diff options
Diffstat (limited to 'rebase-interactive.c')
| -rw-r--r-- | rebase-interactive.c | 88 |
1 files changed, 79 insertions, 9 deletions
diff --git a/rebase-interactive.c b/rebase-interactive.c index aa18ae82b7..ac001dea58 100644 --- a/rebase-interactive.c +++ b/rebase-interactive.c @@ -5,6 +5,13 @@ #include "strbuf.h" #include "commit-slab.h" #include "config.h" +#include "dir.h" + +static const char edit_todo_list_advice[] = +N_("You can fix this with 'git rebase --edit-todo' " +"and then run 'git rebase --continue'.\n" +"Or you can abort the rebase with 'git rebase" +" --abort'.\n"); enum missing_commit_check_level { MISSING_COMMIT_CHECK_IGNORE = 0, @@ -91,22 +98,27 @@ 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(); + const char *todo_file = rebase_path_todo(), + *todo_backup = rebase_path_todo_backup(); unsigned initial = shortrevisions && shortonto; + int incorrect = 0; /* 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); + incorrect = todo_list_parse_insn_buffer(r, todo_list->buf.buf, todo_list) | + file_exists(rebase_path_dropped()); 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); - 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 (!incorrect && + todo_list_write_to_file(r, todo_list, todo_backup, + shortrevisions, shortonto, -1, + (flags | TODO_LIST_APPEND_TODO_HELP) & ~TODO_LIST_SHORTEN_IDS) < 0) + return error(_("could not write '%s'."), rebase_path_todo_backup()); if (launch_sequence_editor(todo_file, &new_todo->buf, NULL)) return -2; @@ -115,10 +127,23 @@ int edit_todo_list(struct repository *r, struct todo_list *todo_list, 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); + if (todo_list_parse_insn_buffer(r, new_todo->buf.buf, new_todo)) { + fprintf(stderr, _(edit_todo_list_advice)); + return -4; + } + + if (incorrect) { + if (todo_list_check_against_backup(r, new_todo)) { + write_file(rebase_path_dropped(), ""); + return -4; + } + + if (incorrect > 0) + unlink(rebase_path_dropped()); + } else if (todo_list_check(todo_list, new_todo)) { + write_file(rebase_path_dropped(), ""); + return -4; + } return 0; } @@ -183,7 +208,52 @@ int todo_list_check(struct todo_list *old_todo, struct todo_list *new_todo) "the level of warnings.\n" "The possible behaviours are: ignore, warn, error.\n\n")); + fprintf(stderr, _(edit_todo_list_advice)); + leave_check: clear_commit_seen(&commit_seen); return res; } + +int todo_list_check_against_backup(struct repository *r, struct todo_list *todo_list) +{ + struct todo_list backup = TODO_LIST_INIT; + int res = 0; + + if (strbuf_read_file(&backup.buf, rebase_path_todo_backup(), 0) > 0) { + todo_list_parse_insn_buffer(r, backup.buf.buf, &backup); + res = todo_list_check(&backup, todo_list); + } + + todo_list_release(&backup); + return res; +} + +int check_todo_list_from_file(struct repository *r) +{ + struct todo_list old_todo = TODO_LIST_INIT, new_todo = TODO_LIST_INIT; + int res = 0; + + if (strbuf_read_file(&new_todo.buf, rebase_path_todo(), 0) < 0) { + res = error(_("could not read '%s'."), rebase_path_todo()); + goto out; + } + + if (strbuf_read_file(&old_todo.buf, rebase_path_todo_backup(), 0) < 0) { + res = error(_("could not read '%s'."), rebase_path_todo_backup()); + goto out; + } + + res = todo_list_parse_insn_buffer(r, old_todo.buf.buf, &old_todo); + if (!res) + res = todo_list_parse_insn_buffer(r, new_todo.buf.buf, &new_todo); + if (res) + fprintf(stderr, _(edit_todo_list_advice)); + if (!res) + res = todo_list_check(&old_todo, &new_todo); +out: + todo_list_release(&old_todo); + todo_list_release(&new_todo); + + return res; +} |