Fixed duplicated variable name

Author: iComputerfreak

NotifierBot/Sources/Notifier/Commands/InfoCommand.swift

@@ -56,24 +56,24 @@ struct InfoCommand: Command {
         if !e.waitElement.isEmpty {
             lines.append("- Wait Element: ".escaped() + "`\(e.waitElement.escaped())`")
         }
-        var durationString = ""
+        var muteDurationString = ""
         if let restDuration = e.unmuteDate?.timeIntervalSince(Date()) {
-            durationString = SharedUtils.muteDurationFormatter.string(from: restDuration) ?? ""
+            muteDurationString = SharedUtils.muteDurationFormatter.string(from: restDuration) ?? ""
         }
-        lines.append("- Muted: \(e.isMuted ? "Yes (\(durationString) hours remaining)" : "No")".escaped())
+        lines.append("- Muted: \(e.isMuted ? "Yes (\(muteDurationString) hours remaining)" : "No")".escaped())
         let entryPath = SharedUtils.directory(for: e)
 
         let errorFile = "\(entryPath)/.error"
         let errored = FileManager.default.fileExists(atPath: errorFile)
         // The empty string will propagate the error to the formatter below
-        let errorFileContents = try? String(contentsOfFile: errorFile) ?? ""
+        let errorFileContents = (try? String(contentsOfFile: errorFile)) ?? ""
         let errorDate = ISO8601DateFormatter().date(from: errorFileContents)
-        var durationString: String? = nil
+        var errorDurationString: String? = nil
         if let errorDate = errorDate {
             let errorDuration = Date().timeIntervalSince(errorDate)
-            durationString = SharedUtils.muteDurationFormatter.string(from: errorDuration)
+            errorDurationString = SharedUtils.muteDurationFormatter.string(from: errorDuration)
         }
-        lines.append("- Errored: \(errored ? "Yes (for \(durationString ?? "an unknown time"))" : "No")")
+        lines.append("- Errored: \(errored ? "Yes (for \(errorDurationString ?? "an unknown time"))" : "No")")
         let notified = FileManager.default.fileExists(atPath: "\(entryPath)/.notified")
         lines.append("  - Notified: \(notified ? "Yes" : "No")")
         return lines.joined(separator: "\n")