$ git clone -n https://src.fedoraproject.org/rpms/pipewire.git /var/lib/mock/f40-build-2632360-65860/root/chroot_tmpdir/scmroot/pipewire
Cloning into '/var/lib/mock/f40-build-2632360-65860/root/chroot_tmpdir/scmroot/pipewire'...
$ git fetch origin ecc2c916e3f8ca3b7701b8d43062ff3cee73479a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pipewire
 * [new ref]         ecc2c916e3f8ca3b7701b8d43062ff3cee73479a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ecc2c91 Configure server, client and rlimit priorities to be the same as JACK.