refactor(plugin.yaml): enhance platform support and update commands

.github/workflows/ci.yaml

@@ -43,7 +43,7 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
         shell: [ default ]
         experimental: [ false ]
-        helm-version: [ v3.18.6, v3.17.4 ]
+        helm-version: [ v3.18.6, v3.19.0-rc.1 ]
         include:
           - os: windows-latest
             shell: wsl
@@ -61,16 +61,16 @@ jobs:
           - os: windows-latest
             shell: wsl
             experimental: false
-            helm-version: v3.17.4
+            helm-version: v3.19.0-rc.1
           - os: windows-latest
             shell: cygwin
             experimental: false
-            helm-version: v3.17.4
+            helm-version: v3.19.0-rc.1
           - os: ubuntu-latest
             container: alpine
             shell: sh
             experimental: false
-            helm-version: v3.17.4
+            helm-version: v3.19.0-rc.1
 
     steps:
       - name: Disable autocrlf
@@ -93,8 +93,6 @@ jobs:
       - name: Setup Cygwin
         if: "contains(matrix.shell, 'cygwin')"
         uses: egor-tensin/setup-cygwin@v4
-        with:
-          platform: x64
 
       - name: helm plugin install
         run: helm plugin install .
@@ -111,7 +109,7 @@ jobs:
           # That's why we cover only 2 Helm minor versions in this matrix.
           # See https://github.com/helmfile/helmfile/pull/286#issuecomment-1250161182 for more context.
           - helm-version: v3.18.6
-          - helm-version: v3.17.4
+          - helm-version: v3.19.0-rc.1
     steps:
       - uses: engineerd/setup-kind@v0.6.2
         with:

install-binary.ps1

@@ -0,0 +1,77 @@
+param (
+  [switch] $Update = $false
+)
+
+function Get-Architecture {
+  $architecture = [System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture
+
+  $arch = switch ($architecture) {
+    "X64"  { "amd64" }
+    "Arm64" { "arm64" }
+    Default { "" }
+  }
+
+  if ($arch -eq "") {
+    throw "Unsupported architecture: ${architecture}"
+  }
+
+  return $arch
+}
+
+function Get-Version {
+  param ([Parameter(Mandatory=$true)][bool] $Update)
+
+  if ($Update) {
+    return "latest"
+  }
+
+  return git describe --tags --exact-match 2>$null || "latest"
+}
+
+function New-TemporaryDirectory {
+  $tmp = [System.IO.Path]::GetTempPath()
+  $name = (New-Guid).ToString("N")
+  $dir = New-Item -ItemType Directory -Path (Join-Path $tmp $name)
+  return $dir.FullName
+}
+
+function Get-Url {
+  param ([Parameter(Mandatory=$true)][string] $Version, [Parameter(Mandatory=$true)][string] $Architecture)
+
+  if ($Version -eq "latest") {
+    return "https://github.com/databus23/helm-diff/releases/latest/download/helm-diff-windows-${Architecture}.tgz"
+  }
+  return "https://github.com/databus23/helm-diff/releases/download/${Version}/helm-diff-windows-${Architecture}.tgz"
+}
+
+function Download-Plugin {
+  param ([Parameter(Mandatory=$true)][string] $Url, [Parameter(Mandatory=$true)][string] $Output)
+
+  Invoke-WebRequest -OutFile $Output $Url
+}
+
+function Install-Plugin {
+  param ([Parameter(Mandatory=$true)][string] $ArchiveDirectory, [Parameter(Mandatory=$true)][string] $ArchiveName, [Parameter(Mandatory=$true)][string] $Destination)
+
+  Push-Location $ArchiveDirectory
+  tar -xzf $ArchiveName -C . 
+  Pop-Location
+
+  New-Item -ItemType Directory -Path $Destination -Force
+  Copy-Item -Path (Join-Path $ArchiveDirectory "diff" "bin" "diff.exe") -Destination $Destination -Force
+}
+
+$ErrorActionPreference = "Stop"
+
+$archiveName = "helm-diff.tgz"
+$arch = Get-Architecture
+$version = Get-Version -Update $Update
+$tmpDir = New-TemporaryDirectory
+
+trap {  Remove-Item -path $tmpDir -Recurse -Force }
+
+$url = Get-Url -Version $version -Architecture $arch
+$output = Join-Path $tmpDir $archiveName
+
+Download-Plugin -Url $url -Output $output
+Install-Plugin -ArchiveDirectory $tmpDir -ArchiveName $archiveName -Destination (Join-Path $env:HELM_PLUGIN_DIR "bin")

plugin.yaml

@@ -1,11 +1,30 @@
-name: "diff"
+name: diff
 # Version is the version of Helm plus the number of official builds for this
 # plugin
 version: "3.12.5"
 usage: "Preview helm upgrade changes as a diff"
 description: "Preview helm upgrade changes as a diff"
 useTunnel: true
-command: "$HELM_PLUGIN_DIR/bin/diff"
-hooks:
-  install: "$HELM_PLUGIN_DIR/install-binary.sh"
-  update: "$HELM_PLUGIN_DIR/install-binary.sh -u"
+platformCommand:
+  - command: ${HELM_PLUGIN_DIR}/bin/diff
+  - os: windows
+    command: ${HELM_PLUGIN_DIR}\bin\diff.exe
+
+platformHooks:
+  install:
+    - command: ${HELM_PLUGIN_DIR}/install-binary.sh
+    - os: windows
+      command: pwsh
+      args:
+          - -c
+          - ${HELM_PLUGIN_DIR}/install-binary.ps1
+  update:
+    - command: ${HELM_PLUGIN_DIR}/install-binary.sh
+      args:
+        - -u
+    - os: windows
+      command: pwsh
+      args:
+        - -c
+        - ${HELM_PLUGIN_DIR}/install-binary.ps1
+        - -Update