feat(scripts): Add a script to generate all CLI completion scripts

Signed-off-by: Sebastian Schuberth <sebastian@doubleopen.org>

scripts/generate_completion_scripts.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+#
+# Copyright (C) 2024 The ORT Project Authors (see <https://github.com/oss-review-toolkit/ort/blob/main/NOTICE>)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+# License-Filename: LICENSE
+
+GIT_ROOT=$(git rev-parse --show-toplevel)
+
+(cd $GIT_ROOT &&
+    ./gradlew -q :cli:installDist &&
+    cli/build/install/ort/bin/ort --generate-completion=bash > integrations/completions/ort-completion.bash &&
+    cli/build/install/ort/bin/ort --generate-completion=fish > integrations/completions/ort-completion.fish &&
+    cli/build/install/ort/bin/ort --generate-completion=zsh > integrations/completions/ort-completion.zsh
+)