CI: Add Windows Patches Action

.github/actions/windows-patches/Ensure-Location.ps1

@@ -0,0 +1,29 @@
+function Ensure-Location {
+    <#
+        .SYNOPSIS
+            Ensures current location to be set to specified directory.
+        .DESCRIPTION
+            If specified directory exists, switch to it. Otherwise create it,
+            then switch.
+        .EXAMPLE
+            Ensure-Location "My-Directory"
+            Ensure-Location -Path "Path-To-My-Directory"
+    #>
+
+    param(
+        [Parameter(Mandatory)]
+        [string] $Path
+    )
+
+    if ( ! ( Test-Path $Path ) ) {
+        $_Params = @{
+            ItemType = "Directory"
+            Path = ${Path}
+            ErrorAction = "SilentlyContinue"
+        }
+
+        New-Item @_Params | Set-Location
+    } else {
+        Set-Location -Path ${Path}
+    }
+}

.github/actions/windows-patches/Invoke-External.ps1

@@ -0,0 +1,40 @@
+function Invoke-External {
+    <#
+        .SYNOPSIS
+            Invokes a non-PowerShell command.
+        .DESCRIPTION
+            Runs a non-PowerShell command, and captures its return code.
+            Throws an exception if the command returns non-zero.
+        .EXAMPLE
+            Invoke-External 7z x $MyArchive
+    #>
+
+    if ( $args.Count -eq 0 ) {
+        throw 'Invoke-External called without arguments.'
+    }
+
+    if ( ! ( Test-Path function:Log-Information ) ) {
+        . $PSScriptRoot/Logger.ps1
+    }
+
+    $Command = $args[0]
+    $CommandArgs = @()
+
+    if ( $args.Count -gt 1) {
+        $CommandArgs = $args[1..($args.Count - 1)]
+    }
+
+    $_EAP = $ErrorActionPreference
+    $ErrorActionPreference = "Continue"
+
+    Log-Debug "Invoke-External: ${Command} ${CommandArgs}"
+
+    & $command $commandArgs
+    $Result = $LASTEXITCODE
+
+    $ErrorActionPreference = $_EAP
+
+    if ( $Result -ne 0 ) {
+        throw "${Command} ${CommandArgs} exited with non-zero code ${Result}."
+    }
+}

.github/actions/windows-patches/Logger.ps1

@@ -0,0 +1,149 @@
+function Log-Debug {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory,ValueFromPipeline)]
+        [ValidateNotNullOrEmpty()]
+        [string[]] $Message
+    )
+
+    Process {
+        foreach($m in $Message) {
+            Write-Debug $m
+        }
+    }
+}
+
+function Log-Verbose {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory,ValueFromPipeline)]
+        [ValidateNotNullOrEmpty()]
+        [string[]] $Message
+    )
+
+    Process {
+        foreach($m in $Message) {
+            Write-Verbose $m
+        }
+    }
+}
+
+function Log-Warning {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory,ValueFromPipeline)]
+        [ValidateNotNullOrEmpty()]
+        [string[]] $Message
+    )
+
+    Process {
+        foreach($m in $Message) {
+            Write-Warning $m
+        }
+    }
+}
+
+function Log-Error {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory,ValueFromPipeline)]
+        [ValidateNotNullOrEmpty()]
+        [string[]] $Message
+    )
+
+    Process {
+        foreach($m in $Message) {
+            Write-Error $m
+        }
+    }
+}
+
+function Log-Information {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory,ValueFromPipeline)]
+        [ValidateNotNullOrEmpty()]
+        [string[]] $Message
+    )
+
+    Process {
+        if ( ! ( $script:Quiet ) ) {
+            $StageName = $( if ( $script:StageName -ne $null ) { $script:StageName } else { '' })
+            $Icon = ' =>'
+
+            foreach($m in $Message) {
+                Write-Host -NoNewLine -ForegroundColor Blue "  ${StageName} $($Icon.PadRight(5)) "
+                Write-Host "${m}"
+            }
+        }
+    }
+}
+
+function Log-Group {
+    [CmdletBinding()]
+    param(
+        [Parameter(ValueFromPipeline)]
+        [string[]] $Message
+    )
+
+    Process {
+        if ( $Env:CI -ne $null )  {
+            if ( $script:LogGroup ) {
+                Write-Output '::endgroup::'
+                $script:LogGroup = $false
+            }
+
+            if ( $Message.count -ge 1 ) {
+                Write-Output "::group::$($Message -join ' ')"
+                $script:LogGroup = $true
+            }
+        } else {
+            if ( $Message.count -ge 1 ) {
+                Log-Information $Message
+            }
+        }
+    }
+}
+
+function Log-Status {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory,ValueFromPipeline)]
+        [ValidateNotNullOrEmpty()]
+        [string[]] $Message
+    )
+
+    Process {
+        if ( ! ( $script:Quiet ) ) {
+            $StageName = $( if ( $StageName -ne $null ) { $StageName } else { '' })
+            $Icon = '  >'
+
+            foreach($m in $Message) {
+                Write-Host -NoNewLine -ForegroundColor Green "  ${StageName} $($Icon.PadRight(5)) "
+                Write-Host "${m}"
+            }
+        }
+    }
+}
+
+function Log-Output {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory,ValueFromPipeline)]
+        [ValidateNotNullOrEmpty()]
+        [string[]] $Message
+    )
+
+    Process {
+        if ( ! ( $script:Quiet ) ) {
+            $StageName = $( if ( $script:StageName -ne $null ) { $script:StageName } else { '' })
+            $Icon = ''
+
+            foreach($m in $Message) {
+                Write-Output "  ${StageName} $($Icon.PadRight(5)) ${m}"
+            }
+        }
+    }
+}
+
+$Columns = (Get-Host).UI.RawUI.WindowSize.Width - 5

