$ git clone -n https://src.fedoraproject.org/rpms/R-pbdRPC.git /var/lib/mock/f39-build-1536150-36263/root/chroot_tmpdir/scmroot/R-pbdRPC
Cloning into '/var/lib/mock/f39-build-1536150-36263/root/chroot_tmpdir/scmroot/R-pbdRPC'...
$ git fetch origin 269195e46e42789c997c02b141c69da082073598:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-pbdRPC
 * [new ref]         269195e46e42789c997c02b141c69da082073598 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 269195e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild