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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 | |
b4666852 DP |
7 | static int stdin_paths; |
8 | static const char * const check_attr_usage[] = { | |
9 | "git check-attr attr... [--] pathname...", | |
10 | "git check-attr --stdin attr... < <list-of-paths>", | |
11 | NULL | |
12 | }; | |
13 | ||
14 | static int null_term_line; | |
15 | ||
16 | static const struct option check_attr_options[] = { | |
17 | OPT_BOOLEAN(0 , "stdin", &stdin_paths, "read file names from stdin"), | |
18 | OPT_BOOLEAN('z', NULL, &null_term_line, | |
19 | "input paths are terminated by a null character"), | |
20 | OPT_END() | |
21 | }; | |
d0bfd026 | 22 | |
41038c5e DP |
23 | static void check_attr(int cnt, struct git_attr_check *check, |
24 | const char** name, const char *file) | |
25 | { | |
26 | int j; | |
27 | if (git_checkattr(file, cnt, check)) | |
28 | die("git_checkattr died"); | |
29 | for (j = 0; j < cnt; j++) { | |
30 | const char *value = check[j].value; | |
31 | ||
32 | if (ATTR_TRUE(value)) | |
33 | value = "set"; | |
34 | else if (ATTR_FALSE(value)) | |
35 | value = "unset"; | |
36 | else if (ATTR_UNSET(value)) | |
37 | value = "unspecified"; | |
38 | ||
39 | quote_c_style(file, NULL, stdout, 0); | |
40 | printf(": %s: %s\n", name[j], value); | |
41 | } | |
42 | } | |
43 | ||
b4666852 DP |
44 | static void check_attr_stdin_paths(int cnt, struct git_attr_check *check, |
45 | const char** name) | |
46 | { | |
47 | struct strbuf buf, nbuf; | |
48 | int line_termination = null_term_line ? 0 : '\n'; | |
49 | ||
50 | strbuf_init(&buf, 0); | |
51 | strbuf_init(&nbuf, 0); | |
52 | while (strbuf_getline(&buf, stdin, line_termination) != EOF) { | |
53 | if (line_termination && buf.buf[0] == '"') { | |
54 | strbuf_reset(&nbuf); | |
55 | if (unquote_c_style(&nbuf, buf.buf, NULL)) | |
56 | die("line is badly quoted"); | |
57 | strbuf_swap(&buf, &nbuf); | |
58 | } | |
59 | check_attr(cnt, check, name, buf.buf); | |
60 | maybe_flush_or_die(stdout, "attribute to stdout"); | |
61 | } | |
62 | strbuf_release(&buf); | |
63 | strbuf_release(&nbuf); | |
64 | } | |
65 | ||
d0bfd026 JH |
66 | int cmd_check_attr(int argc, const char **argv, const char *prefix) |
67 | { | |
68 | struct git_attr_check *check; | |
69 | int cnt, i, doubledash; | |
b4666852 DP |
70 | const char *errstr = NULL; |
71 | ||
37782920 SB |
72 | argc = parse_options(argc, argv, prefix, check_attr_options, |
73 | check_attr_usage, PARSE_OPT_KEEP_DASHDASH); | |
b4666852 DP |
74 | if (!argc) |
75 | usage_with_options(check_attr_usage, check_attr_options); | |
d0bfd026 | 76 | |
6b06d518 BD |
77 | if (read_cache() < 0) { |
78 | die("invalid cache"); | |
79 | } | |
80 | ||
d0bfd026 | 81 | doubledash = -1; |
b4666852 | 82 | for (i = 0; doubledash < 0 && i < argc; i++) { |
d0bfd026 JH |
83 | if (!strcmp(argv[i], "--")) |
84 | doubledash = i; | |
85 | } | |
86 | ||
87 | /* If there is no double dash, we handle only one attribute */ | |
88 | if (doubledash < 0) { | |
89 | cnt = 1; | |
b4666852 | 90 | doubledash = 0; |
d0bfd026 | 91 | } else |
b4666852 | 92 | cnt = doubledash; |
d0bfd026 JH |
93 | doubledash++; |
94 | ||
b4666852 DP |
95 | if (cnt <= 0) |
96 | errstr = "No attribute specified"; | |
97 | else if (stdin_paths && doubledash < argc) | |
98 | errstr = "Can't specify files with --stdin"; | |
99 | if (errstr) { | |
42fc1139 | 100 | error("%s", errstr); |
b4666852 DP |
101 | usage_with_options(check_attr_usage, check_attr_options); |
102 | } | |
103 | ||
d0bfd026 JH |
104 | check = xcalloc(cnt, sizeof(*check)); |
105 | for (i = 0; i < cnt; i++) { | |
106 | const char *name; | |
e4aee10a | 107 | struct git_attr *a; |
b4666852 | 108 | name = argv[i]; |
7fb0eaa2 | 109 | a = git_attr(name); |
e4aee10a JH |
110 | if (!a) |
111 | return error("%s: not a valid attribute name", name); | |
112 | check[i].attr = a; | |
d0bfd026 JH |
113 | } |
114 | ||
b4666852 DP |
115 | if (stdin_paths) |
116 | check_attr_stdin_paths(cnt, check, argv); | |
117 | else { | |
118 | for (i = doubledash; i < argc; i++) | |
119 | check_attr(cnt, check, argv, argv[i]); | |
120 | maybe_flush_or_die(stdout, "attribute to stdout"); | |
121 | } | |
d0bfd026 JH |
122 | return 0; |
123 | } |