$ git clone -n https://src.fedoraproject.org/rpms/libxcb.git /var/lib/mock/f40-build-739013-108614/root/chroot_tmpdir/scmroot/libxcb
Cloning into '/var/lib/mock/f40-build-739013-108614/root/chroot_tmpdir/scmroot/libxcb'...
$ git reset --hard dc32915d675e0865475976ebd7c1885e40691c24
HEAD is now at dc32915 Add missing README.md and libxcb-dbe