$ git clone -n https://src.fedoraproject.org/rpms/golang-github-prometheus-client-model.git /var/lib/mock/f45-build-12382-442/root/chroot_tmpdir/scmroot/golang-github-prometheus-client-model
Cloning into '/var/lib/mock/f45-build-12382-442/root/chroot_tmpdir/scmroot/golang-github-prometheus-client-model'...
$ git fetch origin e0a12e3739e5a664231fb2897a8458ab1d2597ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-prometheus-client-model
 * [new ref]         e0a12e3739e5a664231fb2897a8458ab1d2597ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0a12e3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild