builtin-check-attr.c

   1 #include "builtin.h"
   2 #include "attr.h"
   3 #include "quote.h"
   4
   5 static const char check_attr_usage[] =
   6 "git-check-attr attr... [--] pathname...";
   7
   8 int cmd_check_attr(int argc, const char **argv, const char *prefix)
   9 {
  10         struct git_attr_check *check;
  11         int cnt, i, doubledash;
  12
  13         doubledash = -1;
  14         for (i = 1; doubledash < 0 && i < argc; i++) {
  15                 if (!strcmp(argv[i], "--"))
  16                         doubledash = i;
  17         }
  18
  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++;
  26
  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;
  38         }
  39
  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                         void *value = check[j].value;
  46
  47                         if (ATTR_TRUE(value))
  48                                 value = "set";
  49                         else if (ATTR_FALSE(value))
  50                                 value = "unset";
  51                         else if (ATTR_UNSET(value))
  52                                 value = "unspecified";
  53
  54                         write_name_quoted("", 0, argv[i], 1, stdout);
  55                         printf(": %s: %s\n", argv[j+1], (char *) value);
  56                 }
  57         }
  58         return 0;
  59 }