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Infer GitHub App permissions and events from resolved package workflows in add-wizard bootstrap - #53766

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pelikhan with Copilot wants to merge 13 commits into
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copilot/infer-least-privilege-setup
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Infer GitHub App permissions and events from resolved package workflows in add-wizard bootstrap#53766
pelikhan with Copilot wants to merge 13 commits into
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copilot/infer-least-privilege-setup

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Copilot AI commented Aug 18, 2026

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gh aw add-wizard required aw.yml package manifests to manually declare github-app config permissions/events, duplicating what's already expressed in the workflows themselves. Manifests that omitted these fields silently produced a GitHub App with only metadata: read and no subscribed events.

Changes

  • Requirement inference (pkg/cli/bootstrap_profile_inference.go): resolves every workflow reachable from an aw.yml package and derives the minimal GitHub App requirements from their frontmatter:
    • Permissions merged per-resource, keeping the highest scope seen (write > read > none) across all workflows.
    • Events merged as a union of on: triggers, excluding non-webhook triggers (schedule, workflow_dispatch, repository_dispatch) that an App has no business subscribing to.
    • Inferred values are merged with any explicit permissions/events still declared in aw.yml, so manifests can supplement but no longer must duplicate.
  • Wiring (pkg/cli/bootstrap_profile_runner.go): executeBootstrapProfile now computes inferred requirements once per run and merges them into each github-app action before the App manifest is built.

Example

A package with two workflows — one needing issues: write on issues, another needing contents: write on pull_request (plus a schedule trigger) — now produces a single App requiring:

permissions:
  issues: write
  contents: write
events:
  - issues
  - pull_request

without either workflow's aw.yml entry declaring permissions/events explicitly.

Remaining scope

This issue also calls for verifying App identity/installation/permissions post-setup, distinguishing secret presence from valid configuration, blocking wizard success on incomplete setup, and summarizing reused/created/pending requirements — these are left as follow-up work.


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Copilot AI linked an issue Aug 18, 2026 that may be closed by this pull request
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Hey @Copilot 👋 — thanks for starting work on inferring least-privilege setup in add-wizard! This is an important feature for reducing boilerplate in package configuration.

Since this PR is currently a draft with no code changes yet, here are the next milestones to move it forward:

  • Add implementation code — Begin with the core logic to infer setup requirements from resolved workflows. Start with one workflow type (e.g., permissions detection) to establish the pattern.
  • Add tests — Unit tests for the requirement inference logic, permission merging, and App identity verification will be essential as you build out each feature. Cover happy paths and edge cases (missing permissions, conflicting requirements).
  • Update PR description — As you complete each gap from the issue (infer requirements, merge permissions, verify App, prevent incomplete setup, summarize config), update the PR body to track progress.

When you are ready to transition from draft to ready for review, make sure the PR:

  • Covers at least one complete flow (e.g., detecting and prompting for a required variable)
  • Has corresponding unit and integration tests
  • Includes clear comments on complex inference logic

You are on the right track with the detailed issue breakdown. Looking forward to seeing this come together! 🚀

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…n add-wizard bootstrap

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>
Copilot AI changed the title [WIP] Infer least-privilege setup in add-wizard Infer GitHub App permissions and events from resolved package workflows in add-wizard bootstrap Aug 18, 2026
Copilot AI requested a review from pelikhan August 18, 2026 17:09
@pelikhan
pelikhan marked this pull request as ready for review August 18, 2026 17:14
Copilot AI balanced review requested due to automatic review settings August 18, 2026 17:14
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@copilot add a cli argument to disable this behavior

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Pull request overview

Adds automatic GitHub App requirement inference for workflows installed through add-wizard.

Changes:

  • Infers and merges workflow permissions and events.
  • Applies inferred requirements to GitHub App bootstrap actions.
  • Adds unit tests for inference and merging.
Show a summary per file
File Description
pkg/cli/bootstrap_profile_runner.go Integrates inference into bootstrap execution.
pkg/cli/bootstrap_profile_inference.go Implements permission and event inference.
pkg/cli/bootstrap_profile_inference_test.go Tests inference and merge behavior.

Review details

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  • Files reviewed: 3/3 changed files
  • Comments generated: 4
  • Review effort level: Balanced

Comment thread pkg/cli/bootstrap_profile_inference.go Outdated
if err != nil || frontmatter == nil {
continue
}
mergeBootstrapPermissionsFromFrontmatter(permissions, frontmatter.Frontmatter["permissions"])

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Fixed in b371aeb: inference now derives from workflow.ComputeGitHubAppManifestPermissions, which merges safe-outputs-derived permissions (via SafeOutputsConfigFromKeys/ComputePermissionsForSafeOutputs) with the raw top-level permissions block, so a handler like create-issue yields issues: write even when the workflow only declares issues: read.

Comment thread pkg/cli/bootstrap_profile_inference.go Outdated
if !ok {
continue
}
merged[resource] = mergeBootstrapPermissionLevel(merged[resource], strings.TrimSpace(level))

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Fixed in b371aeb: ComputeGitHubAppManifestPermissions normalizes Actions permission keys (e.g. pull-requestspull_requests, security-eventssecurity_events) to App manifest keys and drops scopes with no App equivalent (id-token, attestations, models, copilot-requests) and none entries.

Comment thread pkg/cli/bootstrap_profile_inference.go Outdated
Comment on lines +130 to +136
filtered := make([]string, 0, len(names))
for _, name := range names {
name = strings.TrimSpace(name)
if name == "" || eventsExcludedFromGitHubAppInference[name] {
continue
}
filtered = append(filtered, name)

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Fixed in b371aeb: events are now derived via workflow.NormalizeGitHubAppWebhookEvents, which expands compiler-only triggers (slash_command, label_command, reaction, status-comment, command shorthands) to their underlying webhook events, maps pull_request_target to pull_request, and filters against valid App webhook subscriptions instead of copying raw on: keys verbatim.

Comment thread pkg/cli/bootstrap_profile_runner.go Outdated
var inferredPermissions map[string]string
var inferredEvents []string
if hasBootstrapGitHubAppAction(config.Profile.Profile.Config) {
inferredPermissions, inferredEvents, err = inferBootstrapGitHubAppRequirements(ctx, config.Sources)

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Fixed in 50e4672: executeBootstrapProfile now resolves inference sources from config.Profile.Source (the package the profile belongs to) instead of the full config.Sources, falling back to config.Sources only when Source is empty for backward compatibility. Added TestExecuteBootstrapProfile_InferenceScopedToProfileSourceOnly to cover it.

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

Copilot AI commented Aug 18, 2026

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@copilot add a cli argument to disable this behavior

Added a --no-github-app-permission-inference flag to gh aw add-wizard (commit 1c9be6c) that skips the inference step entirely, so only permissions/events explicitly declared in aw.yml are applied to the App.

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@copilot add extensive integration test cases

Copilot AI and others added 2 commits August 18, 2026 18:08
Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>
Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

Copilot AI commented Aug 18, 2026

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@copilot add extensive integration test cases

Added extensive tests covering the inference pipeline end-to-end: edge cases for inferBootstrapGitHubAppRequirements (single workflow, no permissions/events, all-excluded triggers, invalid frontmatter skipped, resolution errors) plus executeBootstrapProfile integration tests that drive real inference through to bootstrapCreateGitHubApp, verifying merged permissions/events reach the App manifest, manifest-declared values merge correctly, and inference is skipped when no github-app action is present.

Copilot AI commented Aug 19, 2026

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@copilot unify the code path that determines the config for aw.yml and .md files

Unified in b371aeb: added pkg/workflow/github_app_requirements.go (ComputeGitHubAppManifestPermissions, NormalizeGitHubAppWebhookEvents), which reuses the same safe-outputs permission derivation (ComputePermissionsForSafeOutputs/SafeOutputsConfigFromKeys) already used by the .md interactive workflow builder, plus Actions-scope→App-manifest key normalization and compiler-aware trigger expansion. pkg/cli/bootstrap_profile_inference.go now delegates to these shared helpers instead of hand-parsing frontmatter, so aw.yml package inference and .md workflow permission/event derivation follow one canonical path.

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@copilot A recent author update landed on this PR, but there is still no maintainer-visible resolution on the thread. Please review the latest feedback and updates, make any remaining adjustments if needed, refresh the branch if necessary, and then run the pr-finisher skill before handing back.

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Copilot AI requested a review from gh-aw-bot August 19, 2026 02:14
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@copilot A recent author update landed on this PR, but there is still no maintainer-visible resolution on the thread. Please review the latest feedback and updates, refresh the branch if needed, and then run the pr-finisher skill before handing back with a short maintainer-facing summary on the current head.

Current maintainer-visible next step:

  • Please confirm the unified config path for aw.yml and .md workflow handling on the current head and leave a concise reviewer-facing handoff note after validation.

