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Commit | Line | Data |
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d0bfd026 | 1 | #include "builtin.h" |
6b06d518 | 2 | #include "cache.h" |
b2141fc1 | 3 | #include "config.h" |
d0bfd026 JH |
4 | #include "attr.h" |
5 | #include "quote.h" | |
b4666852 | 6 | #include "parse-options.h" |
d0bfd026 | 7 | |
4ca0f188 | 8 | static int all_attrs; |
b2b3e9c2 | 9 | static int cached_attrs; |
b4666852 DP |
10 | static int stdin_paths; |
11 | static const char * const check_attr_usage[] = { | |
9c9b4f2f | 12 | N_("git check-attr [-a | --all | <attr>...] [--] <pathname>..."), |
33e8fc87 | 13 | N_("git check-attr --stdin [-z] [-a | --all | <attr>...]"), |
b4666852 DP |
14 | NULL |
15 | }; | |
16 | ||
94a55e4e | 17 | static int nul_term_line; |
b4666852 DP |
18 | |
19 | static const struct option check_attr_options[] = { | |
d5d09d47 SB |
20 | OPT_BOOL('a', "all", &all_attrs, N_("report all attributes set on file")), |
21 | OPT_BOOL(0, "cached", &cached_attrs, N_("use .gitattributes only from the index")), | |
22 | OPT_BOOL(0 , "stdin", &stdin_paths, N_("read file names from stdin")), | |
a86a8b97 JH |
23 | OPT_BOOL('z', NULL, &nul_term_line, |
24 | N_("terminate input and output records by a NUL character")), | |
b4666852 DP |
25 | OPT_END() |
26 | }; | |
d0bfd026 | 27 | |
7f864111 | 28 | static void output_attr(struct attr_check *check, const char *file) |
41038c5e DP |
29 | { |
30 | int j; | |
7f864111 JH |
31 | int cnt = check->nr; |
32 | ||
41038c5e | 33 | for (j = 0; j < cnt; j++) { |
7f864111 | 34 | const char *value = check->items[j].value; |
41038c5e DP |
35 | |
36 | if (ATTR_TRUE(value)) | |
37 | value = "set"; | |
38 | else if (ATTR_FALSE(value)) | |
39 | value = "unset"; | |
40 | else if (ATTR_UNSET(value)) | |
41 | value = "unspecified"; | |
42 | ||
f7cd8c50 JH |
43 | if (nul_term_line) { |
44 | printf("%s%c" /* path */ | |
45 | "%s%c" /* attrname */ | |
46 | "%s%c" /* attrvalue */, | |
7f864111 JH |
47 | file, 0, |
48 | git_attr_name(check->items[j].attr), 0, value, 0); | |
f7cd8c50 JH |
49 | } else { |
50 | quote_c_style(file, NULL, stdout, 0); | |
7f864111 JH |
51 | printf(": %s: %s\n", |
52 | git_attr_name(check->items[j].attr), value); | |
f7cd8c50 | 53 | } |
41038c5e DP |
54 | } |
55 | } | |
56 | ||
7bd18054 | 57 | static void check_attr(const char *prefix, |
7f864111 JH |
58 | struct attr_check *check, |
59 | int collect_all, | |
7bd18054 | 60 | const char *file) |
46f96a6d | 61 | { |
f5114a40 MH |
62 | char *full_path = |
63 | prefix_path(prefix, prefix ? strlen(prefix) : 0, file); | |
7f864111 JH |
64 | |
65 | if (collect_all) { | |
7a400a2c | 66 | git_all_attrs(&the_index, full_path, check); |
4ca0f188 | 67 | } else { |
d64324cb | 68 | git_check_attr(&the_index, full_path, check); |
4ca0f188 | 69 | } |
7f864111 JH |
70 | output_attr(check, file); |
71 | ||
f5114a40 | 72 | free(full_path); |
46f96a6d MH |
73 | } |
74 | ||
7bd18054 | 75 | static void check_attr_stdin_paths(const char *prefix, |
7f864111 JH |
76 | struct attr_check *check, |
77 | int collect_all) | |
b4666852 | 78 | { |
0d4cc1b4 JK |
79 | struct strbuf buf = STRBUF_INIT; |
80 | struct strbuf unquoted = STRBUF_INIT; | |
f418afa9 | 81 | strbuf_getline_fn getline_fn; |
b4666852 | 82 | |
f418afa9 | 83 | getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; |
f418afa9 JH |
84 | while (getline_fn(&buf, stdin) != EOF) { |
85 | if (!nul_term_line && buf.buf[0] == '"') { | |
0d4cc1b4 JK |
86 | strbuf_reset(&unquoted); |
87 | if (unquote_c_style(&unquoted, buf.buf, NULL)) | |
