$ git clone -n https://src.fedoraproject.org/rpms/golang-github-prometheus-alertmanager.git /var/lib/mock/f33-build-488559-63977/root/chroot_tmpdir/scmroot/golang-github-prometheus-alertmanager
Cloning into '/var/lib/mock/f33-build-488559-63977/root/chroot_tmpdir/scmroot/golang-github-prometheus-alertmanager'...
$ git reset --hard 5c0341567362baaa5fbc53c50b5d961c649348e2
HEAD is now at 5c03415 Add patch to use newer common. Fix FTBFS