$ git clone -n https://src.fedoraproject.org/rpms/libxmlb.git /var/lib/mock/f33-build-347221-59532/root/chroot_tmpdir/scmroot/libxmlb
Cloning into '/var/lib/mock/f33-build-347221-59532/root/chroot_tmpdir/scmroot/libxmlb'...
$ git reset --hard b7519871ca91113968579eff93c972ed5d8855fa
HEAD is now at b751987 New upstream release