$ git clone -n https://src.fedoraproject.org/rpms/libxdiff.git /var/lib/mock/f31-build-65558-29269/root/chroot_tmpdir/scmroot/libxdiff
Cloning into '/var/lib/mock/f31-build-65558-29269/root/chroot_tmpdir/scmroot/libxdiff'...
$ git reset --hard 5d62ccf5cdc1d52325dd7f7d50f713689eed241c
HEAD is now at 5d62ccf - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild