$ git clone -n https://src.fedoraproject.org/rpms/libxmlb.git /var/lib/mock/f40-build-739140-108844/root/chroot_tmpdir/scmroot/libxmlb
Cloning into '/var/lib/mock/f40-build-739140-108844/root/chroot_tmpdir/scmroot/libxmlb'...
$ git reset --hard b32567b8dae01d6f7e30168146ea255da96e47cd
HEAD is now at b32567b New upstream release