fix cherry-pick/revert status after commit

If the user commits a conflict resolution using `git commit` in the
middle of a sequence of cherry-picks/reverts then `git status` missed
the fact that a cherry-pick/revert is still in progress.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/sequencer.c b/sequencer.c
index 7c7b8a07c478b79663be310de254737e84afbfbd..c6a9a354222d8f9c2b65c703d58b9e3a52419387 100644 (file)
--- a/sequencer.c
+++ b/sequencer.c
@@ -2142,6 +2142,41 @@ static int parse_insn_line(struct repository *r, struct todo_item *item,
        return !item->commit;
 }
 
+int sequencer_get_last_command(struct repository *r, enum replay_action *action)
+{
+       struct todo_item item;
+       char *eol;
+       const char *todo_file;
+       struct strbuf buf = STRBUF_INIT;
+       int ret = -1;
+
+       todo_file = git_path_todo_file();
+       if (strbuf_read_file(&buf, todo_file, 0) < 0) {
+               if (errno == ENOENT)
+                       return -1;
+               else
+                       return error_errno("unable to open '%s'", todo_file);
+       }
+       eol = strchrnul(buf.buf, '\n');
+       if (buf.buf != eol && eol[-1] == '\r')
+               eol--; /* strip Carriage Return */
+       if (parse_insn_line(r, &item, buf.buf, eol))
+               goto fail;
+       if (item.command == TODO_PICK)
+               *action = REPLAY_PICK;
+       else if (item.command == TODO_REVERT)
+               *action = REPLAY_REVERT;
+       else
+               goto fail;
+
+       ret = 0;
+
+ fail:
+       strbuf_release(&buf);
+
+       return ret;
+}
+
 static int parse_insn_buffer(struct repository *r, char *buf,
                             struct todo_list *todo_list)
 {

diff --git a/sequencer.h b/sequencer.h
index 6c7cf8d72ff03552ab60ae5e020ee189b0d4bb93..c4b79165d3cedf434057674b8ccc5c53ec9d5929 100644 (file)
--- a/sequencer.h
+++ b/sequencer.h
@@ -145,3 +145,5 @@ void parse_strategy_opts(struct replay_opts *opts, char *raw_opts);
 int write_basic_state(struct replay_opts *opts, const char *head_name,
                      const char *onto, const char *orig_head);
 void sequencer_post_commit_cleanup(struct repository *r);
+int sequencer_get_last_command(struct repository* r,
+                              enum replay_action *action);

diff --git a/t/t7512-status-help.sh b/t/t7512-status-help.sh
index 458608cc1e7ca51e1a7e40017794b5f2c55d3db3..c1eb72555d0c9878aafe04b8b3f69392a0b32dcd 100755 (executable)
--- a/t/t7512-status-help.sh
+++ b/t/t7512-status-help.sh
@@ -780,6 +780,24 @@ EOF
        test_i18ncmp expected actual
 '
 
+test_expect_success 'status when cherry-picking after committing conflict resolution' '
+       git reset --hard cherry_branch &&
+       test_when_finished "git cherry-pick --abort" &&
+       test_must_fail git cherry-pick cherry_branch_second one_cherry &&
+       echo end >main.txt &&
+       git commit -a &&
+       cat >expected <<EOF &&
+On branch cherry_branch
+Cherry-pick currently in progress.
+  (run "git cherry-pick --continue" to continue)
+  (use "git cherry-pick --abort" to cancel the cherry-pick operation)
+
+nothing to commit (use -u to show untracked files)
+EOF
+       git status --untracked-files=no >actual &&
+       test_i18ncmp expected actual
+'
+
 test_expect_success 'status showing detached at and from a tag' '
        test_commit atag tagging &&
        git checkout atag &&
@@ -857,6 +875,24 @@ EOF
        test_i18ncmp expected actual
 '
 
