$ git clone -n https://src.fedoraproject.org/rpms/libtasn1.git /var/lib/mock/f38-build-side-42-init-devel-600175-26170/root/chroot_tmpdir/scmroot/libtasn1
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-600175-26170/root/chroot_tmpdir/scmroot/libtasn1'...
$ git fetch origin be5b244fbdfd9c933e063ed84d38d7d0960ce2dd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libtasn1
 * [new ref]         be5b244fbdfd9c933e063ed84d38d7d0960ce2dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be5b244 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild