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 }