$ git clone -n https://src.fedoraproject.org/rpms/arc-gui-clients.git /var/lib/mock/f40-build-2074174-49392/root/chroot_tmpdir/scmroot/arc-gui-clients
Cloning into '/var/lib/mock/f40-build-2074174-49392/root/chroot_tmpdir/scmroot/arc-gui-clients'...
$ git fetch origin 82e448335b7ab0cbfcc43c4f52befd6e99b7607a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/arc-gui-clients
 * [new ref]         82e448335b7ab0cbfcc43c4f52befd6e99b7607a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82e4483 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild