$ git clone -n https://src.fedoraproject.org/rpms/fb303.git /var/lib/mock/f40-build-2236782-53519/root/chroot_tmpdir/scmroot/fb303
Cloning into '/var/lib/mock/f40-build-2236782-53519/root/chroot_tmpdir/scmroot/fb303'...
$ git fetch origin 749ee8394af7cc3fb1e272069e48dd24906ec0ce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fb303
 * [new ref]         749ee8394af7cc3fb1e272069e48dd24906ec0ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 749ee83 Update to 2023.10.16.00