$ git clone -n https://src.fedoraproject.org/rpms/tomcli.git /var/lib/mock/f39-build-1586206-38186/root/chroot_tmpdir/scmroot/tomcli
Cloning into '/var/lib/mock/f39-build-1586206-38186/root/chroot_tmpdir/scmroot/tomcli'...
$ git fetch origin bef7b2af65abafd4fb4acf87a682a7baef380ede:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tomcli
 * [new ref]         bef7b2af65abafd4fb4acf87a682a7baef380ede -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bef7b2a Update to 0.3.0.