$ git clone -n https://src.fedoraproject.org/rpms/opam.git /var/lib/mock/f31-build-85774-31627/root/chroot_tmpdir/scmroot/opam
Cloning into '/var/lib/mock/f31-build-85774-31627/root/chroot_tmpdir/scmroot/opam'...
$ git reset --hard 12dfb7a726591e6a7ae11c24d8c6ab4efe87772c
HEAD is now at 12dfb7a Update to latest upstream release, 2.0.5.