$ git clone -n https://src.fedoraproject.org/rpms/golang-bug-serial-1.git /var/lib/mock/f33-build-519755-64559/root/chroot_tmpdir/scmroot/golang-bug-serial-1
Cloning into '/var/lib/mock/f33-build-519755-64559/root/chroot_tmpdir/scmroot/golang-bug-serial-1'...
$ git reset --hard 31c653997ad0bf2114eee172dbbeb67a73eb54b0
HEAD is now at 31c6539 Update to latest version.