| /* |
| * Builtin "git interpret-trailers" |
| * |
| * Copyright (c) 2013, 2014 Christian Couder <chriscool@tuxfamily.org> |
| * |
| */ |
| |
| #include "cache.h" |
| #include "builtin.h" |
| #include "parse-options.h" |
| #include "string-list.h" |
| #include "trailer.h" |
| |
| static const char * const git_interpret_trailers_usage[] = { |
| N_("git interpret-trailers [--in-place] [--trim-empty] [(--trailer <token>[(=|:)<value>])...] [<file>...]"), |
| NULL |
| }; |
| |
| static enum trailer_where where; |
| static enum trailer_if_exists if_exists; |
| static enum trailer_if_missing if_missing; |
| |
| static int option_parse_where(const struct option *opt, |
| const char *arg, int unset) |
| { |
| return trailer_set_where(&where, arg); |
| } |
| |
| static int option_parse_if_exists(const struct option *opt, |
| const char *arg, int unset) |
| { |
| return trailer_set_if_exists(&if_exists, arg); |
| } |
| |
| static int option_parse_if_missing(const struct option *opt, |
| const char *arg, int unset) |
| { |
| return trailer_set_if_missing(&if_missing, arg); |
| } |
| |
| static void new_trailers_clear(struct list_head *trailers) |
| { |
| struct list_head *pos, *tmp; |
| struct new_trailer_item *item; |
| |
| list_for_each_safe(pos, tmp, trailers) { |
| item = list_entry(pos, struct new_trailer_item, list); |
| list_del(pos); |
| free(item); |
| } |
| } |
| |
| static int option_parse_trailer(const struct option *opt, |
| const char *arg, int unset) |
| { |
| struct list_head *trailers = opt->value; |
| struct new_trailer_item *item; |
| |
| if (unset) { |
| new_trailers_clear(trailers); |
| return 0; |
| } |
| |
| if (!arg) |
| return -1; |
| |
| item = xmalloc(sizeof(*item)); |
| item->text = arg; |
| item->where = where; |
| item->if_exists = if_exists; |
| item->if_missing = if_missing; |
| list_add_tail(&item->list, trailers); |
| return 0; |
| } |
| |
| static int parse_opt_parse(const struct option *opt, const char *arg, |
| int unset) |
| { |
| struct process_trailer_options *v = opt->value; |
| v->only_trailers = 1; |
| v->only_input = 1; |
| v->unfold = 1; |
| BUG_ON_OPT_NEG(unset); |
| BUG_ON_OPT_ARG(arg); |
| return 0; |
| } |
| |
| int cmd_interpret_trailers(int argc, const char **argv, const char *prefix) |
| { |
| struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT; |
| LIST_HEAD(trailers); |
| |
| struct option options[] = { |
| OPT_BOOL(0, "in-place", &opts.in_place, N_("edit files in place")), |
| OPT_BOOL(0, "trim-empty", &opts.trim_empty, N_("trim empty trailers")), |
| |
| OPT_CALLBACK(0, "where", NULL, N_("action"), |
| N_("where to place the new trailer"), option_parse_where), |
| OPT_CALLBACK(0, "if-exists", NULL, N_("action"), |
| N_("action if trailer already exists"), option_parse_if_exists), |
| OPT_CALLBACK(0, "if-missing", NULL, N_("action"), |
| N_("action if trailer is missing"), option_parse_if_missing), |
| |
| OPT_BOOL(0, "only-trailers", &opts.only_trailers, N_("output only the trailers")), |
| OPT_BOOL(0, "only-input", &opts.only_input, N_("do not apply config rules")), |
| OPT_BOOL(0, "unfold", &opts.unfold, N_("join whitespace-continued values")), |
| { OPTION_CALLBACK, 0, "parse", &opts, NULL, N_("set parsing options"), |
| PARSE_OPT_NOARG | PARSE_OPT_NONEG, parse_opt_parse }, |
| OPT_BOOL(0, "no-divider", &opts.no_divider, N_("do not treat --- specially")), |
| OPT_CALLBACK(0, "trailer", &trailers, N_("trailer"), |
| N_("trailer(s) to add"), option_parse_trailer), |
| OPT_END() |
| }; |
| |
| argc = parse_options(argc, argv, prefix, options, |
| git_interpret_trailers_usage, 0); |
| |
| if (opts.only_input && !list_empty(&trailers)) |
| usage_msg_opt( |
| _("--trailer with --only-input does not make sense"), |
| git_interpret_trailers_usage, |
| options); |
| |
| if (argc) { |
| int i; |
| for (i = 0; i < argc; i++) |
| process_trailers(argv[i], &opts, &trailers); |
| } else { |
| if (opts.in_place) |
| die(_("no input file given for in-place editing")); |
| process_trailers(NULL, &opts, &trailers); |
| } |
| |
| new_trailers_clear(&trailers); |
| |
| return 0; |
| } |