$ git clone -n https://src.fedoraproject.org/rpms/gnome-bluetooth3.34.git /var/lib/mock/f40-build-790025-136230/root/chroot_tmpdir/scmroot/gnome-bluetooth3.34
Cloning into '/var/lib/mock/f40-build-790025-136230/root/chroot_tmpdir/scmroot/gnome-bluetooth3.34'...
$ git fetch origin 320f48af99f506d23b90c1aeaa23f22480ba8edc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-bluetooth3.34
 * [new ref]         320f48af99f506d23b90c1aeaa23f22480ba8edc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 320f48a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild