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33 lines
1.2 KiB
33 lines
1.2 KiB
# JSON module graph queries
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This directory contains `jq` scripts that query Soong's module graph.
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It uses the JSON module graph that Soongs dumps when the
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`SOONG_DUMP_JSON_MODULE_GRAPH` environment variable is set.
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Usage:
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```
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SOONG_DUMP_JSON_MODULE_GRAPH=<some file> m nothing
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query.sh [-C] <command> <some file> [argument]
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```
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The following commands are available:
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* `printModule` prints all variations of a given module
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* `filterSubtree` dumps only those modules that are in the given subtree of the
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source tree
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* `directDeps` prints the names of the direct dependencies of the given module
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* `transitiveDeps` prints the names of the transitive dependencies of the given
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module
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* `fullTransitiveDeps` returns the full transitive dependencies of the given
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module
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* `distanceFromLeaves` prints the longest distance each module has from a leaf
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in the module graph within the transitive closure of given module
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* `usedVariations` returns a map that shows which variations are used in the
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input and what values they take
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* `variantTransitions` summarizes the variant transitions in the transitive
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closure of the given module
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It's best to filter the full module graph to the part you are interested in
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because `jq` isn't too fast on the full graph.
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