5 #include "parse-options.h"
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>",
14 static int null_term_line
;
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"),
23 static void output_attr(int cnt
, struct git_attr_check
*check
,
27 for (j
= 0; j
< cnt
; j
++) {
28 const char *value
= check
[j
].value
;
32 else if (ATTR_FALSE(value
))
34 else if (ATTR_UNSET(value
))
35 value
= "unspecified";
37 quote_c_style(file
, NULL
, stdout
, 0);
38 printf(": %s: %s\n", git_attr_name(check
[j
].attr
), value
);
42 static void check_attr(int cnt
, struct git_attr_check
*check
,
45 if (git_checkattr(file
, cnt
, check
))
46 die("git_checkattr died");
47 output_attr(cnt
, check
, file
);
50 static void check_attr_stdin_paths(int cnt
, struct git_attr_check
*check
)
52 struct strbuf buf
, nbuf
;
53 int line_termination
= null_term_line
? 0 : '\n';
56 strbuf_init(&nbuf
, 0);
57 while (strbuf_getline(&buf
, stdin
, line_termination
) != EOF
) {
58 if (line_termination
&& buf
.buf
[0] == '"') {
60 if (unquote_c_style(&nbuf
, buf
.buf
, NULL
))
61 die("line is badly quoted");
62 strbuf_swap(&buf
, &nbuf
);
64 check_attr(cnt
, check
, buf
.buf
);
65 maybe_flush_or_die(stdout
, "attribute to stdout");
68 strbuf_release(&nbuf
);
71 static NORETURN
void error_with_usage(const char *msg
)
74 usage_with_options(check_attr_usage
, check_attr_options
);
77 int cmd_check_attr(int argc
, const char **argv
, const char *prefix
)
79 struct git_attr_check
*check
;
80 int cnt
, i
, doubledash
, filei
;
81 const char *errstr
= NULL
;
83 argc
= parse_options(argc
, argv
, prefix
, check_attr_options
,
84 check_attr_usage
, PARSE_OPT_KEEP_DASHDASH
);
86 usage_with_options(check_attr_usage
, check_attr_options
);
88 if (read_cache() < 0) {
93 for (i
= 0; doubledash
< 0 && i
< argc
; i
++) {
94 if (!strcmp(argv
[i
], "--"))
98 /* If there is no double dash, we handle only one attribute */
104 filei
= doubledash
+ 1;
108 errstr
= "No attribute specified";
109 else if (stdin_paths
&& filei
< argc
)
110 errstr
= "Can't specify files with --stdin";
112 error_with_usage(errstr
);
115 check
= xcalloc(cnt
, sizeof(*check
));
116 for (i
= 0; i
< cnt
; i
++) {
122 return error("%s: not a valid attribute name", name
);
127 check_attr_stdin_paths(cnt
, check
);
129 for (i
= filei
; i
< argc
; i
++)
130 check_attr(cnt
, check
, argv
[i
]);
131 maybe_flush_or_die(stdout
, "attribute to stdout");