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Copilot AI commented Aug 19, 2026

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@copilot A recent author update landed on this PR, but there is still no maintainer-visible resolution on the thread. Please review the latest feedback and updates, refresh the branch if needed, and t...

Confirmed on the current head (50e4672): the unified config path holds. Both pkg/cli/interactive.go (the .md interactive workflow builder, line 651) and pkg/cli/bootstrap_profile_inference.go (aw.yml package inference, line 45) call the same workflow.ComputePermissionsForSafeOutputs/SafeOutputsConfigFromKeys/ComputeGitHubAppManifestPermissions/NormalizeGitHubAppWebhookEvents helpers in pkg/workflow/github_app_requirements.go — no divergent hand-rolled logic remains in the cli package. Verified with go build ./..., TestComputeGitHubAppManifestPermissions, TestNormalizeGitHubAppWebhookEvents, and the pkg/cli bootstrap test suite — all pass. No code changes were needed for this check; working tree is clean at 50e4672.

Co-authored-by: gh-aw-bot <259018956+gh-aw-bot@users.noreply.github.com>
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Triage: category=feature · risk=medium · score=67/100 (impact 35/50, urgency 18/30, quality 14/20)
Recommended action: fast_track

Highest-value PR in this run: reduces manual GitHub App permission setup friction (1228+/22-, 11 files). Non-draft, active review discussion (14 comments/8 review comments). Recommend expedited human review to land this feature.

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@copilot Please refresh this PR for maintainer review and then run the pr-finisher skill.

Current maintainer-visible next steps:

  • Please leave a short reviewer-facing handoff on the current head confirming the unified config path for aw.yml and .md workflow handling remains correct after the latest changes.
  • Re-run the final validation you consider necessary for this feature and summarize what was checked for maintainers.
  • A branch refresh was attempted by sous-chef as well.

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Copilot AI commented Aug 19, 2026

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@copilot Please refresh this PR for maintainer review and then run the pr-finisher skill.

Current maintainer-visible next steps:...

Refreshed the branch against main (commit 0324560, clean merge — the only new upstream commit added t.Parallel() to unrelated codemod tests, no overlap with this PR's files). Re-confirmed the unified config path on the merged head: pkg/cli/interactive.go and pkg/cli/bootstrap_profile_inference.go still share pkg/workflow.ComputePermissionsForSafeOutputs/SafeOutputsConfigFromKeys/ComputeGitHubAppManifestPermissions/NormalizeGitHubAppWebhookEvents — no divergence. Validated with go build ./..., make fmt, pkg/cli bootstrap tests, and pkg/workflow GitHub App requirement tests — all pass, working tree clean.

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@copilot Please address the latest maintainer-visible blockers on this PR and then run the pr-finisher skill.

Current maintainer-visible blockers:

  • Ensure any required ADR is linked in the PR body if the gate still expects it.

A branch refresh was attempted by sous-chef as well.

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…trap

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Copilot AI commented Aug 19, 2026

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@copilot Please address the latest maintainer-visible blockers on this PR and then run the pr-finisher skill.

Current maintainer-visible blockers:...

Added and linked the ADR at docs/adr/53766-infer-github-app-permissions-and-events-for-bootstrap.md (commit 6e something — see latest push) covering the inference decision, alternatives, and consequences.

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@copilot Please refresh this PR for maintainer review and then run the pr-finisher skill.

Current maintainer-visible next steps:

  • Please leave one short reviewer-facing handoff on the current head confirming the unified config path for aw.yml and .md workflow handling and summarizing the final validation you re-ran.
  • If any ADR or PR-body follow-up is still required, call that out explicitly in the handoff.
  • A branch refresh was attempted by sous-chef as well.

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Copilot AI commented Aug 19, 2026

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@copilot Please refresh this PR for maintainer review and then run the pr-finisher skill.

Current maintainer-visible next steps:...

Confirmed on current head (04a4442): the unified config path holds — pkg/cli/interactive.go (.md builder) and pkg/cli/bootstrap_profile_inference.go (aw.yml package inference) both delegate to workflow.ComputeGitHubAppManifestPermissions/NormalizeGitHubAppWebhookEvents in pkg/workflow/github_app_requirements.go, no divergent logic. ADR is in place and linked in the PR body: docs/adr/53766-infer-github-app-permissions-and-events-for-bootstrap.md. Re-ran validation: go build ./..., pkg/cli bootstrap/GitHub App tests, and pkg/workflow permission/webhook tests — all pass, working tree clean. No further follow-up required.

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Infer least-privilege setup in add-wizard

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