$ git clone -n https://src.fedoraproject.org/rpms/python-imapclient.git /var/lib/mock/f45-build-31052-650/root/chroot_tmpdir/scmroot/python-imapclient
Cloning into '/var/lib/mock/f45-build-31052-650/root/chroot_tmpdir/scmroot/python-imapclient'...
$ git fetch origin 0acc04be8ebe0c72c37454c95c82019e4b00612e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-imapclient
 * [new ref]         0acc04be8ebe0c72c37454c95c82019e4b00612e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0acc04b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild