builtin/rebase--helper.c

   1 #include "builtin.h"
   2 #include "cache.h"
   3 #include "config.h"
   4 #include "parse-options.h"
   5 #include "sequencer.h"
   6 #include "rebase-interactive.h"
   7
   8 static const char * const builtin_rebase_helper_usage[] = {
   9         N_("git rebase--helper [<options>]"),
  10         NULL
  11 };
  12
  13 int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
  14 {
  15         struct replay_opts opts = REPLAY_OPTS_INIT;
  16         unsigned flags = 0, keep_empty = 0, rebase_merges = 0, autosquash = 0;
  17         int abbreviate_commands = 0, rebase_cousins = -1;
  18         enum {
  19                 CONTINUE = 1, ABORT, MAKE_SCRIPT, SHORTEN_OIDS, EXPAND_OIDS,
  20                 CHECK_TODO_LIST, SKIP_UNNECESSARY_PICKS, REARRANGE_SQUASH,
  21                 ADD_EXEC, APPEND_TODO_HELP, EDIT_TODO, PREPARE_BRANCH,
  22                 CHECKOUT_ONTO, COMPLETE_ACTION
  23         } command = 0;
  24         struct option options[] = {
  25                 OPT_BOOL(0, "ff", &opts.allow_ff, N_("allow fast-forward")),
  26                 OPT_BOOL(0, "keep-empty", &keep_empty, N_("keep empty commits")),
  27                 OPT_BOOL(0, "allow-empty-message", &opts.allow_empty_message,
  28                         N_("allow commits with empty messages")),
  29                 OPT_BOOL(0, "rebase-merges", &rebase_merges, N_("rebase merge commits")),
  30                 OPT_BOOL(0, "rebase-cousins", &rebase_cousins,
  31                          N_("keep original branch points of cousins")),
  32                 OPT_BOOL(0, "autosquash", &autosquash,
  33                          N_("move commits that begin with squash!/fixup!")),
  34                 OPT__VERBOSE(&opts.verbose, N_("be verbose")),
  35                 OPT_CMDMODE(0, "continue", &command, N_("continue rebase"),
  36                                 CONTINUE),
  37                 OPT_CMDMODE(0, "abort", &command, N_("abort rebase"),
  38                                 ABORT),
  39                 OPT_CMDMODE(0, "make-script", &command,
  40                         N_("make rebase script"), MAKE_SCRIPT),
  41                 OPT_CMDMODE(0, "shorten-ids", &command,
  42                         N_("shorten commit ids in the todo list"), SHORTEN_OIDS),
  43                 OPT_CMDMODE(0, "expand-ids", &command,
  44                         N_("expand commit ids in the todo list"), EXPAND_OIDS),
  45                 OPT_CMDMODE(0, "check-todo-list", &command,
  46                         N_("check the todo list"), CHECK_TODO_LIST),
  47                 OPT_CMDMODE(0, "skip-unnecessary-picks", &command,
  48                         N_("skip unnecessary picks"), SKIP_UNNECESSARY_PICKS),
  49                 OPT_CMDMODE(0, "rearrange-squash", &command,
  50                         N_("rearrange fixup/squash lines"), REARRANGE_SQUASH),
  51                 OPT_CMDMODE(0, "add-exec-commands", &command,
  52                         N_("insert exec commands in todo list"), ADD_EXEC),
  53                 OPT_CMDMODE(0, "append-todo-help", &command,
  54                             N_("insert the help in the todo list"), APPEND_TODO_HELP),
  55                 OPT_CMDMODE(0, "edit-todo", &command,
  56                             N_("edit the todo list during an interactive rebase"),
  57                             EDIT_TODO),
  58                 OPT_CMDMODE(0, "prepare-branch", &command,
  59                             N_("prepare the branch to be rebased"), PREPARE_BRANCH),
  60                 OPT_CMDMODE(0, "checkout-onto", &command,
  61                             N_("checkout a commit"), CHECKOUT_ONTO),
  62                 OPT_CMDMODE(0, "complete-action", &command,
  63                             N_("complete the action"), COMPLETE_ACTION),
  64                 OPT_END()
  65         };
  66
  67         sequencer_init_config(&opts);
  68         git_config_get_bool("rebase.abbreviatecommands", &abbreviate_commands);
  69
  70         opts.action = REPLAY_INTERACTIVE_REBASE;
  71         opts.allow_ff = 1;
  72         opts.allow_empty = 1;
  73
  74         argc = parse_options(argc, argv, NULL, options,
  75                         builtin_rebase_helper_usage, PARSE_OPT_KEEP_ARGV0);
  76
  77         flags |= keep_empty ? TODO_LIST_KEEP_EMPTY : 0;
  78         flags |= abbreviate_commands ? TODO_LIST_ABBREVIATE_CMDS : 0;
  79         flags |= rebase_merges ? TODO_LIST_REBASE_MERGES : 0;
  80         flags |= rebase_cousins > 0 ? TODO_LIST_REBASE_COUSINS : 0;
  81         flags |= command == SHORTEN_OIDS ? TODO_LIST_SHORTEN_IDS : 0;
  82
  83         if (rebase_cousins >= 0 && !rebase_merges)
  84                 warning(_("--[no-]rebase-cousins has no effect without "
  85                           "--rebase-merges"));
  86
  87         if (command == CONTINUE && argc == 1)
  88                 return !!sequencer_continue(&opts);
  89         if (command == ABORT && argc == 1)
  90                 return !!sequencer_remove_state(&opts);
  91         if (command == MAKE_SCRIPT && argc > 1)
  92                 return !!sequencer_make_script(stdout, argc, argv, flags);
  93         if ((command == SHORTEN_OIDS || command == EXPAND_OIDS) && argc == 1)
  94                 return !!transform_todos(flags);
  95         if (command == CHECK_TODO_LIST && argc == 1)
  96                 return !!check_todo_list();
  97         if (command == SKIP_UNNECESSARY_PICKS && argc == 1) {
  98                 struct object_id oid;
  99                 int ret = skip_unnecessary_picks(&oid);
 100
 101                 if (!ret)
 102                         puts(oid_to_hex(&oid));
 103                 return !!ret;
 104         }
 105         if (command == REARRANGE_SQUASH && argc == 1)
 106                 return !!rearrange_squash();
 107         if (command == ADD_EXEC && argc == 2)
 108                 return !!sequencer_add_exec_commands(argv[1]);
 109         if (command == APPEND_TODO_HELP && argc == 1)
 110                 return !!append_todo_help_to_file(0, keep_empty);
 111         if (command == EDIT_TODO && argc == 1)
 112                 return !!edit_todo_list(flags);
 113         if (command == PREPARE_BRANCH && argc == 2)
 114                 return !!prepare_branch_to_be_rebased(&opts, argv[1]);
 115         if (command == CHECKOUT_ONTO && argc == 4)
 116                 return !!checkout_onto(&opts, argv[1], argv[2], argv[3]);
 117         if (command == COMPLETE_ACTION && argc == 6)
 118                 return !!complete_action(&opts, flags, argv[1], argv[2], argv[3],
 119                                          argv[4], argv[5], autosquash);
 120
 121         usage_with_options(builtin_rebase_helper_usage, options);
 122 }