Document git-check-attr
[git/fastimport.git] / builtin-check-attr.c
blob634be9ed2e4a28b0c3a53d8724bacbd3094b369d
1 #include "builtin.h"
2 #include "attr.h"
3 #include "quote.h"
5 static const char check_attr_usage[] =
6 "git-check-attr attr... [--] pathname...";
8 int cmd_check_attr(int argc, const char **argv, const char *prefix)
10 struct git_attr_check *check;
11 int cnt, i, doubledash;
13 doubledash = -1;
14 for (i = 1; doubledash < 0 && i < argc; i++) {
15 if (!strcmp(argv[i], "--"))
16 doubledash = i;
19 /* If there is no double dash, we handle only one attribute */
20 if (doubledash < 0) {
21 cnt = 1;
22 doubledash = 1;
23 } else
24 cnt = doubledash - 1;
25 doubledash++;
27 if (cnt <= 0 || argc < doubledash)
28 usage(check_attr_usage);
29 check = xcalloc(cnt, sizeof(*check));
30 for (i = 0; i < cnt; i++) {
31 const char *name;
32 struct git_attr *a;
33 name = argv[i + 1];
34 a = git_attr(name, strlen(name));
35 if (!a)
36 return error("%s: not a valid attribute name", name);
37 check[i].attr = a;
40 for (i = doubledash; i < argc; i++) {
41 int j;
42 if (git_checkattr(argv[i], cnt, check))
43 die("git_checkattr died");
44 for (j = 0; j < cnt; j++) {
45 write_name_quoted("", 0, argv[i], 1, stdout);
46 printf(": %s: %s\n", argv[j+1],
47 (check[j].isset < 0) ? "unspecified" :
48 (check[j].isset == 0) ? "unset" :
49 "set");
52 return 0;