$ git clone -n https://src.fedoraproject.org/rpms/twirssi.git /var/lib/mock/f42-build-3290818-41426/root/chroot_tmpdir/scmroot/twirssi
Cloning into '/var/lib/mock/f42-build-3290818-41426/root/chroot_tmpdir/scmroot/twirssi'...
$ git fetch origin 9348c4f9c7b22c2dda7af89c0263883640395750:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/twirssi
 * [new ref]         9348c4f9c7b22c2dda7af89c0263883640395750 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9348c4f Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild