$ git clone -n https://src.fedoraproject.org/rpms/3mux.git /var/lib/mock/f40-build-2697647-70035/root/chroot_tmpdir/scmroot/3mux
Cloning into '/var/lib/mock/f40-build-2697647-70035/root/chroot_tmpdir/scmroot/3mux'...
$ git fetch origin 38be4a812e711dfa3d5aa88e3c190e208d2866ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/3mux
 * [new ref]         38be4a812e711dfa3d5aa88e3c190e208d2866ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38be4a8 Rebuild for golang 1.22.0