b4666852 | 88 | die("line is badly quoted"); |
0d4cc1b4 | 89 | strbuf_swap(&buf, &unquoted); |
b4666852 | 90 | } |
7f864111 | 91 | check_attr(prefix, check, collect_all, buf.buf); |
b4666852 DP |
92 | maybe_flush_or_die(stdout, "attribute to stdout"); |
93 | } | |
94 | strbuf_release(&buf); | |
0d4cc1b4 | 95 | strbuf_release(&unquoted); |
b4666852 DP |
96 | } |
97 | ||
9e37a7e1 MH |
98 | static NORETURN void error_with_usage(const char *msg) |
99 | { | |
100 | error("%s", msg); | |
101 | usage_with_options(check_attr_usage, check_attr_options); | |
102 | } | |
103 | ||
d0bfd026 JH |
104 | int cmd_check_attr(int argc, const char **argv, const char *prefix) |
105 | { | |
7f864111 | 106 | struct attr_check *check; |
d6541bb1 | 107 | int cnt, i, doubledash, filei; |
b4666852 | 108 | |
cdbf6232 JH |
109 | if (!is_bare_repository()) |
110 | setup_work_tree(); | |
111 | ||
64589a03 JH |
112 | git_config(git_default_config, NULL); |
113 | ||
37782920 SB |
114 | argc = parse_options(argc, argv, prefix, check_attr_options, |
115 | check_attr_usage, PARSE_OPT_KEEP_DASHDASH); | |
d0bfd026 | 116 | |
6b06d518 BD |
117 | if (read_cache() < 0) { |
118 | die("invalid cache"); | |
119 | } | |
120 | ||
b2b3e9c2 | 121 | if (cached_attrs) |
c4500e25 | 122 | git_attr_set_direction(GIT_ATTR_INDEX); |
b2b3e9c2 | 123 | |
d0bfd026 | 124 | doubledash = -1; |
b4666852 | 125 | for (i = 0; doubledash < 0 && i < argc; i++) { |
d0bfd026 JH |
126 | if (!strcmp(argv[i], "--")) |
127 | doubledash = i; | |
128 | } | |
129 | ||
4ca0f188 MH |
130 | /* Process --all and/or attribute arguments: */ |
131 | if (all_attrs) { | |
132 | if (doubledash >= 1) | |
133 | error_with_usage("Attributes and --all both specified"); | |
134 | ||
135 | cnt = 0; | |
136 | filei = doubledash + 1; | |
137 | } else if (doubledash == 0) { | |
72541040 MH |
138 | error_with_usage("No attribute specified"); |
139 | } else if (doubledash < 0) { | |
72541040 MH |
140 | if (!argc) |
141 | error_with_usage("No attribute specified"); | |
142 | ||
ca64d061 MH |
143 | if (stdin_paths) { |
144 | /* Treat all arguments as attribute names. */ | |
145 | cnt = argc; | |
146 | filei = argc; | |
147 | } else { | |
148 | /* Treat exactly one argument as an attribute name. */ | |
149 | cnt = 1; | |
150 | filei = 1; | |
151 | } | |
d6541bb1 | 152 | } else { |
b4666852 | 153 | cnt = doubledash; |
d6541bb1 MH |
154 | filei = doubledash + 1; |
155 | } | |
d0bfd026 | 156 | |
72541040 | 157 | /* Check file argument(s): */ |
fdf6be82 MH |
158 | if (stdin_paths) { |
159 | if (filei < argc) | |
160 | error_with_usage("Can't specify files with --stdin"); | |
161 | } else { | |
162 | if (filei >= argc) | |
163 | error_with_usage("No file specified"); | |
164 | } | |
b4666852 | 165 | |
7f864111 JH |
166 | check = attr_check_alloc(); |
167 | if (!all_attrs) { | |
4ca0f188 | 168 | for (i = 0; i < cnt; i++) { |
e810e063 BW |
169 | const struct git_attr *a = git_attr(argv[i]); |
170 | ||
4ca0f188 MH |
171 | if (!a) |
172 | return error("%s: not a valid attribute name", | |
7f864111 JH |
173 | argv[i]); |
174 | attr_check_append(check, a); | |
4ca0f188 | 175 | } |
d0bfd026 JH |
176 | } |
177 | ||
b4666852 | 178 | if (stdin_paths) |
7f864111 | 179 | check_attr_stdin_paths(prefix, check, all_attrs); |
b4666852 | 180 | else { |
d6541bb1 | 181 | for (i = filei; i < argc; i++) |
7f864111 | 182 | check_attr(prefix, check, all_attrs, argv[i]); |
b4666852 DP |
183 | maybe_flush_or_die(stdout, "attribute to stdout"); |
184 | } | |
7f864111 JH |
185 | |
186 | attr_check_free(check); | |
d0bfd026 JH |
187 | return 0; |
188 | } |