Add basic infrastructure to assign attributes to paths

[git.git] / builtin-check-attr.c

diff --git a/builtin-check-attr.c b/builtin-check-attr.c
new file mode 100644 (file)
index 0000000..47b0721
--- /dev/null
+++ b/builtin-check-attr.c
@@ -0,0 +1,49 @@
+#include "builtin.h"
+#include "attr.h"
+#include "quote.h"
+
+static const char check_attr_usage[] =
+"git-check-attr attr... [--] pathname...";
+
+int cmd_check_attr(int argc, const char **argv, const char *prefix)
+{
+       struct git_attr_check *check;
+       int cnt, i, doubledash;
+
+       doubledash = -1;
+       for (i = 1; doubledash < 0 && i < argc; i++) {
+               if (!strcmp(argv[i], "--"))
+                       doubledash = i;
+       }
+
+       /* If there is no double dash, we handle only one attribute */
+       if (doubledash < 0) {
+               cnt = 1;
+               doubledash = 1;
+       } else
+               cnt = doubledash - 1;
+       doubledash++;
+
+       if (cnt <= 0 || argc < doubledash)
+               usage(check_attr_usage);
+       check = xcalloc(cnt, sizeof(*check));
+       for (i = 0; i < cnt; i++) {
+               const char *name;
+               name = argv[i + 1];
+               check[i].attr = git_attr(name, strlen(name));
+       }
+
+       for (i = doubledash; i < argc; i++) {
+               int j;
+               if (git_checkattr(argv[i], cnt, check))
+                       die("git_checkattr died");
+               for (j = 0; j < cnt; j++) {
+                       write_name_quoted("", 0, argv[i], 1, stdout);
+                       printf(": %s: %s\n", argv[j+1],
+                              (check[j].isset < 0) ? "unspecified" :
+                              (check[j].isset == 0) ? "unset" :
+                              "set");
+               }
+       }
+       return 0;
+}