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6634f054 CC |
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 | ||
14 | static const char * const git_interpret_trailers_usage[] = { | |
e1f89863 | 15 | N_("git interpret-trailers [--in-place] [--trim-empty] [(--trailer <token>[(=|:)<value>])...] [<file>...]"), |
6634f054 CC |
16 | NULL |
17 | }; | |
18 | ||
0ea5292e PB |
19 | static enum trailer_where where; |
20 | static enum trailer_if_exists if_exists; | |
21 | static enum trailer_if_missing if_missing; | |
22 | ||
23 | static int option_parse_where(const struct option *opt, | |
24 | const char *arg, int unset) | |
25 | { | |
26 | return trailer_set_where(&where, arg); | |
27 | } | |
28 | ||
29 | static int option_parse_if_exists(const struct option *opt, | |
30 | const char *arg, int unset) | |
31 | { | |
32 | return trailer_set_if_exists(&if_exists, arg); | |
33 | } | |
34 | ||
35 | static int option_parse_if_missing(const struct option *opt, | |
36 | const char *arg, int unset) | |
37 | { | |
38 | return trailer_set_if_missing(&if_missing, arg); | |
39 | } | |
40 | ||
51166b87 PB |
41 | static void new_trailers_clear(struct list_head *trailers) |
42 | { | |
43 | struct list_head *pos, *tmp; | |
44 | struct new_trailer_item *item; | |
45 | ||
46 | list_for_each_safe(pos, tmp, trailers) { | |
47 | item = list_entry(pos, struct new_trailer_item, list); | |
48 | list_del(pos); | |
49 | free(item); | |
50 | } | |
51 | } | |
52 | ||
53 | static int option_parse_trailer(const struct option *opt, | |
54 | const char *arg, int unset) | |
55 | { | |
56 | struct list_head *trailers = opt->value; | |
57 | struct new_trailer_item *item; | |
58 | ||
59 | if (unset) { | |
60 | new_trailers_clear(trailers); | |
61 | return 0; | |
62 | } | |
63 | ||
64 | if (!arg) | |
65 | return -1; | |
66 | ||
67 | item = xmalloc(sizeof(*item)); | |
68 | item->text = arg; | |
0ea5292e PB |
69 | item->where = where; |
70 | item->if_exists = if_exists; | |
71 | item->if_missing = if_missing; | |
51166b87 PB |
72 | list_add_tail(&item->list, trailers); |
73 | return 0; | |
74 | } | |
75 | ||
99e09daf JK |
76 | static int parse_opt_parse(const struct option *opt, const char *arg, |
77 | int unset) | |
78 | { | |
79 | struct process_trailer_options *v = opt->value; | |
80 | v->only_trailers = 1; | |
81 | v->only_input = 1; | |
82 | v->unfold = 1; | |
517fe807 JK |
83 | BUG_ON_OPT_NEG(unset); |
84 | BUG_ON_OPT_ARG(arg); | |
99e09daf JK |
85 | return 0; |
86 | } | |
87 | ||
6634f054 CC |
88 | int cmd_interpret_trailers(int argc, const char **argv, const char *prefix) |
89 | { | |
8abc8980 | 90 | struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT; |
51166b87 | 91 | LIST_HEAD(trailers); |
6634f054 CC |
92 | |
93 | struct option options[] = { | |
8abc8980 JK |
94 | OPT_BOOL(0, "in-place", &opts.in_place, N_("edit files in place")), |
95 | OPT_BOOL(0, "trim-empty", &opts.trim_empty, N_("trim empty trailers")), | |
51166b87 | 96 | |
0ea5292e PB |
97 | OPT_CALLBACK(0, "where", NULL, N_("action"), |
98 | N_("where to place the new trailer"), option_parse_where), | |
99 | OPT_CALLBACK(0, "if-exists", NULL, N_("action"), | |
100 | N_("action if trailer already exists"), option_parse_if_exists), | |
101 | OPT_CALLBACK(0, "if-missing", NULL, N_("action"), | |
102 | N_("action if trailer is missing"), option_parse_if_missing), | |
103 | ||
56c493ed | 104 | OPT_BOOL(0, "only-trailers", &opts.only_trailers, N_("output only the trailers")), |
fdbdb64f | 105 | OPT_BOOL(0, "only-input", &opts.only_input, N_("do not apply config rules")), |
00002396 | 106 | OPT_BOOL(0, "unfold", &opts.unfold, N_("join whitespace-continued values")), |
99e09daf JK |
107 | { OPTION_CALLBACK, 0, "parse", &opts, NULL, N_("set parsing options"), |
108 | PARSE_OPT_NOARG | PARSE_OPT_NONEG, parse_opt_parse }, | |
1688c9a4 | 109 | OPT_BOOL(0, "no-divider", &opts.no_divider, N_("do not treat --- specially")), |
51166b87 PB |
110 | OPT_CALLBACK(0, "trailer", &trailers, N_("trailer"), |
111 | N_("trailer(s) to add"), option_parse_trailer), | |
6634f054 CC |
112 | OPT_END() |
113 | }; | |
114 | ||
115 | argc = parse_options(argc, argv, prefix, options, | |
116 | git_interpret_trailers_usage, 0); | |
117 | ||
06cf4f2d | 118 | if (opts.only_input && !list_empty(&trailers)) |
fdbdb64f JK |
119 | usage_msg_opt( |
120 | _("--trailer with --only-input does not make sense"), | |
121 | git_interpret_trailers_usage, | |
122 | options); | |
123 | ||
6634f054 CC |
124 | if (argc) { |
125 | int i; | |
126 | for (i = 0; i < argc; i++) | |
8abc8980 | 127 | process_trailers(argv[i], &opts, &trailers); |
e1f89863 | 128 | } else { |
8abc8980 | 129 | if (opts.in_place) |
e1f89863 | 130 | die(_("no input file given for in-place editing")); |
8abc8980 | 131 | process_trailers(NULL, &opts, &trailers); |
e1f89863 | 132 | } |
6634f054 | 133 | |
51166b87 | 134 | new_trailers_clear(&trailers); |
6634f054 CC |
135 | |
136 | return 0; | |
137 | } |