rebase-interactive: rewrite edit_todo_list() to handle the initial edit

diff --git a/builtin/rebase--interactive.c b/builtin/rebase--interactive.c
index ffbe14cef5039e47ac1dee6f22d0a021eb2faa10..b277239f21444f804e17a68845a859d3232ed69f 100644 (file)
--- a/builtin/rebase--interactive.c
+++ b/builtin/rebase--interactive.c
@@ -13,6 +13,79 @@ static GIT_PATH_FUNC(path_state_dir, "rebase-merge/")
 static GIT_PATH_FUNC(path_squash_onto, "rebase-merge/squash-onto")
 static GIT_PATH_FUNC(path_interactive, "rebase-merge/interactive")
 
+static int add_exec_commands(struct string_list *commands)
+{
+       const char *todo_file = rebase_path_todo();
+       struct todo_list todo_list = TODO_LIST_INIT;
+       int res;
+
+       if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0)
+               return error_errno(_("could not read '%s'."), todo_file);
+
+       if (todo_list_parse_insn_buffer(the_repository, todo_list.buf.buf,
+                                       &todo_list)) {
+               todo_list_release(&todo_list);
+               return error(_("unusable todo list: '%s'"), todo_file);
+       }
+
+       todo_list_add_exec_commands(&todo_list, commands);
+       res = todo_list_write_to_file(the_repository, &todo_list,
+                                     todo_file, NULL, NULL, -1, 0);
+       todo_list_release(&todo_list);
+
+       if (res)
+               return error_errno(_("could not write '%s'."), todo_file);
+       return 0;
+}
+
+static int rearrange_squash_in_todo_file(void)
+{
+       const char *todo_file = rebase_path_todo();
+       struct todo_list todo_list = TODO_LIST_INIT;
+       int res = 0;
+
+       if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0)
+               return error_errno(_("could not read '%s'."), todo_file);
+       if (todo_list_parse_insn_buffer(the_repository, todo_list.buf.buf,
+                                       &todo_list)) {
+               todo_list_release(&todo_list);
+               return error(_("unusable todo list: '%s'"), todo_file);
+       }
+
+       res = todo_list_rearrange_squash(&todo_list);
+       if (!res)
+               res = todo_list_write_to_file(the_repository, &todo_list,
+                                             todo_file, NULL, NULL, -1, 0);
+
+       todo_list_release(&todo_list);
+
+       if (res)
+               return error_errno(_("could not write '%s'."), todo_file);
+       return 0;
+}
+
+static int edit_todo_file(unsigned flags)
+{
+       const char *todo_file = rebase_path_todo();
+       struct todo_list todo_list = TODO_LIST_INIT,
+               new_todo = TODO_LIST_INIT;
+       int res = 0;
+
+       if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0)
+               return error_errno(_("could not read '%s'."), todo_file);
+
+       strbuf_stripspace(&todo_list.buf, 1);
+       res = edit_todo_list(the_repository, &todo_list, &new_todo, NULL, NULL, flags);
+       if (!res && todo_list_write_to_file(the_repository, &new_todo, todo_file,
+                                           NULL, NULL, -1, flags & ~(TODO_LIST_SHORTEN_IDS)))
+               res = error_errno(_("could not write '%s'"), todo_file);
+
+       todo_list_release(&todo_list);
+       todo_list_release(&new_todo);
+
+       return res;
+}
+
 static int get_revision_ranges(const char *upstream, const char *onto,
                               const char **head_hash,
                               char **revisions, char **shortrevisions)
@@ -244,7 +317,7 @@ int cmd_rebase__interactive(int argc, const char **argv, const char *prefix)
                break;
        }
        case EDIT_TODO:
-               ret = edit_todo_list(the_repository, flags);
+               ret = edit_todo_file(flags);
                break;
        case SHOW_CURRENT_PATCH: {
                struct child_process cmd = CHILD_PROCESS_INIT;
@@ -263,10 +336,10 @@ int cmd_rebase__interactive(int argc, const char **argv, const char *prefix)
                ret = check_todo_list_from_file(the_repository);
                break;
        case REARRANGE_SQUASH:
-               ret = rearrange_squash_in_todo_file(the_repository);
+               ret = rearrange_squash_in_todo_file();
                break;
        case ADD_EXEC:
-               ret = sequencer_add_exec_commands(the_repository, &commands);
+               ret = add_exec_commands(&commands);
                break;
        default:
                BUG("invalid command '%d'", command);