$ git clone -n https://src.fedoraproject.org/rpms/python-linecache2.git /var/lib/mock/f45-build-31424-652/root/chroot_tmpdir/scmroot/python-linecache2
Cloning into '/var/lib/mock/f45-build-31424-652/root/chroot_tmpdir/scmroot/python-linecache2'...
$ git fetch origin 27aabec13ab33b41651dab6d730b54d626cf1f14:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-linecache2
 * [new ref]         27aabec13ab33b41651dab6d730b54d626cf1f14 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27aabec Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild