test-date.con commit clone: better error when --reference is a linked checkout (d78db84)
   1#include "cache.h"
   2
   3static const char *usage_msg = "\n"
   4"  test-date show [time_t]...\n"
   5"  test-date parse [date]...\n"
   6"  test-date approxidate [date]...\n";
   7
   8static void show_dates(char **argv, struct timeval *now)
   9{
  10        struct strbuf buf = STRBUF_INIT;
  11
  12        for (; *argv; argv++) {
  13                time_t t = atoi(*argv);
  14                show_date_relative(t, 0, now, &buf);
  15                printf("%s -> %s\n", *argv, buf.buf);
  16        }
  17        strbuf_release(&buf);
  18}
  19
  20static void parse_dates(char **argv, struct timeval *now)
  21{
  22        struct strbuf result = STRBUF_INIT;
  23
  24        for (; *argv; argv++) {
  25                unsigned long t;
  26                int tz;
  27
  28                strbuf_reset(&result);
  29                parse_date(*argv, &result);
  30                if (sscanf(result.buf, "%lu %d", &t, &tz) == 2)
  31                        printf("%s -> %s\n",
  32                               *argv, show_date(t, tz, DATE_MODE(ISO8601)));
  33                else
  34                        printf("%s -> bad\n", *argv);
  35        }
  36        strbuf_release(&result);
  37}
  38
  39static void parse_approxidate(char **argv, struct timeval *now)
  40{
  41        for (; *argv; argv++) {
  42                time_t t;
  43                t = approxidate_relative(*argv, now);
  44                printf("%s -> %s\n", *argv, show_date(t, 0, DATE_MODE(ISO8601)));
  45        }
  46}
  47
  48int main(int argc, char **argv)
  49{
  50        struct timeval now;
  51        const char *x;
  52
  53        x = getenv("TEST_DATE_NOW");
  54        if (x) {
  55                now.tv_sec = atoi(x);
  56                now.tv_usec = 0;
  57        }
  58        else
  59                gettimeofday(&now, NULL);
  60
  61        argv++;
  62        if (!*argv)
  63                usage(usage_msg);
  64        if (!strcmp(*argv, "show"))
  65                show_dates(argv+1, &now);
  66        else if (!strcmp(*argv, "parse"))
  67                parse_dates(argv+1, &now);
  68        else if (!strcmp(*argv, "approxidate"))
  69                parse_approxidate(argv+1, &now);
  70        else
  71                usage(usage_msg);
  72        return 0;
  73}