$ git clone -n https://src.fedoraproject.org/rpms/golang-github-armon-circbuf.git /var/lib/mock/f37-build-side-33-golang-devel-138009-8446/root/chroot_tmpdir/scmroot/golang-github-armon-circbuf
Cloning into '/var/lib/mock/f37-build-side-33-golang-devel-138009-8446/root/chroot_tmpdir/scmroot/golang-github-armon-circbuf'...
$ git reset --hard b85eb033d7683b6d728a0773922288abe1bc4b04
HEAD is now at b85eb03 SPEC cleanup