$ git clone -n https://src.fedoraproject.org/rpms/python-pyqt5-sip.git /var/lib/mock/f40-build-730966-103633/root/chroot_tmpdir/scmroot/python-pyqt5-sip
Cloning into '/var/lib/mock/f40-build-730966-103633/root/chroot_tmpdir/scmroot/python-pyqt5-sip'...
$ git fetch origin db9238e29af3fa73687e7efa77567292a51bf6a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyqt5-sip
 * [new ref]         db9238e29af3fa73687e7efa77567292a51bf6a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db9238e Update to new upstream release 12.12.2 (#2225114)