$ git clone -n https://src.fedoraproject.org/rpms/perl-Graphics-Toolkit-Color.git /var/lib/mock/f40-build-2202121-51867/root/chroot_tmpdir/scmroot/perl-Graphics-Toolkit-Color
Cloning into '/var/lib/mock/f40-build-2202121-51867/root/chroot_tmpdir/scmroot/perl-Graphics-Toolkit-Color'...
$ git fetch origin b8b2478c9b11d8b151245786c669cdf17466c3d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Graphics-Toolkit-Color
 * [new ref]         b8b2478c9b11d8b151245786c669cdf17466c3d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8b2478 1.71 bump