chore: Add helm install script

Signed-off-by: Schubert Anselme <[email protected]>

scripts/install/helm.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0
+# source scripts/alias.sh
+source scripts/environment.sh
+
+export $(yq --output-format shell '
+  .binaries[] |
+  select(.name == "helm")
+' config/versions.yaml | tr -d "'")
+
+export os="$(uname | tr '[:upper:]' '[:lower:]')"
+export arch="$(uname -m)"
+
+archs=($(get_env_var "arch_"))
+url="$(printf ${url} | envsubst)"
+
+[[ DEBUG -eq 1 ]] && echo """
+os: ${os}
+arch: ${arch}
+
+url: ${url}
+version: ${version}
+support: ${archs[*]}
+"""
+
+# install helm
+if [[ "${archs[@]}" =~ "${arch}" ]]; then
+  echo curl -fsSLo /tmp/helm.tgz "${url}"
+  echo tar -xzf /tmp/helm.tgz
+  echo install "/tmp/${os}-${arch}/helm /usr/local/bin/helm"
+  echo helm version
+else
+  echo "unsupported architecture"
+fi