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[RFC PATCH 6/9] sequencer: add a parameter to sequencer_continue() to accept a todo list

From
Alban Gruin <alban.gruin@gmail.com>
Date
Jul 17, 2019, 14:39 UTC
Message-ID
<20190717143918.7406-7-alban.gruin@gmail.com>
In-Reply-To
<20190717143918.7406-1-alban.gruin@gmail.com>

As it is called by sequencer_continue() or after an exec command, read_populate_todo() is a great place to check for dropped commits in the todo list, but complete_action() (a caller of sequencer_continue()) already does. Double-checking would show the message twice.

This adds a parameter to sequencer_continue() to accept a todo list. If a valid list is provided, read_populate_todo() won't be called. complete_action() is modified to pass its todo list to sequencer_continue().

This also avoids reloading the todo list from the disk just after releasing it.

Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
---
 builtin/rebase.c |  2 +-
 builtin/revert.c |  2 +-
 sequencer.c      | 26 +++++++++++++++-----------
 sequencer.h      |  3 ++-
 4 files changed, 19 insertions(+), 14 deletions(-)
diff --git a/builtin/rebase.c b/builtin/rebase.c
index 89fc4b8153..205916ca11 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -393,7 +393,7 @@ static int run_rebase_interactive(struct rebase_options *opts,
 	case ACTION_CONTINUE: {
 		struct replay_opts replay_opts = get_replay_opts(opts);
 
-		ret = sequencer_continue(the_repository, &replay_opts);
+		ret = sequencer_continue(the_repository, &replay_opts, NULL);
 		break;
 	}
 	case ACTION_EDIT_TODO:
diff --git a/builtin/revert.c b/builtin/revert.c
index 4e71b2f2aa..45a5c6217d 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -207,7 +207,7 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts)
 		return ret;
 	}
 	if (cmd == 'c')
-		return sequencer_continue(the_repository, opts);
+		return sequencer_continue(the_repository, opts, NULL);
 	if (cmd == 'a')
 		return sequencer_rollback(the_repository, opts);
 	return sequencer_pick_revisions(the_repository, opts);
diff --git a/sequencer.c b/sequencer.c
index d66b80d49f..3fb15ff8d9 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -4147,9 +4147,11 @@ static int commit_staged_changes(struct repository *r,
 	return 0;
 }
 
-int sequencer_continue(struct repository *r, struct replay_opts *opts)
+int sequencer_continue(struct repository *r, struct replay_opts *opts,
+		       struct todo_list *p_todo_list)
 {
-	struct todo_list todo_list = TODO_LIST_INIT;
+	struct todo_list todo_list = TODO_LIST_INIT,
+		*ptr_todo = (p_todo_list) ? p_todo_list : &todo_list;
 	int res;
 
 	if (read_and_refresh_cache(r, opts))
@@ -4158,13 +4160,13 @@ int sequencer_continue(struct repository *r, struct replay_opts *opts)
 	if (read_populate_opts(opts))
 		return -1;
 	if (is_rebase_i(opts)) {
-		if ((res = read_populate_todo(r, &todo_list, opts)))
+		if (!p_todo_list && (res = read_populate_todo(r, &todo_list, opts)))
 			goto release_todo_list;
-		if (commit_staged_changes(r, opts, &todo_list))
+		if (commit_staged_changes(r, opts, ptr_todo))
 			return -1;
 	} else if (!file_exists(get_todo_path(opts)))
 		return continue_single_pick(r);
-	else if ((res = read_populate_todo(r, &todo_list, opts)))
+	else if (!p_todo_list && (res = read_populate_todo(r, &todo_list, opts)))
 		goto release_todo_list;
 
 	if (!is_rebase_i(opts)) {
@@ -4179,18 +4181,18 @@ int sequencer_continue(struct repository *r, struct replay_opts *opts)
 			res = error_dirty_index(r, opts);
 			goto release_todo_list;
 		}
-		todo_list.current++;
+		ptr_todo->current++;
 	} else if (file_exists(rebase_path_stopped_sha())) {
 		struct strbuf buf = STRBUF_INIT;
 		struct object_id oid;
 
 		if (read_oneliner(&buf, rebase_path_stopped_sha(), 1) &&
 		    !get_oid_committish(buf.buf, &oid))
-			record_in_rewritten(&oid, peek_command(&todo_list, 0));
+			record_in_rewritten(&oid, peek_command(ptr_todo, 0));
 		strbuf_release(&buf);
 	}
 
-	res = pick_commits(r, &todo_list, opts);
+	res = pick_commits(r, ptr_todo, opts);
 release_todo_list:
 	todo_list_release(&todo_list);
 	return res;
@@ -5025,15 +5027,17 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla
 		return error_errno(_("could not write '%s'"), todo_file);
 	}
 
-	todo_list_release(&new_todo);
-
 	if (checkout_onto(r, opts, onto_name, &oid, orig_head))
 		return -1;
 
 	if (require_clean_work_tree(r, "rebase", "", 1, 1))
 		return -1;
 
