$ git clone -n https://src.fedoraproject.org/rpms/mesa-libGLw.git /var/lib/mock/f31-build-51892-27571/root/chroot_tmpdir/scmroot/mesa-libGLw
Cloning into '/var/lib/mock/f31-build-51892-27571/root/chroot_tmpdir/scmroot/mesa-libGLw'...
$ git reset --hard 58c6ef580937fde1af60ea23edf6340b1f75f3d6
HEAD is now at 58c6ef5 Update to git snapshot of the archived state