$ git clone -n https://src.fedoraproject.org/rpms/arb.git /var/lib/mock/f31-build-74953-31209/root/chroot_tmpdir/scmroot/arb
Cloning into '/var/lib/mock/f31-build-74953-31209/root/chroot_tmpdir/scmroot/arb'...
$ git reset --hard eb2b7a36f654554e7b03f7b938f7bb9d88b5a8c8
HEAD is now at eb2b7a3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild