chore: import upstream snapshot with attribution

scripts/check_prerequisites.sh

@@ -0,0 +1,117 @@
+#!/usr/bin/env bash
+#  Copyright 2021 Collate
+#  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
+#  http://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.
+
+set -eu
+
+set +e
+declare -A test_map
+res=$?
+if [[ $res -ne 0 ]]; then
+  echo "✗ ERROR: declare -A is not supported. Do you have bash version 4.0 or higher installed?"
+  exit 2
+fi
+set -e
+
+
+declare -A python
+python["name"]="Python"
+python["version_command"]="python --version 2>&1 | awk '{print \$2}'"
+python["required_version"]="3.11 3.12 3.13"
+
+declare -A docker
+docker["name"]="Docker"
+docker["version_command"]="docker --version | awk '{print \$3}' | sed 's/,//'"
+docker["required_version"]="20 21 22 23 24 25 26 27 28 29"
+
+declare -A maven
+maven["name"]="Maven"
+maven["version_command"]="mvn --version | head -n1 | awk '{print \$3}'"
+maven["required_version"]="3.6 3.7 3.8 3.9"
+
+declare -A java
+java["name"]="Java"
+java["version_command"]="java -version 2>&1 | awk -F'\"' '/version/ {print \$2}'"
+java["required_version"]="21"
+
+declare -A jq
+jq["name"]="jq"
+jq["version_command"]="jq --version | awk -F- '{print \$2}'"
+jq["required_version"]="any"
+
+declare -A node
+node["name"]="Node"
+node["version_command"]="node --version"
+node["required_version"]="22"
+
+declare -A yarn
+yarn["name"]="Yarn"
+yarn["version_command"]="yarn --version"
+yarn["required_version"]="1.22 1.23 1.24"
+
+declare -A antlr
+antlr["name"]="ANTLR"
+antlr["version_command"]="antlr4 | head -n1 | awk 'NF>1{print \$NF}'"
+antlr["required_version"]="4.9"
+
+
+code=0
+
+function print_error() {
+    >&2 echo "✗ ERROR: $1"
+}
+
+check_command_existence() {
+    which "$1" >/dev/null 2>&1
+    res=$?
+    if [[ $res -ne 0 ]]; then
+      print_error "$command is not installed."
+      code=2
+    fi
+    echo $res
+}
+
+check_version() {
+    local tool_name=$1
+    local current=$2
+    local required=$3
+    IFS=' ' read -r -a required_versions <<< "$required"
+    if [[ "$required" == "any" ]]; then
+        echo "✓ $tool_name version $current is supported."
+        return
+    fi
+    for v in "${required_versions[@]}"; do
+        if [[ "$current" =~ $v.* ]]; then
+            echo "✓ $tool_name version $version is supported."
+            return
+        fi
+    done
+    print_error "$tool_name version $version is not supported. Supported versions are: $required"
+    code=1
+}
+
+declare -n dependency
+for dependency in python docker java maven jq node yarn antlr; do
+    command=$(echo "${dependency["version_command"]}" | awk '{print $1}')
+    if [[ $(check_command_existence "$command") -ne 0 ]]; then
+        continue
+    fi
+    tool_name=${dependency["name"]}
+    version=$(eval ${dependency["version_command"]})
+    required_version=${dependency["required_version"]}
+    check_version $tool_name "$version" "$required_version"
+done
+if [[ $code -eq 0 ]]; then
+    echo "✓ All prerequisites are met."
+else
+    print_error "Some prerequisites are not met."
+fi
+exit $code