feat(powershell): convert to v2 tool

src/usr/local/buildpack/tools/v2/powershell.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+function prepare_tool() {
+  local version_codename
+
+  version_codename="$(get_distro)"
+  case "${version_codename}" in
+    "bionic") apt_install libc6 libgcc1 libgssapi-krb5-2 libicu60 libssl1.1 libstdc++6 zlib1g;;
+    "focal") apt_install libc6 libgcc1 libgssapi-krb5-2 libicu66 libssl1.1 libstdc++6 zlib1g;;
+    "jammy") apt_install libc6 libgcc1 libgssapi-krb5-2 libicu70 libssl3 libstdc++6 zlib1g;;
+    *)
+      echo "Tool '${TOOL_NAME}' not supported on: ${version_codename}! Please use ubuntu 'bionic', 'focal' or 'jammy'." >&2
+      exit 1
+    ;;
+  esac
+
+  create_tool_path > /dev/null
+}
+
+function install_tool () {
+  local file
+  local versioned_tool_path
+
+  if [[ ! -d "$(find_tool_path)" ]]; then
+    if [[ $(is_root) -ne 0 ]]; then
+      echo "${TOOL_NAME} not prepared"
+      exit 1
+    fi
+    prepare_tool
+  fi
+
+  versioned_tool_path=$(create_versioned_tool_path)
+
+  file=$(get_from_url "https://github.com/PowerShell/PowerShell/releases/download/v${TOOL_VERSION}/powershell-${TOOL_VERSION}-linux-x64.tar.gz")
+  bsdtar -C "${versioned_tool_path}" -xzf "${file}"
+  # Happened on v7.3.0
+  if [[ ! -x "${versioned_tool_path}/pwsh" ]]; then
+    chmod +x "${versioned_tool_path}/pwsh"
+  fi
+}
+
+function link_tool () {
+  shell_wrapper pwsh "$(find_versioned_tool_path)"
+  pwsh -version
+}

test/powershell/Dockerfile

@@ -7,16 +7,18 @@ FROM ${IMAGE} as base
 RUN touch /.dummy
 
 #--------------------------------------
-# test: powershell 7.2
+# test: powershell 7.2 (non-root)
 #--------------------------------------
 FROM base as testa
 
 ARG APT_HTTP_PROXY
+RUN prepare-tool powershell
+
+USER 1000
 
 # Don't update
 RUN install-tool powershell v7.2.8
 
-USER 1000
 
 RUN set -ex; \
   pwsh -Version