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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[] = { | |
5a72beb7 | 11 | N_("git check-attr [-a | --all | attr...] [--] pathname..."), |
b61f55be | 12 | N_("git check-attr --stdin [-z] [-a | --all | attr...] < <list-of-paths>"), |
b4666852 DP |
13 | NULL |
14 | }; | |
15 | ||
94a55e4e | 16 | static int nul_term_line; |
b4666852 DP |
17 | |
18 | static const struct option check_attr_options[] = { | |
d5d09d47 SB |
19 | OPT_BOOL('a', "all", &all_attrs, N_("report all attributes set on file")), |
20 | OPT_BOOL(0, "cached", &cached_attrs, N_("use .gitattributes only from the index")), | |
21 | OPT_BOOL(0 , "stdin", &stdin_paths, N_("read file names from stdin")), | |
a86a8b97 JH |
22 | OPT_BOOL('z', NULL, &nul_term_line, |
23 | N_("terminate input and output records by a NUL character")), | |
b4666852 DP |
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 | ||
f7cd8c50 JH |
41 | if (nul_term_line) { |
42 | printf("%s%c" /* path */ | |
43 | "%s%c" /* attrname */ | |
44 | "%s%c" /* attrvalue */, | |
45 | file, 0, git_attr_name(check[j].attr), 0, value, 0); | |
46 | } else { | |
47 | quote_c_style(file, NULL, stdout, 0); | |
48 | printf(": %s: %s\n", git_attr_name(check[j].attr), value); | |
49 | } | |
50 | ||
41038c5e DP |
51 | } |
52 | } | |
53 | ||
f5114a40 MH |
54 | static void check_attr(const char *prefix, int cnt, |
55 | struct git_attr_check *check, const char *file) | |
46f96a6d | 56 | { |
f5114a40 MH |
57 | char *full_path = |
58 | prefix_path(prefix, prefix ? strlen(prefix) : 0, file); | |
4ca0f188 | 59 | if (check != NULL) { |
f5114a40 | 60 | if (git_check_attr(full_path, cnt, check)) |
d932f4eb | 61 | die("git_check_attr died"); |
4ca0f188 MH |
62 | output_attr(cnt, check, file); |
63 | } else { | |
f5114a40 | 64 | if (git_all_attrs(full_path, &cnt, &check)) |
4ca0f188 MH |
65 | die("git_all_attrs died"); |
66 | output_attr(cnt, check, file); | |
67 | free(check); | |
68 | } | |
f5114a40 | 69 | free(full_path); |
46f96a6d MH |
70 | } |
71 | ||
f5114a40 MH |
72 | static void check_attr_stdin_paths(const char *prefix, int cnt, |
73 | struct git_attr_check *check) | |
b4666852 DP |
74 | { |
75 | struct strbuf buf, nbuf; | |
94a55e4e | 76 | int line_termination = nul_term_line ? 0 : '\n'; |
b4666852 DP |
77 | |
78 | strbuf_init(&buf, 0); | |
79 | strbuf_init(&nbuf, 0); | |
80 | while (strbuf_getline(&buf, stdin, line_termination) != EOF) { | |
81 | if (line_termination && buf.buf[0] == '"') { | |
82 | strbuf_reset(&nbuf); | |
83 | if (unquote_c_style(&nbuf, buf.buf, NULL)) | |
84 | die("line is badly quoted"); | |
85 | strbuf_swap(&buf, &nbuf); | |
86 | } | |
f5114a40 | 87 | check_attr(prefix, cnt, check, buf.buf); |
b4666852 DP |
88 | maybe_flush_or_die(stdout, "attribute to stdout"); |
89 | } | |
90 | strbuf_release(&buf); | |
91 | strbuf_release(&nbuf); | |
92 | } | |
93 | ||
9e37a7e1 MH |
94 | static NORETURN void error_with_usage(const char *msg) |
95 | { | |
96 | error("%s", msg); | |
