$ git clone -n https://src.fedoraproject.org/rpms/cosmic-workspaces.git /var/lib/mock/f45-build-6952-353/root/chroot_tmpdir/scmroot/cosmic-workspaces
Cloning into '/var/lib/mock/f45-build-6952-353/root/chroot_tmpdir/scmroot/cosmic-workspaces'...
$ git fetch origin d34640d74178ac3acc34b52c227c6ee1abb7de3d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cosmic-workspaces
 * [new ref]         d34640d74178ac3acc34b52c227c6ee1abb7de3d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d34640d Update to 1.6.0