$ git clone -n https://src.fedoraproject.org/rpms/pcs.git /var/lib/mock/f40-build-2417866-60573/root/chroot_tmpdir/scmroot/pcs
Cloning into '/var/lib/mock/f40-build-2417866-60573/root/chroot_tmpdir/scmroot/pcs'...
$ git fetch origin 655b3251b0cc81838d61f33d7726aae001233f22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcs
 * [new ref]         655b3251b0cc81838d61f33d7726aae001233f22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 655b325 pcs-0.11.7-3