$ git clone -n https://src.fedoraproject.org/rpms/python-piexif.git /var/lib/mock/f45-build-31988-656/root/chroot_tmpdir/scmroot/python-piexif
Cloning into '/var/lib/mock/f45-build-31988-656/root/chroot_tmpdir/scmroot/python-piexif'...
$ git fetch origin dc1f568efb98ea9e82b12cdc291f594f0d209902:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-piexif
 * [new ref]         dc1f568efb98ea9e82b12cdc291f594f0d209902 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc1f568 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild