$ git clone -n https://src.fedoraproject.org/rpms/md4c.git /var/lib/mock/f41-build-829800-156218/root/chroot_tmpdir/scmroot/md4c
Cloning into '/var/lib/mock/f41-build-829800-156218/root/chroot_tmpdir/scmroot/md4c'...
$ git fetch origin 6cf41b34d066c21154d6b47169190f6866cd9d1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/md4c
 * [new ref]         6cf41b34d066c21154d6b47169190f6866cd9d1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cf41b3 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild