$ git clone -n https://src.fedoraproject.org/rpms/xxdiff.git /var/lib/mock/f31-build-61153-28827/root/chroot_tmpdir/scmroot/xxdiff
Cloning into '/var/lib/mock/f31-build-61153-28827/root/chroot_tmpdir/scmroot/xxdiff'...
$ git reset --hard 1aba613db50a567c2eaead74ffa6247ee18522a8
HEAD is now at 1aba613 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild