docs: WHEEL_DEBUG_METADATA_{JSON,XML} overwrite behavior - #130
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The dump path is fixed (the env-var value, no component name / suffix) and written with node:fs/promises writeFile (flag 'w', truncate): - multiple inputFiles in one HPCI-SS / HPCISS-tar component => a single dump (gatherComponentMetadata / componentMetadataToXml run once per _hpcissHandler call; extra inputFiles only add wheel.workflow xattr targets). - 2+ HPCI-SS components, or one component re-run in a loop => each run overwrites the same path; only the last survives. Each dump is a whole-project snapshot. Documented in gfarm.md's "デバッグ用メタデータ書き出し" section with a new "上書き挙動" subsection, plus a discoverability pointer from configuration.md section 4 (WHEEL_* env var list). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017xw6DdyQhrdTZMjYbKvFZi
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Documents what happens to the
WHEEL_DEBUG_METADATA_JSON/WHEEL_DEBUG_METADATA_XMLdump files when a project has more than one HPCI-SS metadata write.
Behavior (unchanged, just now written down):
node:fs/promiseswriteFile(flagw, truncate).inputFilesin one HPCI-SS / HPCISS-tar component → one dump.gatherComponentMetadata/componentMetadataToXmlare called once per_hpcissHandlerrun; extrainputFilesonly addwheel.workflowxattr targets.Changes:
documentMD/design/gfarm.md— new "上書き挙動" subsection under "デバッグ用メタデータ書き出し".documentMD/design/configuration.md§4 — adds the two vars to theWHEEL_*env-var list with a pointer to gfarm.md (they were previously only documented in gfarm.md).No code change.
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