feat: adds --output-file flag to spectool test#2
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claymcleod merged 2 commits intomainfrom Mar 16, 2026
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When set, spectool reads task/workflow outputs from the specified file
path instead of the default `outputs.json` in the working directory.
The path supports `~{target}` substitution, making it compatible with
engines that write outputs to indexed locations (e.g., Sprocket's
`--index-on` flag).
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This adds an
--output-fileflag tospectool testthat lets spectool read task/workflow outputs from a specified file path instead of the defaultoutputs.jsonin the working directory. The path supports~{target}substitution, so it works with engines that write outputs to indexed locations.The motivating use case is Sprocket's
--index-onflag, which writes outputs to stable symlinked paths like/tmp/out/index/<target>/outputs.json. With--output-file, spectool can read directly from these paths rather than relying on--redirect-stdoutto capture JSON from stdout—which broke when Sprocket started printing non-JSON status messages to stdout (see stjude-rust-labs/sprocket#732).Example usage:
Tested locally against the full WDL 1.3 spec—172/172 passed.