$ git clone -n https://src.fedoraproject.org/rpms/vacuum-im.git /var/lib/mock/f31-build-60313-28716/root/chroot_tmpdir/scmroot/vacuum-im
Cloning into '/var/lib/mock/f31-build-60313-28716/root/chroot_tmpdir/scmroot/vacuum-im'...
$ git reset --hard 0f8b8bbbb8c51549f524ca06e50bfe8b8fbce563
HEAD is now at 0f8b8bb - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild