$ git clone -n https://src.fedoraproject.org/rpms/gtk-v4l.git /var/lib/mock/f39-build-1465942-33630/root/chroot_tmpdir/scmroot/gtk-v4l
Cloning into '/var/lib/mock/f39-build-1465942-33630/root/chroot_tmpdir/scmroot/gtk-v4l'...
$ git fetch origin e322443d7800281b6437379d8ff182d192df34aa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtk-v4l
 * [new ref]         e322443d7800281b6437379d8ff182d192df34aa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e322443 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild