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