Build Failure Analysis: reuse Azure DevOps binlogs instead of rebuilding#10002

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YuliiaKovalova wants to merge 18 commits into

microsoft:mainfrom

YuliiaKovalova:copilot/build-failure-analysis-reuse-binlog

Commits on Jul 16, 2026

Build Failure Analysis: reuse Azure DevOps binlogs instead of rebuilding

YuliiaKovalova
and
Copilot
committed
Address review: multi-binlog propagation, PR-source reads, build/PR validation

YuliiaKovalova
and
Copilot
committed
Harden artifact extraction + fix trigger scope, agent selection, workspace docs

YuliiaKovalova
and
Copilot
committed
Validate build for all triggers, guard zip bombs, drop unusable NuGet tool, fix command no-op

YuliiaKovalova
and
Copilot
committed
Validate uncompressed-size guard input is numeric before comparison

YuliiaKovalova
and
Copilot
committed
Anchor analysis to the build's revision + cumulative disk budget + newest-build selection

YuliiaKovalova
and
Copilot
committed
Document why top-level permissions use pull-requests: read

YuliiaKovalova
and
Copilot
committed
Require build revision == current PR head; count only staged binlogs; doc fixes

YuliiaKovalova
and
Copilot
committed
Harden artifact size cap, guard null PR lookup, fix stale trigger/log wording

YuliiaKovalova
and
Copilot
committed
Run analysis inline (no task tool), enforce download hard-cap and fail-closed revision check

YuliiaKovalova
and
Copilot
committed
Reword allowed-tools note in shared prompt to include the write tool

YuliiaKovalova
and
Copilot
committed
Scope agent to build failures only: stay silent on clean-compile pipeline failures

YuliiaKovalova
and
Copilot
committed
Harden binlog fetch: array-safe artifact loop, re-check PR head, clarify prompt

YuliiaKovalova
and
Copilot
committed
Guard against ZIP64 size overflow; scope NuGet claims; re-verify PR head before posting

YuliiaKovalova
and
Copilot
committed
Harden fetch: sanitize artifact names, resolve PR from build sourceBranch, fail closed on partial legs; agent trust-boundary + tool-name fixes

YuliiaKovalova
and
Copilot
committed
Use bracket notation for hyphenated dispatch inputs; make binlog staging collision-safe

YuliiaKovalova
and
Copilot
committed
Detect base-branch-advance staleness via merge SHA; prefer sourceBranch PR; fix budget accounting

YuliiaKovalova
and
Copilot
committed
Validate resolved build id / PR number are numeric; document reaction perms and merge-SHA env

YuliiaKovalova
and
Copilot
committed

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Build Failure Analysis: reuse Azure DevOps binlogs instead of rebuilding#10002

Build Failure Analysis: reuse Azure DevOps binlogs instead of rebuilding#10002
YuliiaKovalova wants to merge 18 commits into
microsoft:mainfrom
YuliiaKovalova:copilot/build-failure-analysis-reuse-binlog

Commits on Jul 16, 2026

Build Failure Analysis: reuse Azure DevOps binlogs instead of rebuilding

Address review: multi-binlog propagation, PR-source reads, build/PR validation

Harden artifact extraction + fix trigger scope, agent selection, workspace docs

Validate build for all triggers, guard zip bombs, drop unusable NuGet tool, fix command no-op

Validate uncompressed-size guard input is numeric before comparison

Anchor analysis to the build's revision + cumulative disk budget + newest-build selection

Document why top-level permissions use pull-requests: read

Require build revision == current PR head; count only staged binlogs; doc fixes

Harden artifact size cap, guard null PR lookup, fix stale trigger/log wording

Run analysis inline (no task tool), enforce download hard-cap and fail-closed revision check

Reword allowed-tools note in shared prompt to include the write tool

Scope agent to build failures only: stay silent on clean-compile pipeline failures

Harden binlog fetch: array-safe artifact loop, re-check PR head, clarify prompt

Guard against ZIP64 size overflow; scope NuGet claims; re-verify PR head before posting

Harden fetch: sanitize artifact names, resolve PR from build sourceBranch, fail closed on partial legs; agent trust-boundary + tool-name fixes

Use bracket notation for hyphenated dispatch inputs; make binlog staging collision-safe

Detect base-branch-advance staleness via merge SHA; prefer sourceBranch PR; fix budget accounting

Validate resolved build id / PR number are numeric; document reaction perms and merge-SHA env