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stable visdiff: toggle to second parent when diff tool refuses three-way diff

Closes #1023

Changeset c769bbbf1af7…

Parent 374d40d80501…

by Steve Borho

Changes to one file · Browse files at c769bbbf1af7 Showing diff from parent 374d40d80501 Diff from another changeset...

Change 1 of 1 Show Entire File tortoisehg/​hgtk/​visdiff.py Stacked
 
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@@ -204,9 +204,15 @@
  diffcmd, diffopts, mergeopts = detectedtools[preferred]     # Disable 3-way merge if there is only one parent or no tool support - do3way = bool(mergeopts) and ctx1b is not None - if do3way: - args = mergeopts + do3way = False + if ctx1b: + if mergeopts: + do3way = True + args = mergeopts + else: + args = diffopts + if str(ctx1b.rev()) in revs: + ctx1a = ctx1b   else:   args = diffopts