$ git clone -n https://src.fedoraproject.org/rpms/phasex.git /var/lib/mock/f41-build-side-1-2960148-35699/root/chroot_tmpdir/scmroot/phasex
Cloning into '/var/lib/mock/f41-build-side-1-2960148-35699/root/chroot_tmpdir/scmroot/phasex'...
$ git fetch origin 4b99501c24ed948f1df073f64da920c4c3563061:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/phasex
 * [new ref]         4b99501c24ed948f1df073f64da920c4c3563061 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b99501 convert GPLv3+ license to SPDX