$ git clone -n https://src.fedoraproject.org/rpms/golang-nhooyr-websocket.git /var/lib/mock/f40-build-2246378-53808/root/chroot_tmpdir/scmroot/golang-nhooyr-websocket
Cloning into '/var/lib/mock/f40-build-2246378-53808/root/chroot_tmpdir/scmroot/golang-nhooyr-websocket'...
$ git fetch origin acf0a1ae2408871746f487b73ab6cbdb1afa777f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-nhooyr-websocket
 * [new ref]         acf0a1ae2408871746f487b73ab6cbdb1afa777f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at acf0a1a New upstream version