$ git clone -n https://src.fedoraproject.org/rpms/apt-cacher-ng.git /var/lib/mock/f41-build-2605258-25554/root/chroot_tmpdir/scmroot/apt-cacher-ng
Cloning into '/var/lib/mock/f41-build-2605258-25554/root/chroot_tmpdir/scmroot/apt-cacher-ng'...
$ git fetch origin 1ffc13749a6ed47d5be5097563e16fd45c3ead9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apt-cacher-ng
 * [new ref]         1ffc13749a6ed47d5be5097563e16fd45c3ead9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ffc137 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild