t / helper / test-index-version.con commit t4030: abstract away SHA-1-specific constants (a6c5799)
   1#include "test-tool.h"
   2#include "cache.h"
   3
   4int cmd__index_version(int argc, const char **argv)
   5{
   6        struct cache_header hdr;
   7        int version;
   8
   9        memset(&hdr,0,sizeof(hdr));
  10        if (read(0, &hdr, sizeof(hdr)) != sizeof(hdr))
  11                return 0;
  12        version = ntohl(hdr.hdr_version);
  13        printf("%d\n", version);
  14        return 0;
  15}