$ git clone -n https://src.fedoraproject.org/rpms/libmacaroons.git /var/lib/mock/f31-build-58972-28520/root/chroot_tmpdir/scmroot/libmacaroons
Cloning into '/var/lib/mock/f31-build-58972-28520/root/chroot_tmpdir/scmroot/libmacaroons'...
$ git reset --hard 63bcf6f9b18e9ada023d544329d84ec4b333f06b
HEAD is now at 63bcf6f Backport a patch to avoid memory leak on deserialize.