$ git clone -n https://src.fedoraproject.org/rpms/samtools.git /var/lib/mock/f38-build-side-42-init-devel-688039-26769/root/chroot_tmpdir/scmroot/samtools
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-688039-26769/root/chroot_tmpdir/scmroot/samtools'...
$ git fetch origin ef33f4ca0ddd3a81dca6ad9b597587f3fa314a9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/samtools
 * [new ref]         ef33f4ca0ddd3a81dca6ad9b597587f3fa314a9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef33f4c Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild