$ git clone -n https://src.fedoraproject.org/rpms/python-piexif.git /var/lib/mock/f40-build-2635729-66106/root/chroot_tmpdir/scmroot/python-piexif
Cloning into '/var/lib/mock/f40-build-2635729-66106/root/chroot_tmpdir/scmroot/python-piexif'...
$ git fetch origin ae93c9101932f0b2bf0d1e78904b08572e954fd4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-piexif
 * [new ref]         ae93c9101932f0b2bf0d1e78904b08572e954fd4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae93c91 Replace deprecated functions in tests.