$ git clone -n https://src.fedoraproject.org/rpms/chatterino2.git /var/lib/mock/f40-build-1992505-43606/root/chroot_tmpdir/scmroot/chatterino2
Cloning into '/var/lib/mock/f40-build-1992505-43606/root/chroot_tmpdir/scmroot/chatterino2'...
$ git fetch origin 4c2141d24230efc05d9ec3d938879aad989e4e1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chatterino2
 * [new ref]         4c2141d24230efc05d9ec3d938879aad989e4e1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c2141d packit: Add upstream_tag_template: v{version}