$ git clone -n https://src.fedoraproject.org/rpms/python-strictyaml.git /var/lib/mock/f39-build-1426585-31599/root/chroot_tmpdir/scmroot/python-strictyaml
Cloning into '/var/lib/mock/f39-build-1426585-31599/root/chroot_tmpdir/scmroot/python-strictyaml'...
$ git fetch origin eaacf2c49b83884e73e91983a061df92d04f5060:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-strictyaml
 * [new ref]         eaacf2c49b83884e73e91983a061df92d04f5060 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eaacf2c Update to 1.7.3 (close RHBZ#2174372)