.github/actions/windows-patches/action.yaml

@@ -0,0 +1,111 @@
+name: Run bouf Patch Generation
+description: Generates OBS updater manifest and patches
+inputs:
+  gcsAccessKeyId:
+    description: GCS S3 Access Key ID
+    required: true
+  gcsAccessKeySecret:
+    description: GCS S3 Access Key Secret
+    required: true
+  workflowSecret:
+    description: GitHub API token to use for API calls
+    required: true
+  tagName:
+    description: GitHub Release tag
+    required: true
+  channel:
+    description: Update channel
+    required: false
+    default: 'stable'
+
+runs:
+  using: composite
+  steps:
+    - uses: actions/checkout@v4
+      with:
+        path: "repo"
+        fetch-depth: 0
+
+    - name: Download Release Artifact
+      shell: pwsh
+      env:
+        GH_TOKEN: ${{ inputs.workflowSecret }}
+      run: |
+        # Download OBS release
+        . ${env:GITHUB_ACTION_PATH}\Invoke-External.ps1
+        Invoke-External gh release download "${{ inputs.tagName }}" -p "*-Windows.zip"
+        Expand-Archive -Path "*-Windows.zip" -DestinationPath "${{ github.workspace }}/build"
+
+    - name: Setup bouf
+      shell: pwsh
+      env:
+        BOUF_TAG: 'v0.6.3'
+        BOUF_HASH: '7f1d266467620aa553a705391ee06128e8ee14af66129a0e64a282997fb6fd83'
+        BOUF_NSIS_HASH: 'a234126de89f122b6a552df3416de3eabcb4195217626c7f4eaec71b20fe36eb'
+        GH_TOKEN: ${{ github.token }}
+      run: |
+        # Download bouf release
+        . ${env:GITHUB_ACTION_PATH}\Ensure-Location.ps1
+        . ${env:GITHUB_ACTION_PATH}\Invoke-External.ps1
+        Ensure-Location bouf
+        $windows_zip = "bouf-windows-${env:BOUF_TAG}.zip"
+        $nsis_zip = "bouf-nsis-${env:BOUF_TAG}.zip"
+        Invoke-External gh release download "${env:BOUF_TAG}" -R "obsproject/bouf" -p $windows_zip -p $nsis_zip
+        
+        if ((Get-FileHash $windows_zip -Algorithm SHA256).Hash -ne "${env:BOUF_HASH}") {
+          throw "bouf hash does not match."
+        }
+        if ((Get-FileHash $nsis_zip -Algorithm SHA256).Hash -ne "${env:BOUF_NSIS_HASH}") {
+          throw "NSIS package hash does not match."
+        }
+        
+        Expand-Archive -Path $windows_zip -DestinationPath bin
+        Expand-Archive -Path $nsis_zip -DestinationPath nsis
+
+    - name: Install rclone and pandoc
+      shell: pwsh
+      run: |
+        choco install rclone pandoc -y --no-progress
+
+    - name: Download Previous Builds
+      shell: pwsh
+      env:
+        RCLONE_TRANSFERS: '100'
+        RCLONE_FAST_LIST: 'true'
+        RCLONE_EXCLUDE: '{pdbs/**,**/${{ inputs.tagName }}/**}'
+        RCLONE_S3_PROVIDER: 'GCS'
+        RCLONE_S3_ACCESS_KEY_ID: '${{ inputs.gcsAccessKeyId }}'
+        RCLONE_S3_SECRET_ACCESS_KEY: '${{ inputs.gcsAccessKeySecret }}'
+        RCLONE_S3_ENDPOINT: 'https://storage.googleapis.com'
+      run: |
+        rclone -q copy ":s3:obs-builds" "${{ github.workspace }}/old_builds"
+
+    - name: Prepare Release Notes
+      shell: pwsh
+      run: |
+        # Release notes are just the tag body on Windows
+        Set-Location repo
+        git tag -l --format='%(contents:body)' ${{ inputs.version }} > "${{ github.workspace }}/notes.rst"
+
+    - name: Run bouf
+      shell: pwsh
+      run: |
+        . ${env:GITHUB_ACTION_PATH}\Invoke-External.ps1
+        $boufArgs = @(
+           "--config",     "${env:GITHUB_ACTION_PATH}/config.toml",
+           "--version",    "${{ inputs.tagName }}"
+           "--branch",     "${{ inputs.channel }}"
+           "--notes-file", "${{ github.workspace }}/notes.rst"
+           "-i",           "${{ github.workspace }}/build"
+           "-p",           "${{ github.workspace }}/old_builds"
+           "-o",           "${{ github.workspace }}/output"
+           "--updater-data-only"
+        )
+        Invoke-External "${{ github.workspace }}\bouf\bin\bouf.exe" @boufArgs
+
+    - name: Upload Outputs
+      uses: actions/upload-artifact@v4
+      with:
+        name: windows-updater-files
+        compression-level: 0
+        path: ${{ github.workspace }}/output

