1 /* 2 * Builtin "git interpret-trailers" 3 * 4 * Copyright (c) 2013, 2014 Christian Couder <chriscool@tuxfamily.org> 5 * 6 */ 7 8 #include "cache.h" 9 #include "builtin.h" 10 #include "parse-options.h" 11 #include "string-list.h" 12 #include "trailer.h" 13 #include "config.h" 14 15 static const char * const git_interpret_trailers_usage[] = { 16 N_("git interpret-trailers [--in-place] [--trim-empty] [(--trailer <token>[(=|:)<value>])...] [<file>...]"), 17 NULL 18 }; 19 20 static enum trailer_where where; 21 static enum trailer_if_exists if_exists; 22 static enum trailer_if_missing if_missing; 23 24 static int option_parse_where(const struct option *opt, 25 const char *arg, int unset) 26 { 27 return trailer_set_where(&where, arg); 28 } copy_templates_1(struct strbuf * path,struct strbuf * template_path,DIR * dir)29 30 static int option_parse_if_exists(const struct option *opt, 31 const char *arg, int unset) 32 { 33 return trailer_set_if_exists(&if_exists, arg); 34 } 35 36 static int option_parse_if_missing(const struct option *opt, 37 const char *arg, int unset) 38 { 39 return trailer_set_if_missing(&if_missing, arg); 40 } 41 42 static void new_trailers_clear(struct list_head *trailers) 43 { 44 struct list_head *pos, *tmp; 45 struct new_trailer_item *item; 46 47 list_for_each_safe(pos, tmp, trailers) { 48 item = list_entry(pos, struct new_trailer_item, list); 49 list_del(pos); 50 free(item); 51 } 52 } 53 54 static int option_parse_trailer(const struct option *opt, 55 const char *arg, int unset) 56 { 57 struct list_head *trailers = opt->value; 58 struct new_trailer_item *item; 59 60 if (unset) { 61 new_trailers_clear(trailers); 62 return 0; 63 } 64 65 if (!arg) 66 return -1; 67 68 item = xmalloc(sizeof(*item)); 69 item->text = arg; 70 item->where = where; 71 item->if_exists = if_exists; 72 item->if_missing = if_missing; 73 list_add_tail(&item->list, trailers); 74 return 0; 75 } 76 77 static int parse_opt_parse(const struct option *opt, const char *arg, 78 int unset) 79 { 80 struct process_trailer_options *v = opt->value; 81 v->only_trailers = 1; 82 v->only_input = 1; 83 v->unfold = 1; 84 BUG_ON_OPT_NEG(unset); 85 BUG_ON_OPT_ARG(arg); 86 return 0; 87 } 88 89 int cmd_interpret_trailers(int argc, const char **argv, const char *prefix) 90 { 91 struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT; 92 LIST_HEAD(trailers); 93 94 struct option options[] = { 95 OPT_BOOL(0, "in-place", &opts.in_place, N_("edit files in place")), copy_templates(const char * template_dir,const char * init_template_dir)96 OPT_BOOL(0, "trim-empty", &opts.trim_empty, N_("trim empty trailers")), 97 98 OPT_CALLBACK(0, "where", NULL, N_("action"), 99 N_("where to place the new trailer"), option_parse_where), 100 OPT_CALLBACK(0, "if-exists", NULL, N_("action"), 101 N_("action if trailer already exists"), option_parse_if_exists), 102 OPT_CALLBACK(0, "if-missing", NULL, N_("action"), 103 N_("action if trailer is missing"), option_parse_if_missing), 104 105 OPT_BOOL(0, "only-trailers", &opts.only_trailers, N_("output only the trailers")), 106 OPT_BOOL(0, "only-input", &opts.only_input, N_("do not apply config rules")), 107 OPT_BOOL(0, "unfold", &opts.unfold, N_("join whitespace-continued values")), 108 OPT_CALLBACK_F(0, "parse", &opts, NULL, N_("set parsing options"), 109 PARSE_OPT_NOARG | PARSE_OPT_NONEG, parse_opt_parse), 110 OPT_BOOL(0, "no-divider", &opts.no_divider, N_("do not treat --- specially")), 111 OPT_CALLBACK(0, "trailer", &trailers, N_("trailer"), 112 N_("trailer(s) to add"), option_parse_trailer), 113 OPT_END() 114 }; 115 116 git_config(git_default_config, NULL); 117 118 argc = parse_options(argc, argv, prefix, options, 119 git_interpret_trailers_usage, 0); 120 121 if (opts.only_input && !list_empty(&trailers)) 122 usage_msg_opt( 123 _("--trailer with --only-input does not make sense"), 124 git_interpret_trailers_usage, 125 options); 126 127 if (argc) { 128 int i; 129 for (i = 0; i < argc; i++) 130 process_trailers(argv[i], &opts, &trailers); 131 } else { 132 if (opts.in_place) 133 die(_("no input file given for in-place editing")); 134 process_trailers(NULL, &opts, &trailers); 135 } 136 137 new_trailers_clear(&trailers); 138 139 return 0; 140 } 141