible command line arguments */
        if (cmd) {
                char *this_operation;
diff --git a/sequencer.c b/sequencer.c
index 5d94e2c865..496554a474 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -176,6 +176,11 @@ struct cleanup_config_mapping cleanup_config_mappings[] = {
        { NULL, 0, 0 }
 };
 
+static inline int is_rebase_i(const struct replay_opts *opts)
+{
+       return opts->action == REPLAY_INTERACTIVE_REBASE;
+}
+
 static int git_sequencer_config(const char *k, const char *v, void *cb)
 {
        struct replay_opts *opts = cb;
@@ -188,7 +193,7 @@ static int git_sequencer_config(const char *k, const char 
*v, void *cb)
                if (status)
                        return status;
 
-               opts->default_msg_cleanup = get_cleanup_mode(s, 0, 0);
+               opts->default_msg_cleanup = get_cleanup_mode(s, 
!is_rebase_i(opts), 0);
 
                free((char *)s);
                return status;
@@ -212,11 +217,6 @@ void sequencer_init_config(struct replay_opts *opts)
        git_config(git_sequencer_config, opts);
 }
 
-static inline int is_rebase_i(const struct replay_opts *opts)
-{
-       return opts->action == REPLAY_INTERACTIVE_REBASE;
-}
-
 static const char *get_dir(const struct replay_opts *opts)
 {
        if (is_rebase_i(opts))
@@ -557,10 +557,16 @@ const char *get_config_from_cleanup(enum 
commit_msg_cleanup_mode cleanup_mode)
 }
 
 void append_conflicts_hint(struct index_state *istate,
-                          struct strbuf *msgbuf)
+               struct strbuf *msgbuf, enum commit_msg_cleanup_mode 
cleanup_mode)
 {
        int i;
 
+       if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) {
+               strbuf_addch(msgbuf, '\n');
+               wt_status_append_cut_line(msgbuf);
+               strbuf_addch(msgbuf, comment_line_char);
+       }
+
        strbuf_addch(msgbuf, '\n');
        strbuf_commented_addf(msgbuf, "Conflicts:\n");
        for (i = 0; i < istate->cache_nr;) {
@@ -628,7 +634,7 @@ static int do_recursive_merge(struct repository *r,
                        _(action_name(opts)));
 
        if (!clean)
-               append_conflicts_hint(r->index, msgbuf);
+               append_conflicts_hint(r->index, msgbuf, 
opts->default_msg_cleanup);
 
        return !clean;
 }
diff --git a/sequencer.h b/sequencer.h
index e3c1f44807..95ff9db508 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -115,7 +115,8 @@ int rearrange_squash(struct repository *r);
  */
 void append_signoff(struct strbuf *msgbuf, size_t ignore_footer, unsigned 
flag);
 
-void append_conflicts_hint(struct index_state *istate, struct strbuf *msgbuf);
+void append_conflicts_hint(struct index_state *istate,
+               struct strbuf *msgbuf, enum commit_msg_cleanup_mode 
cleanup_mode);
 enum commit_msg_cleanup_mode get_cleanup_mode(const char *cleanup_arg,
        int use_editor, int die_on_error);
 const char *get_config_from_cleanup(enum commit_msg_cleanup_mode cleanup_mode);
diff --git a/t/t3507-cherry-pick-conflict.sh b/t/t3507-cherry-pick-conflict.sh
index 74ff925526..c3894ca9d6 100755
--- a/t/t3507-cherry-pick-conflict.sh
+++ b/t/t3507-cherry-pick-conflict.sh
@@ -189,6 +189,46 @@ test_expect_success 'failed cherry-pick registers 
participants in index' '
        test_cmp expected actual
 '
 
+test_expect_success \
+       'cherry-pick conflict, ensure commit.cleanup = scissors places scissors 
line properly' '
+       pristine_detach initial &&
+       git config commit.cleanup scissors &&
+       cat <<-EOF >expected &&
+               picked
+
+               # ------------------------ >8 ------------------------
+               # Do not modify or remove the line above.
+               # Everything below it will be ignored.
+               #
+               # Conflicts:
+               #       foo
+               EOF
+
+       test_must_fail git cherry-pick picked &&
+
+       test_i18ncmp expected .git/MERGE_MSG
+'
+
+test_expect_success \
+       'cherry-pick conflict, ensure cleanup=scissors places scissors line 
properly' '
+       pristine_detach initial &&
+       git config --unset commit.cleanup &&
+       cat <<-EOF >expected &&
+               picked
+
+               # ------------------------ >8 ------------------------
+               # Do not modify or remove the line above.
+               # Everything below it will be ignored.
+               #
+               # Conflicts:
+               #       foo
+               EOF
+
+       test_must_fail git cherry-pick --cleanup=scissors picked &&
+
+       test_i18ncmp expected .git/MERGE_MSG
+'
+
 test_expect_success 'failed cherry-pick describes conflict in work tree' '
        pristine_detach initial &&
        cat <<-EOF >expected &&
@@ -335,6 +375,52 @@ test_expect_success 'revert conflict, diff3 -m style' '
        test_cmp expected actual
 '
 
+test_expect_success \
+       'revert conflict, ensure commit.cleanup = scissors places scissors line 
properly' '
+       pristine_detach initial &&
+       git config commit.cleanup scissors &&
+       cat >expected <<-EOF &&
+               Revert "picked"
+
+               This reverts commit OBJID.
+
+               # ------------------------ >8 ------------------------
+               # Do not modify or remove the line above.
+               # Everything below it will be ignored.
+               #
+               # Conflicts:
+               #       foo
+               EOF
+
+       test_must_fail git revert picked &&
+
+       sed "s/$OID_REGEX/OBJID/" .git/MERGE_MSG >actual &&
+       test_i18ncmp expected actual
+'
+
+test_expect_success \
+       'revert conflict, ensure cleanup=scissors places scissors line 
properly' '
+       pristine_detach initial &&
+       git config --unset commit.cleanup &&
+       cat >expected <<-EOF &&
+               Revert "picked"
+
+               This reverts commit OBJID.
+
+               # ------------------------ >8 ------------------------
+               # Do not modify or remove the line above.
+               # Everything below it will be ignored.
+               #
+               # Conflicts:
+               #       foo
+               EOF
+
+       test_must_fail git revert --cleanup=scissors picked &&
+
+       sed "s/$OID_REGEX/OBJID/" .git/MERGE_MSG >actual &&
+       test_i18ncmp expected actual
+'
+
 test_expect_success 'failed cherry-pick does not forget -s' '
        pristine_detach initial &&
        test_must_fail git cherry-pick -s picked &&
-- 
2.21.0.370.g4fdb13b891

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