.github/actions/windows-patches/config.toml

@@ -0,0 +1,25 @@
+[general]
+log_level = "trace"
+
+[env]
+# On CI these should be in %PATH%
+sevenzip_path = "7z"
+makensis_path = "makensis"
+pandoc_path = "pandoc"
+pdbcopy_path = "C:/Program Files (x86)/Windows Kits/10/Debuggers/x64/pdbcopy.exe"
+
+[prepare.codesign]
+skip_sign = true
+
+[generate]
+patch_type = "zstd"
+compress_files = true
+
+[package]
+
+[package.installer]
+skip = true
+
+[package.updater]
+vc_redist_path = "bouf/nsis/VC_redist.x64.exe"
+skip_sign = true

.github/workflows/dispatch.yaml

@@ -12,6 +12,7 @@ on:
           - services
           - translations
           - documentation
+          - patches
       ref:
         description: GitHub reference to use for job
         type: string
@@ -28,6 +29,10 @@ on:
         description: Custom macOS Intel build for Steam Upload
         type: string
         required: false
+      channel:
+        description: Channel to use when generating Windows update files
+        type: string
+        required: false
 permissions:
   contents: write
 jobs:
@@ -130,3 +135,17 @@ jobs:
           apiToken: ${{ secrets.CF_API_TOKEN }}
           accountId: ${{ secrets.CF_ACCOUNT_ID }}
           command: pages publish . --project-name=${{ vars.CF_PAGES_PROJECT }} --commit-hash='${{ steps.setup.outputs.commitHash }}'
+
+  windows-patches:
+    name: Create Windows Patches 🩹
+    if: github.repository_owner == 'obsproject' && inputs.job == 'patches'
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/windows-patches
+        with:
+          tagName: ${{ inputs.ref }}
+          workflowSecret: ${{ github.token }}
+          channel: ${{ inputs.channel }}
+          gcsAccessKeyId: ${{ secrets.GCS_ACCESS_KEY_ID }}
+          gcsAccessKeySecret: ${{ secrets.GCS_ACCESS_KEY_SECRET }}