$ git clone -n https://src.fedoraproject.org/rpms/avgtime.git /var/lib/mock/f39-build-2458519-61441/root/chroot_tmpdir/scmroot/avgtime
Cloning into '/var/lib/mock/f39-build-2458519-61441/root/chroot_tmpdir/scmroot/avgtime'...
$ git fetch origin bca6e044271fb86a365e08995179eb0473eef96e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/avgtime
 * [new ref]         bca6e044271fb86a365e08995179eb0473eef96e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bca6e04 Rebuilt for ldc 1.33