checkout: error out when index is unmerged even with -m
[git] / builtin-check-attr.c
1 #include "builtin.h"
2 #include "cache.h"
3 #include "attr.h"
4 #include "quote.h"
5
6 static const char check_attr_usage[] =
7 "git-check-attr attr... [--] pathname...";
8
9 int cmd_check_attr(int argc, const char **argv, const char *prefix)
10 {
11         struct git_attr_check *check;
12         int cnt, i, doubledash;
13
14         if (read_cache() < 0) {
15                 die("invalid cache");
16         }
17
18         doubledash = -1;
19         for (i = 1; doubledash < 0 && i < argc; i++) {
20                 if (!strcmp(argv[i], "--"))
21                         doubledash = i;
22         }
23
24         /* If there is no double dash, we handle only one attribute */
25         if (doubledash < 0) {
26                 cnt = 1;
27                 doubledash = 1;
28         } else
29                 cnt = doubledash - 1;
30         doubledash++;
31
32         if (cnt <= 0 || argc < doubledash)
33                 usage(check_attr_usage);
34         check = xcalloc(cnt, sizeof(*check));
35         for (i = 0; i < cnt; i++) {
36                 const char *name;
37                 struct git_attr *a;
38                 name = argv[i + 1];
39                 a = git_attr(name, strlen(name));
40                 if (!a)
41                         return error("%s: not a valid attribute name", name);
42                 check[i].attr = a;
43         }
44
45         for (i = doubledash; i < argc; i++) {
46                 int j;
47                 if (git_checkattr(argv[i], cnt, check))
48                         die("git_checkattr died");
49                 for (j = 0; j < cnt; j++) {
50                         const char *value = check[j].value;
51
52                         if (ATTR_TRUE(value))
53                                 value = "set";
54                         else if (ATTR_FALSE(value))
55                                 value = "unset";
56                         else if (ATTR_UNSET(value))
57                                 value = "unspecified";
58
59                         quote_c_style(argv[i], NULL, stdout, 0);
60                         printf(": %s: %s\n", argv[j+1], value);
61                 }
62         }
63         return 0;
64 }