$ git clone -n https://src.fedoraproject.org/rpms/golang-github-prometheus-node-exporter.git /var/lib/mock/f39-build-2422495-60579/root/chroot_tmpdir/scmroot/golang-github-prometheus-node-exporter
Cloning into '/var/lib/mock/f39-build-2422495-60579/root/chroot_tmpdir/scmroot/golang-github-prometheus-node-exporter'...
$ git fetch origin 88fefa556d94f4cf7c53309bafda6572099a57d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-prometheus-node-exporter
 * [new ref]         88fefa556d94f4cf7c53309bafda6572099a57d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88fefa5 Update to 1.6.1 - Closes rhbz#2210487 rhbz#2178447 rhbz#2163209