disable Backup for WinMerge (#368)

Author: SimonCropp

docs/diff-tool.md

@@ -566,17 +566,17 @@ Non-MDI tools are preferred since it allows [DiffEngineTray](tray.md) to track a
 
 #### Notes:
 
- * Ensure that file backups are either [disabled](winmerge-no-backup.png) or changed to use a [Global backup folder](winmerge-backup-directory.png).
  * [Command line reference](https://manual.winmerge.org/en/Command_line.html).
  * `/u` Prevents WinMerge from adding paths to the Most Recently Used (MRU) list.
  * `/wl` Opens the left side as read-only.
  * `/dl` and `/dr` Specifies file descriptions in the title bar.
  * `/e` Enables close with a single Esc key press.
+ * `/cfg Backup/EnableFile=0` disable backup files.
 
 #### Windows settings:
 
-  * Example target on left arguments: `/u /wr /e "targetFile.txt" "tempFile.txt" /dl "targetFile.txt" /dr "tempFile.txt" `
-  * Example target on right arguments: `/u /wl /e "tempFile.txt" "targetFile.txt" /dl "tempFile.txt" /dr "targetFile.txt" `
+  * Example target on left arguments: `/u /wr /e "targetFile.txt" "tempFile.txt" /dl "targetFile.txt" /dr "tempFile.txt" /cfg Backup/EnableFile=0 `
+  * Example target on right arguments: `/u /wl /e "tempFile.txt" "targetFile.txt" /dl "tempFile.txt" /dr "targetFile.txt" /cfg Backup/EnableFile=0 `
   * Scanned paths:  
     * `%PATH%WinMergeU.exe`
     * `%ProgramFiles%\WinMerge\WinMergeU.exe`

docs/winmerge-backup-directory.png

@@ -453,17 +453,17 @@ Non-MDI tools are preferred since it allows [DiffEngineTray](tray.md) to track a
 
 #### Notes:
 
- * Ensure that file backups are either [disabled](winmerge-no-backup.png) or changed to use a [Global backup folder](winmerge-backup-directory.png).
  * [Command line reference](https://manual.winmerge.org/en/Command_line.html).
  * `/u` Prevents WinMerge from adding paths to the Most Recently Used (MRU) list.
  * `/wl` Opens the left side as read-only.
  * `/dl` and `/dr` Specifies file descriptions in the title bar.
  * `/e` Enables close with a single Esc key press.
+ * `/cfg Backup/EnableFile=0` disable backup files.
 
 #### Windows settings:
 
-  * Example target on left arguments: `/u /wr /e "targetFile.txt" "tempFile.txt" /dl "targetFile.txt" /dr "tempFile.txt" `
-  * Example target on right arguments: `/u /wl /e "tempFile.txt" "targetFile.txt" /dl "tempFile.txt" /dr "targetFile.txt" `
+  * Example target on left arguments: `/u /wr /e "targetFile.txt" "tempFile.txt" /dl "targetFile.txt" /dr "tempFile.txt" /cfg Backup/EnableFile=0 `
+  * Example target on right arguments: `/u /wl /e "tempFile.txt" "targetFile.txt" /dl "tempFile.txt" /dr "targetFile.txt" /cfg Backup/EnableFile=0 `
   * Scanned paths:  
     * `%PATH%WinMergeU.exe`
     * `%ProgramFiles%\WinMerge\WinMergeU.exe`

docs/winmerge-no-backup.png

@@ -6,14 +6,14 @@ static string LeftArguments(string temp, string target)
         {
             var tempTitle = Path.GetFileName(temp);
             var targetTitle = Path.GetFileName(target);
-            return $"/u /wr /e \"{target}\" \"{temp}\" /dl \"{targetTitle}\" /dr \"{tempTitle}\"";
+            return $"/u /wr /e \"{target}\" \"{temp}\" /dl \"{targetTitle}\" /dr \"{tempTitle}\" /cfg Backup/EnableFile=0";
         }
 
         static string RightArguments(string temp, string target)
         {
             var tempTitle = Path.GetFileName(temp);
             var targetTitle = Path.GetFileName(target);
-            return $"/u /wl /e \"{temp}\" \"{target}\" /dl \"{tempTitle}\" /dr \"{targetTitle}\"";
+            return $"/u /wl /e \"{temp}\" \"{target}\" /dl \"{tempTitle}\" /dr \"{targetTitle}\" /cfg Backup/EnableFile=0";
         }
 
         return new(
@@ -85,12 +85,12 @@ static string RightArguments(string temp, string target)
                     @"%ProgramFiles%\WinMerge\",
                     @"%LocalAppData%\Programs\WinMerge\")),
             Notes: """
-                 * Ensure that file backups are either [disabled](winmerge-no-backup.png) or changed to use a [Global backup folder](winmerge-backup-directory.png).
                  * [Command line reference](https://manual.winmerge.org/en/Command_line.html).
                  * `/u` Prevents WinMerge from adding paths to the Most Recently Used (MRU) list.
                  * `/wl` Opens the left side as read-only.
                  * `/dl` and `/dr` Specifies file descriptions in the title bar.
                  * `/e` Enables close with a single Esc key press.
+                 * `/cfg Backup/EnableFile=0` disable backup files.
                 """);
     }
 }