$ git clone -n https://src.fedoraproject.org/rpms/kpipewire.git /var/lib/mock/f39-build-1711063-41227/root/chroot_tmpdir/scmroot/kpipewire
Cloning into '/var/lib/mock/f39-build-1711063-41227/root/chroot_tmpdir/scmroot/kpipewire'...
$ git fetch origin e29a612fccbe35135a4be46c93316f4bc1bbc7b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kpipewire
 * [new ref]         e29a612fccbe35135a4be46c93316f4bc1bbc7b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e29a612 5.27.9