97 | usage_with_options(check_attr_usage, check_attr_options); | |
98 | } | |
99 | ||
d0bfd026 JH |
100 | int cmd_check_attr(int argc, const char **argv, const char *prefix) |
101 | { | |
102 | struct git_attr_check *check; | |
d6541bb1 | 103 | int cnt, i, doubledash, filei; |
b4666852 | 104 | |
cdbf6232 JH |
105 | if (!is_bare_repository()) |
106 | setup_work_tree(); | |
107 | ||
64589a03 JH |
108 | git_config(git_default_config, NULL); |
109 | ||
37782920 SB |
110 | argc = parse_options(argc, argv, prefix, check_attr_options, |
111 | check_attr_usage, PARSE_OPT_KEEP_DASHDASH); | |
d0bfd026 | 112 | |
6b06d518 BD |
113 | if (read_cache() < 0) { |
114 | die("invalid cache"); | |
115 | } | |
116 | ||
b2b3e9c2 JS |
117 | if (cached_attrs) |
118 | git_attr_set_direction(GIT_ATTR_INDEX, NULL); | |
119 | ||
d0bfd026 | 120 | doubledash = -1; |
b4666852 | 121 | for (i = 0; doubledash < 0 && i < argc; i++) { |
d0bfd026 JH |
122 | if (!strcmp(argv[i], "--")) |
123 | doubledash = i; | |
124 | } | |
125 | ||
4ca0f188 MH |
126 | /* Process --all and/or attribute arguments: */ |
127 | if (all_attrs) { | |
128 | if (doubledash >= 1) | |
129 | error_with_usage("Attributes and --all both specified"); | |
130 | ||
131 | cnt = 0; | |
132 | filei = doubledash + 1; | |
133 | } else if (doubledash == 0) { | |
72541040 MH |
134 | error_with_usage("No attribute specified"); |
135 | } else if (doubledash < 0) { | |
72541040 MH |
136 | if (!argc) |
137 | error_with_usage("No attribute specified"); | |
138 | ||
ca64d061 MH |
139 | if (stdin_paths) { |
140 | /* Treat all arguments as attribute names. */ | |
141 | cnt = argc; | |
142 | filei = argc; | |
143 | } else { | |
144 | /* Treat exactly one argument as an attribute name. */ | |
145 | cnt = 1; | |
146 | filei = 1; | |
147 | } | |
d6541bb1 | 148 | } else { |
b4666852 | 149 | cnt = doubledash; |
d6541bb1 MH |
150 | filei = doubledash + 1; |
151 | } | |
d0bfd026 | 152 | |
72541040 | 153 | /* Check file argument(s): */ |
fdf6be82 MH |
154 | if (stdin_paths) { |
155 | if (filei < argc) | |
156 | error_with_usage("Can't specify files with --stdin"); | |
157 | } else { | |
158 | if (filei >= argc) | |
159 | error_with_usage("No file specified"); | |
160 | } | |
b4666852 | 161 | |
4ca0f188 MH |
162 | if (all_attrs) { |
163 | check = NULL; | |
164 | } else { | |
165 | check = xcalloc(cnt, sizeof(*check)); | |
166 | for (i = 0; i < cnt; i++) { | |
167 | const char *name; | |
168 | struct git_attr *a; | |
169 | name = argv[i]; | |
170 | a = git_attr(name); | |
171 | if (!a) | |
172 | return error("%s: not a valid attribute name", | |
173 | name); | |
174 | check[i].attr = a; | |
175 | } | |
d0bfd026 JH |
176 | } |
177 | ||
b4666852 | 178 | if (stdin_paths) |
f5114a40 | 179 | check_attr_stdin_paths(prefix, cnt, check); |
b4666852 | 180 | else { |
d6541bb1 | 181 | for (i = filei; i < argc; i++) |
f5114a40 | 182 | check_attr(prefix, cnt, check, argv[i]); |
b4666852 DP |
183 | maybe_flush_or_die(stdout, "attribute to stdout"); |
184 | } | |
d0bfd026 JH |
185 | return 0; |
186 | } |