#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;
}