$ git clone -n https://src.fedoraproject.org/rpms/golang-github-prometheus-node-exporter.git /var/lib/mock/f40-build-1517670-23912/root/chroot_tmpdir/scmroot/golang-github-prometheus-node-exporter
Cloning into '/var/lib/mock/f40-build-1517670-23912/root/chroot_tmpdir/scmroot/golang-github-prometheus-node-exporter'...
$ git fetch origin ea1c7cc0fa4876b7ba1b400bef25c47c90600d1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-prometheus-node-exporter
 * [new ref]         ea1c7cc0fa4876b7ba1b400bef25c47c90600d1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea1c7cc Renamed to node-exporter