$ git clone -n https://src.fedoraproject.org/rpms/python-magic.git /var/lib/mock/f45-build-31392-652/root/chroot_tmpdir/scmroot/python-magic
Cloning into '/var/lib/mock/f45-build-31392-652/root/chroot_tmpdir/scmroot/python-magic'...
$ git fetch origin 95f184f08566fa6130745a5e6270018669829984:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-magic
 * [new ref]         95f184f08566fa6130745a5e6270018669829984 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95f184f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild