$ git clone -n https://src.fedoraproject.org/rpms/mrchem.git /var/lib/mock/f41-build-813963-148824/root/chroot_tmpdir/scmroot/mrchem
Cloning into '/var/lib/mock/f41-build-813963-148824/root/chroot_tmpdir/scmroot/mrchem'...
$ git fetch origin 2bcfadaa3fe33f35409b83efb42bd7144c38bef0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mrchem
 * [new ref]         2bcfadaa3fe33f35409b83efb42bd7144c38bef0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2bcfada Rebuilt for Python 3.13