$ git clone -n https://src.fedoraproject.org/rpms/arc.git /var/lib/mock/f31-build-74950-31209/root/chroot_tmpdir/scmroot/arc
Cloning into '/var/lib/mock/f31-build-74950-31209/root/chroot_tmpdir/scmroot/arc'...
$ git reset --hard ec44b809ccc2726fdeca1c43235358dafbf48e16
HEAD is now at ec44b80 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild