Merge pull request #2190 from ahoppen/ahoppen/print-environment-variables

Print environment variables for commands executed by `swift-syntax-dev-utils`

Author: ahoppen

SwiftSyntaxDevUtils/Sources/swift-syntax-dev-utils/common/Logger.swift

@@ -20,6 +20,10 @@ extension Process {
   var command: String {
     var message = ""
 
+    for (key, value) in environment?.sorted(by: { $0.key < $1.key }) ?? [] {
+      message += "\(key)='\(value)' "
+    }
+
     if let executableURL = executableURL {
       message += executableURL.path
     }