French translation: copy -> copie.
[git/dscho.git] / builtin / check-attr.c
blob075d01d30c58d40abb48ff820ba6f8d310f785d0
1 #include "builtin.h"
2 #include "cache.h"
3 #include "attr.h"
4 #include "quote.h"
5 #include "parse-options.h"
7 static int all_attrs;
8 static int cached_attrs;
9 static int stdin_paths;
10 static const char * const check_attr_usage[] = {
11 N_("git check-attr [-a | --all | attr...] [--] pathname..."),
12 N_("git check-attr --stdin [-z] [-a | --all | attr...] < <list-of-paths>"),
13 NULL
16 static int null_term_line;
18 static const struct option check_attr_options[] = {
19 OPT_BOOLEAN('a', "all", &all_attrs, N_("report all attributes set on file")),
20 OPT_BOOLEAN(0, "cached", &cached_attrs, N_("use .gitattributes only from the index")),
21 OPT_BOOLEAN(0 , "stdin", &stdin_paths, N_("read file names from stdin")),
22 OPT_BOOLEAN('z', NULL, &null_term_line,
23 N_("input paths are terminated by a null character")),
24 OPT_END()
27 static void output_attr(int cnt, struct git_attr_check *check,
28 const char *file)
30 int j;
31 for (j = 0; j < cnt; j++) {
32 const char *value = check[j].value;
34 if (ATTR_TRUE(value))
35 value = "set";
36 else if (ATTR_FALSE(value))
37 value = "unset";
38 else if (ATTR_UNSET(value))
39 value = "unspecified";
41 quote_c_style(file, NULL, stdout, 0);
42 printf(": %s: %s\n", git_attr_name(check[j].attr), value);
46 static void check_attr(const char *prefix, int cnt,
47 struct git_attr_check *check, const char *file)
49 char *full_path =
50 prefix_path(prefix, prefix ? strlen(prefix) : 0, file);
51 if (check != NULL) {
52 if (git_check_attr(full_path, cnt, check))
53 die("git_check_attr died");
54 output_attr(cnt, check, file);
55 } else {
56 if (git_all_attrs(full_path, &cnt, &check))
57 die("git_all_attrs died");
58 output_attr(cnt, check, file);
59 free(check);
61 free(full_path);
64 static void check_attr_stdin_paths(const char *prefix, int cnt,
65 struct git_attr_check *check)
67 struct strbuf buf, nbuf;
68 int line_termination = null_term_line ? 0 : '\n';
70 strbuf_init(&buf, 0);
71 strbuf_init(&nbuf, 0);
72 while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
73 if (line_termination && buf.buf[0] == '"') {
74 strbuf_reset(&nbuf);
75 if (unquote_c_style(&nbuf, buf.buf, NULL))
76 die("line is badly quoted");
77 strbuf_swap(&buf, &nbuf);
79 check_attr(prefix, cnt, check, buf.buf);
80 maybe_flush_or_die(stdout, "attribute to stdout");
82 strbuf_release(&buf);
83 strbuf_release(&nbuf);
86 static NORETURN void error_with_usage(const char *msg)
88 error("%s", msg);
89 usage_with_options(check_attr_usage, check_attr_options);
92 int cmd_check_attr(int argc, const char **argv, const char *prefix)
94 struct git_attr_check *check;
95 int cnt, i, doubledash, filei;
97 git_config(git_default_config, NULL);
99 argc = parse_options(argc, argv, prefix, check_attr_options,
100 check_attr_usage, PARSE_OPT_KEEP_DASHDASH);
102 if (read_cache() < 0) {
103 die("invalid cache");
106 if (cached_attrs)
107 git_attr_set_direction(GIT_ATTR_INDEX, NULL);
109 doubledash = -1;
110 for (i = 0; doubledash < 0 && i < argc; i++) {
111 if (!strcmp(argv[i], "--"))
112 doubledash = i;
115 /* Process --all and/or attribute arguments: */
116 if (all_attrs) {
117 if (doubledash >= 1)
118 error_with_usage("Attributes and --all both specified");
120 cnt = 0;
121 filei = doubledash + 1;
122 } else if (doubledash == 0) {
123 error_with_usage("No attribute specified");
124 } else if (doubledash < 0) {
125 if (!argc)
126 error_with_usage("No attribute specified");
128 if (stdin_paths) {
129 /* Treat all arguments as attribute names. */
130 cnt = argc;
131 filei = argc;
132 } else {
133 /* Treat exactly one argument as an attribute name. */
134 cnt = 1;
135 filei = 1;
137 } else {
138 cnt = doubledash;
139 filei = doubledash + 1;
142 /* Check file argument(s): */
143 if (stdin_paths) {
144 if (filei < argc)
145 error_with_usage("Can't specify files with --stdin");
146 } else {
147 if (filei >= argc)
148 error_with_usage("No file specified");
151 if (all_attrs) {
152 check = NULL;
153 } else {
154 check = xcalloc(cnt, sizeof(*check));
155 for (i = 0; i < cnt; i++) {
156 const char *name;
157 struct git_attr *a;
158 name = argv[i];
159 a = git_attr(name);
160 if (!a)
161 return error("%s: not a valid attribute name",
162 name);
163 check[i].attr = a;
167 if (stdin_paths)
168 check_attr_stdin_paths(prefix, cnt, check);
169 else {
170 for (i = filei; i < argc; i++)
171 check_attr(prefix, cnt, check, argv[i]);
172 maybe_flush_or_die(stdout, "attribute to stdout");
174 return 0;