$ git clone -n https://src.fedoraproject.org/rpms/libarcus.git /var/lib/mock/f31-build-67989-30134/root/chroot_tmpdir/scmroot/libarcus
Cloning into '/var/lib/mock/f31-build-67989-30134/root/chroot_tmpdir/scmroot/libarcus'...
$ git reset --hard dd426706e05dbb5acc71fd3335337d98989e3d70
HEAD is now at dd42670 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild