Apply macOS entitlements to pwsh

Uses codesign in the macOS build step to apply entitlements from a plist.
This is required for the hardened runtime (which is required for notarization).

See: https://learn.microsoft.com/en-us/dotnet/core/install/macos-notarization-issues#default-entitlements

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

.pipelines/templates/mac.yml

@@ -69,6 +69,14 @@ jobs:
       $psOptPath = "$(OB_OUTPUTDIRECTORY)/psoptions.json"
       Save-PSOptions -PSOptionsPath $psOptPath
 
+      $entitlements = "$(PowerShellRoot)/assets/macos-entitlements.plist"
+      $pwshBin = "$(OB_OUTPUTDIRECTORY)/pwsh"
+      Write-Verbose -Verbose "Applying entitlements to $pwshBin"
+      codesign --sign - --force --options runtime --entitlements $entitlements $pwshBin
+      if ($LASTEXITCODE -ne 0) {
+        throw "codesign failed with exit code $LASTEXITCODE"
+      }
+
       # Since we are using custom pool for macOS, we need to use artifact.upload to publish the artifacts
       Write-Host "##vso[artifact.upload containerfolder=$artifactName;artifactname=$artifactName]$(OB_OUTPUTDIRECTORY)"
 

assets/macos-entitlements.plist

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>com.apple.security.cs.allow-jit</key>
+    <true/>
+    <key>com.apple.security.cs.allow-unsigned-executable-memory</key>
+    <true/>
+    <key>com.apple.security.cs.allow-dyld-environment-variables</key>
+    <true/>
+    <key>com.apple.security.cs.disable-library-validation</key>
+    <true/>
+</dict>
+</plist>