+test_expect_success 'status while reverting after committing conflict resolution' '
+       test_when_finished "git revert --abort" &&
+       git reset --hard new &&
+       test_must_fail git revert old new &&
+       echo reverted >to-revert.txt &&
+       git commit -a &&
+       cat >expected <<EOF &&
+On branch master
+Revert currently in progress.
+  (run "git revert --continue" to continue)
+  (use "git revert --abort" to cancel the revert operation)
+
+nothing to commit (use -u to show untracked files)
+EOF
+       git status --untracked-files=no >actual &&
+       test_i18ncmp expected actual
+'
+
 test_expect_success 'prepare for different number of commits rebased' '
        git reset --hard master &&
        git checkout -b several_commits &&

diff --git a/wt-status.c b/wt-status.c
index 1f564b12d259956fa71fb0dce78c6e4c3c006897..1dbb4d949cbd44139409b944373d221dc540a656 100644 (file)
--- a/wt-status.c
+++ b/wt-status.c
@@ -17,6 +17,7 @@
 #include "utf8.h"
 #include "worktree.h"
 #include "lockfile.h"
+#include "sequencer.h"
 
 static const char cut_line[] =
 "------------------------ >8 ------------------------\n";
@@ -1369,12 +1370,22 @@ static void show_rebase_in_progress(struct wt_status *s,
 static void show_cherry_pick_in_progress(struct wt_status *s,
                                         const char *color)
 {
-       status_printf_ln(s, color, _("You are currently cherry-picking commit %s."),
-                       find_unique_abbrev(&s->state.cherry_pick_head_oid, DEFAULT_ABBREV));
+       if (is_null_oid(&s->state.cherry_pick_head_oid))
+               status_printf_ln(s, color,
+                       _("Cherry-pick currently in progress."));
+       else
+               status_printf_ln(s, color,
+                       _("You are currently cherry-picking commit %s."),
+                       find_unique_abbrev(&s->state.cherry_pick_head_oid,
+                                          DEFAULT_ABBREV));
+
        if (s->hints) {
                if (has_unmerged(s))
                        status_printf_ln(s, color,
                                _("  (fix conflicts and run \"git cherry-pick --continue\")"));
+               else if (is_null_oid(&s->state.cherry_pick_head_oid))
+                       status_printf_ln(s, color,
+                               _("  (run \"git cherry-pick --continue\" to continue)"));
                else
                        status_printf_ln(s, color,
                                _("  (all conflicts fixed: run \"git cherry-pick --continue\")"));
@@ -1387,12 +1398,21 @@ static void show_cherry_pick_in_progress(struct wt_status *s,
 static void show_revert_in_progress(struct wt_status *s,
                                    const char *color)
 {
-       status_printf_ln(s, color, _("You are currently reverting commit %s."),
-                        find_unique_abbrev(&s->state.revert_head_oid, DEFAULT_ABBREV));
+       if (is_null_oid(&s->state.revert_head_oid))
+               status_printf_ln(s, color,
+                       _("Revert currently in progress."));
+       else
+               status_printf_ln(s, color,
+                       _("You are currently reverting commit %s."),
+                       find_unique_abbrev(&s->state.revert_head_oid,
+                                          DEFAULT_ABBREV));
        if (s->hints) {
                if (has_unmerged(s))
                        status_printf_ln(s, color,
                                _("  (fix conflicts and run \"git revert --continue\")"));
+               else if (is_null_oid(&s->state.revert_head_oid))
+                       status_printf_ln(s, color,
+                               _("  (run \"git revert --continue\" to continue)"));
                else
                        status_printf_ln(s, color,
                                _("  (all conflicts fixed: run \"git revert --continue\")"));
@@ -1563,6 +1583,7 @@ void wt_status_get_state(struct repository *r,
 {
        struct stat st;
        struct object_id oid;
+       enum replay_action action;
 
        if (!stat(git_path_merge_head(r), &st)) {
                wt_status_check_rebase(NULL, state);
@@ -1580,7 +1601,15 @@ void wt_status_get_state(struct repository *r,
                state->revert_in_progress = 1;
                oidcpy(&state->revert_head_oid, &oid);
        }
-
+       if (!sequencer_get_last_command(r, &action)) {
+               if (action == REPLAY_PICK) {
+                       state->cherry_pick_in_progress = 1;
+                       oidcpy(&state->cherry_pick_head_oid, &null_oid);
+               } else {
+                       state->revert_in_progress = 1;
+                       oidcpy(&state->revert_head_oid, &null_oid);
+               }
+       }
        if (get_detached_from)
                wt_status_get_detached_from(r, state);
 }