rebase-interactive: rewrite edit_todo_list() to handle the initial edit
edit_todo_list() is changed to work on a todo_list, and to handle the
initial edition of the todo list (ie. making a backup of the todo
list).
It does not check for dropped commits yet, as todo_list_check() does not
take the commits that have already been processed by the rebase (ie. the
todo list is edited in the middle of a rebase session).
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/rebase-interactive.c b/rebase-interactive.c
index 807f837..aa18ae8 100644
--- a/rebase-interactive.c
+++ b/rebase-interactive.c
@@ -87,35 +87,40 @@ void append_todo_help(unsigned keep_empty, int command_count,
}
}
-int edit_todo_list(struct repository *r, unsigned flags)
+int edit_todo_list(struct repository *r, struct todo_list *todo_list,
+ struct todo_list *new_todo, const char *shortrevisions,
+ const char *shortonto, unsigned flags)
{
const char *todo_file = rebase_path_todo();
- struct todo_list todo_list = TODO_LIST_INIT;
- int res = 0;
+ unsigned initial = shortrevisions && shortonto;
- if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0)
- return error_errno(_("could not read '%s'."), todo_file);
+ /* If the user is editing the todo list, we first try to parse
+ * it. If there is an error, we do not return, because the user
+ * might want to fix it in the first place. */
+ if (!initial)
+ todo_list_parse_insn_buffer(r, todo_list->buf.buf, todo_list);
- strbuf_stripspace(&todo_list.buf, 1);
- todo_list_parse_insn_buffer(r, todo_list.buf.buf, &todo_list);
- if (todo_list_write_to_file(r, &todo_list, todo_file, NULL, NULL, -1,
- flags | TODO_LIST_SHORTEN_IDS | TODO_LIST_APPEND_TODO_HELP)) {
- todo_list_release(&todo_list);
- return -1;
- }
+ if (todo_list_write_to_file(r, todo_list, todo_file, shortrevisions, shortonto,
+ -1, flags | TODO_LIST_SHORTEN_IDS | TODO_LIST_APPEND_TODO_HELP))
+ return error_errno(_("could not write '%s'"), todo_file);
- strbuf_reset(&todo_list.buf);
- if (launch_sequence_editor(todo_file, &todo_list.buf, NULL)) {
- todo_list_release(&todo_list);
- return -1;
- }
+ if (initial && copy_file(rebase_path_todo_backup(), todo_file, 0666))
+ return error(_("could not copy '%s' to '%s'."), todo_file,
+ rebase_path_todo_backup());
- if (!todo_list_parse_insn_buffer(r, todo_list.buf.buf, &todo_list))
- res = todo_list_write_to_file(r, &todo_list, todo_file, NULL, NULL, -1,
- flags & ~(TODO_LIST_SHORTEN_IDS));
+ if (launch_sequence_editor(todo_file, &new_todo->buf, NULL))
+ return -2;
- todo_list_release(&todo_list);
- return res;
+ strbuf_stripspace(&new_todo->buf, 1);
+ if (initial && new_todo->buf.len == 0)
+ return -3;
+
+ /* For the initial edit, the todo list gets parsed in
+ * complete_action(). */
+ if (!initial)
+ return todo_list_parse_insn_buffer(r, new_todo->buf.buf, new_todo);
+
+ return 0;
}
define_commit_slab(commit_seen, unsigned char);
