$ git clone -n https://src.fedoraproject.org/rpms/subnetcalc.git /var/lib/mock/f37-build-667684-74616/root/chroot_tmpdir/scmroot/subnetcalc
Cloning into '/var/lib/mock/f37-build-667684-74616/root/chroot_tmpdir/scmroot/subnetcalc'...
$ git reset --hard cd86f9ac34fb6cfcc2812ddfccdbd4abf885d153
HEAD is now at cd86f9a Update to 2.4.20