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Commit | Line | Data |
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d0bfd026 | 1 | #include "builtin.h" |
6b06d518 | 2 | #include "cache.h" |
d0bfd026 JH |
3 | #include "attr.h" |
4 | #include "quote.h" | |
b4666852 | 5 | #include "parse-options.h" |
d0bfd026 | 6 | |
4ca0f188 | 7 | static int all_attrs; |
b2b3e9c2 | 8 | static int cached_attrs; |
b4666852 DP |
9 | static int stdin_paths; |
10 | static const char * const check_attr_usage[] = { | |
4ca0f188 MH |
11 | "git check-attr [-a | --all | attr...] [--] pathname...", |
12 | "git check-attr --stdin [-a | --all | attr...] < <list-of-paths>", | |
b4666852 DP |
13 | NULL |
14 | }; | |
15 | ||
16 | static int null_term_line; | |
17 | ||
18 | static const struct option check_attr_options[] = { | |
4ca0f188 | 19 | OPT_BOOLEAN('a', "all", &all_attrs, "report all attributes set on file"), |
b2b3e9c2 | 20 | OPT_BOOLEAN(0, "cached", &cached_attrs, "use .gitattributes only from the index"), |
b4666852 DP |
21 | OPT_BOOLEAN(0 , "stdin", &stdin_paths, "read file names from stdin"), |
22 | OPT_BOOLEAN('z', NULL, &null_term_line, | |
23 | "input paths are terminated by a null character"), | |
24 | OPT_END() | |
25 | }; | |
d0bfd026 | 26 | |
46f96a6d | 27 | static void output_attr(int cnt, struct git_attr_check *check, |
66a1fb30 | 28 | const char *file) |
41038c5e DP |
29 | { |
30 | int j; | |
41038c5e DP |
31 | for (j = 0; j < cnt; j++) { |
32 | const char *value = check[j].value; | |
33 | ||
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"; | |
40 | ||
41 | quote_c_style(file, NULL, stdout, 0); | |
66a1fb30 | 42 | printf(": %s: %s\n", git_attr_name(check[j].attr), value); |
41038c5e DP |
43 | } |
44 | } | |
45 | ||
f5114a40 MH |
46 | static void check_attr(const char *prefix, int cnt, |
47 | struct git_attr_check *check, const char *file) | |
46f96a6d | 48 | { |
f5114a40 MH |
49 | char *full_path = |
50 | prefix_path(prefix, prefix ? strlen(prefix) : 0, file); | |
4ca0f188 | 51 | if (check != NULL) { |
f5114a40 | 52 | if (git_check_attr(full_path, cnt, check)) |
d932f4eb | 53 | die("git_check_attr died"); |
4ca0f188 MH |
54 | output_attr(cnt, check, file); |
55 | } else { | |
f5114a40 | 56 | if (git_all_attrs(full_path, &cnt, &check)) |
4ca0f188 MH |
57 | die("git_all_attrs died"); |
58 | output_attr(cnt, check, file); | |
59 | free(check); | |
60 | } | |
f5114a40 | 61 | free(full_path); |
46f96a6d MH |
62 | } |
63 | ||
f5114a40 MH |
64 | static void check_attr_stdin_paths(const char *prefix, int cnt, |
65 | struct git_attr_check *check) | |
b4666852 DP |
66 | { |
67 | struct strbuf buf, nbuf; | |
68 | int line_termination = null_term_line ? 0 : '\n'; | |
69 | ||
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); | |
78 | } | |
f5114a40 | 79 | check_attr(prefix, cnt, check, buf.buf); |
b4666852 DP |
80 | maybe_flush_or_die(stdout, "attribute to stdout"); |
81 | } | |
82 | strbuf_release(&buf); | |
83 | strbuf_release(&nbuf); | |
84 | } | |
85 | ||
9e37a7e1 MH |
86 | static NORETURN void error_with_usage(const char *msg) |
87 | { | |
88 | error("%s", msg); | |
89 | usage_with_options(check_attr_usage, check_attr_options); | |
90 | } | |
91 | ||
d0bfd026 JH |
92 | int cmd_check_attr(int argc, const char **argv, const char *prefix) |
93 | { | |
94 | struct git_attr_check *check; | |
d6541bb1 | 95 | int cnt, i, doubledash, filei; |
b4666852 | 96 | |
64589a03 JH |
97 | git_config(git_default_config, NULL); |
98 | ||
37782920 SB |
99 | argc = parse_options(argc, argv, prefix, check_attr_options, |
100 | check_attr_usage, PARSE_OPT_KEEP_DASHDASH); | |
d0bfd026 | 101 | |
6b06d518 BD |
102 | if (read_cache() < 0) { |
103 | die("invalid cache"); | |
104 | } | |
105 | ||
b2b3e9c2 JS |
106 | if (cached_attrs) |
107 | git_attr_set_direction(GIT_ATTR_INDEX, NULL); | |
108 | ||
d0bfd026 | 109 | doubledash = -1; |
b4666852 | 110 | for (i = 0; doubledash < 0 && i < argc; i++) { |
d0bfd026 JH |
111 | if (!strcmp(argv[i], "--")) |
112 | doubledash = i; | |
113 | } | |
114 | ||
4ca0f188 MH |
115 | /* Process --all and/or attribute arguments: */ |
116 | if (all_attrs) { | |
117 | if (doubledash >= 1) | |
118 | error_with_usage("Attributes and --all both specified"); | |
119 | ||
120 | cnt = 0; | |
121 | filei = doubledash + 1; | |
122 | } else if (doubledash == 0) { | |
72541040 MH |
123 | error_with_usage("No attribute specified"); |
124 | } else if (doubledash < 0) { | |
72541040 MH |
125 | if (!argc) |
126 | error_with_usage("No attribute specified"); | |
127 | ||
ca64d061 MH |
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; | |
136 | } | |
d6541bb1 | 137 | } else { |
b4666852 | 138 | cnt = doubledash; |
d6541bb1 MH |
139 | filei = doubledash + 1; |
140 | } | |
d0bfd026 | 141 | |
72541040 | 142 | /* Check file argument(s): */ |
fdf6be82 MH |
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"); | |
149 | } | |
b4666852 | 150 | |
4ca0f188 MH |
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; | |
164 | } | |
d0bfd026 JH |
165 | } |
166 | ||
b4666852 | 167 | if (stdin_paths) |
f5114a40 | 168 | check_attr_stdin_paths(prefix, cnt, check); |
b4666852 | 169 | else { |
d6541bb1 | 170 | for (i = filei; i < argc; i++) |
f5114a40 | 171 | check_attr(prefix, cnt, check, argv[i]); |
b4666852 DP |
172 | maybe_flush_or_die(stdout, "attribute to stdout"); |
173 | } | |
d0bfd026 JH |
174 | return 0; |
175 | } |