-	return sequencer_continue(r, opts);
+	todo_list_write_total_nr(&new_todo);
+	res = sequencer_continue(r, opts, &new_todo);
+	todo_list_release(&new_todo);
+
+	return res;
 }
 
 struct subject2item_entry {
diff --git a/sequencer.h b/sequencer.h
index 3d0b68c34c..858816f94a 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -127,7 +127,8 @@ const char *todo_item_get_arg(struct todo_list *todo_list,
 void sequencer_init_config(struct replay_opts *opts);
 int sequencer_pick_revisions(struct repository *repo,
 			     struct replay_opts *opts);
-int sequencer_continue(struct repository *repo, struct replay_opts *opts);
+int sequencer_continue(struct repository *repo, struct replay_opts *opts,
+		       struct todo_list *p_todo_list);
 int sequencer_rollback(struct repository *repo, struct replay_opts *opts);
 int sequencer_remove_state(struct replay_opts *opts);
 

-- 
2.22.0
Previous: Alban GruinNext: Alban Gruin
Message 16 of 57 in “rebase -i: extend rebase.missingCommitsCheck to `--edit-todo' and co.”
  1. 0/9 rebase -i: extend rebase.missingCommitsCheck to `--edit-todo' and co.Alban Gruin, Jul 17, 2019
  2. 1/9 t3404: demonstrate that --edit-todo does not check for dropped commitsAlban Gruin, Jul 17, 2019
  3. Junio C HamanoJul 18, 2019
  4. Alban GruinJul 19, 2019
  5. Junio C HamanoJul 19, 2019
  6. 2/9 t3429: demonstrate that rebase exec does not check for dropped commitsAlban Gruin, Jul 17, 2019
  7. 3/9 sequencer: update `total_nr' when adding an item to a todo listAlban Gruin, Jul 17, 2019
  8. Junio C HamanoJul 18, 2019
  9. Alban GruinJul 19, 2019
  10. 4/9 sequencer: update `done_nr' when skipping commands in a todo listAlban Gruin, Jul 17, 2019
  11. Junio C HamanoJul 18, 2019
  12. Alban GruinJul 19, 2019
  13. 5/9 sequencer: move the code writing total_nr on the disk to a new functionAlban Gruin, Jul 17, 2019
  14. Junio C HamanoJul 18, 2019
  15. Alban GruinJul 19, 2019
  16. 6/9 sequencer: add a parameter to sequencer_continue() to accept a todo listAlban Gruin, Jul 17, 2019
  17. 7/9 rebase-interactive: todo_list_check() also uses the done listAlban Gruin, Jul 17, 2019
  18. 8/9 rebase-interactive: warn if commit is dropped with --edit-todoAlban Gruin, Jul 17, 2019
  19. 9/9 sequencer: have read_populate_todo() check for dropped commitsAlban Gruin, Jul 17, 2019
  20. Phillip WoodJul 24, 2019
  21. Johannes SchindelinJul 25, 2019
  22. Alban GruinJul 25, 2019
  23. Phillip WoodJul 29, 2019
  24. Alban GruinSep 24, 2019
  25. 0/2 rebase -i: extend rebase.missingCommitsCheck to `--edit-todo'Alban Gruin, Nov 4, 2019
  26. 1/2 t3404: demonstrate that --edit-todo does not check for dropped commitsAlban Gruin, Nov 4, 2019
  27. 2/2 rebase-interactive: warn if commit is dropped with --edit-todoAlban Gruin, Nov 4, 2019
  28. Phillip WoodNov 5, 2019
  29. 0/2 rebase -i: extend rebase.missingCommitsCheckAlban Gruin, Dec 2, 2019
  30. 1/2 sequencer: move check_todo_list_from_file() to rebase-interactive.cAlban Gruin, Dec 2, 2019
  31. Johannes SchindelinDec 6, 2019
  32. 2/2 rebase-interactive: warn if commit is dropped with `rebase --edit-todo'Alban Gruin, Dec 2, 2019
  33. Junio C HamanoDec 4, 2019
  34. Phillip WoodDec 9, 2019
  35. Alban GruinJan 9, 2020
  36. Phillip WoodJan 10, 2020
  37. Alban GruinJan 10, 2020
  38. Phillip WoodJan 11, 2020
  39. Phillip WoodDec 9, 2019
  40. Junio C HamanoDec 4, 2019
  41. Alban GruinDec 5, 2019
  42. Phillip WoodDec 6, 2019
  43. Johannes SchindelinDec 6, 2019
  44. 0/2 rebase -i: extend rebase.missingCommitsCheckAlban Gruin, Jan 11, 2020
  45. 1/2 sequencer: move check_todo_list_from_file() to rebase-interactive.cAlban Gruin, Jan 11, 2020
  46. 2/2 rebase-interactive: warn if commit is dropped with `rebase --edit-todo'Alban Gruin, Jan 11, 2020
  47. Phillip WoodJan 19, 2020
  48. Alban GruinJan 25, 2020
  49. 0/2 rebase -i: extend rebase.missingCommitsCheckAlban Gruin, Jan 25, 2020
  50. 1/2 sequencer: move check_todo_list_from_file() to rebase-interactive.cAlban Gruin, Jan 25, 2020
  51. 2/2 rebase-interactive: warn if commit is dropped with `rebase --edit-todo'Alban Gruin, Jan 25, 2020
  52. Johannes SchindelinJan 26, 2020
  53. Alban GruinJan 27, 2020
  54. Johannes SchindelinJan 28, 2020
  55. 0/2 rebase -i: extend rebase.missingCommitsCheckAlban Gruin, Jan 28, 2020
  56. 1/2 sequencer: move check_todo_list_from_file() to rebase-interactive.cAlban Gruin, Jan 28, 2020
  57. 2/2 rebase-interactive: warn if commit is dropped with `rebase --edit-todo'Alban Gruin, Jan 28, 2020

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