Add script used to import batches of pkgs from germinate files

Signed-off-by: Dylan Aïssi <dylan.aissi@collabora.com>

release-scripts/rebase-from-germinate

+#!/bin/sh
+#
+# Copyright © 2024 Collabora Ltd.
+#
+# SPDX-License-Identifier: MPL-2.0
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# Arguments
+# -l : Germinate list of packages to import (i.e. report/target-keep.txt)
+
+set -eu
+
+NEW_DEBIAN_RELEASE=trixie
+CUR_DEBIAN_RELEASE=bookworm
+
+while getopts 'l:' opt
+do
+    case "$opt" in
+        l)
+            LIST=$OPTARG
+            ;;
+    esac
+done
+
+echo "Processing the germinate list ${LIST}..."
+
+while read pkg; do
+    echo "... processing the source package '$pkg'"
+    ./create-branches --filter pkg/${pkg} --branch-prefix debian --new-release ${NEW_DEBIAN_RELEASE} --base-release ${CUR_DEBIAN_RELEASE} --keep-default-branch
+
+    ./create-branches --filter pkg/${pkg} --branch-prefix upstream --new-release ${NEW_DEBIAN_RELEASE} --base-release ${CUR_DEBIAN_RELEASE} --keep-default-branch
+
+    ./manage-repo trigger-pipeline ${pkg} debian/${NEW_DEBIAN_RELEASE}
+done <${LIST}
+
+echo "The germinate list ${LIST} have been processed!"
+