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Paul Hinze ce49dd6080 core: graph command gets -verbose and -draw-cycles ... When you specify `-verbose` you'll get the whole graph of operations, which gives a better idea of the operations terraform performs and in what order. The DOT graph is now generated with a small internal library instead of simple string building. This allows us to ensure the graph generation is as consistent as possible, among other benefits. We set `newrank = true` in the graph, which I've found does just as good a job organizing things visually as manually attempting to rank the nodes based on depth. This also fixes `-module-depth`, which was broken post-AST refector. Modules are now expanded into subgraphs with labels and borders. We have yet to regain the plan graphing functionality, so I removed that from the docs for now. Finally, if `-draw-cycles` is added, extra colored edges will be drawn to indicate the path of any cycles detected in the graph. A notable implementation change included here is that {Reverse,}DepthFirstWalk has been made deterministic. (Before it was dependent on `map` ordering.) This turned out to be unnecessary to gain determinism in the final DOT-level implementation, but it seemed a desirable enough of a property that I left it in.		11 years ago
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graph.go	core: graph command gets -verbose and -draw-cycles	11 years ago
graph_writer.go	core: graph command gets -verbose and -draw-cycles	11 years ago