$ git clone -n https://src.fedoraproject.org/rpms/golang-github-prometheus-exporter-toolkit.git /var/lib/mock/f40-build-1517667-23912/root/chroot_tmpdir/scmroot/golang-github-prometheus-exporter-toolkit
Cloning into '/var/lib/mock/f40-build-1517667-23912/root/chroot_tmpdir/scmroot/golang-github-prometheus-exporter-toolkit'...
$ git fetch origin 8b2ca56e7d1ca406426cf06849c5d5a09e4c4c5f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-prometheus-exporter-toolkit
 * [new ref]         8b2ca56e7d1ca406426cf06849c5d5a09e4c4c5f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b2ca56 Update to 0.11.0 - Closes rhbz#2253905