Auto-add 'Fixes #N' closing keyword to PR body when triggered from issue#12823
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pelikhan merged 1 commit intogithub:mainfrom Jan 30, 2026
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When a workflow is triggered by an issue (e.g., Copilot SWE agent assigned to fix an issue), the created PR should include a GitHub closing keyword so the issue auto-closes on merge. Agents are instructed to include "Fixes #N" in PR descriptions, but they don't reliably follow this instruction. This change adds automatic injection of the closing keyword when: 1. The workflow was triggered from an issue context 2. The PR body doesn't already contain a closing keyword (fix/close/resolve) Uses the same `triggeringIssueNumber` pattern already established in `create_issue.cjs` and `create_pr_review_comment.cjs`. Fixes github#12822 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> Signed-off-by: Andrew Anderson <andy@clubanderson.com>
pelikhan
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Jan 30, 2026
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Summary
When the Copilot SWE agent (or any AI agent) is assigned to an issue and creates a PR via the
create_pull_requestsafe output, the PR body typically doesn't include GitHub closing keywords (Fixes #N,Closes #N,Resolves #N). This means the original issue does not auto-close when the PR is merged.This PR auto-injects
Fixes #<issue_number>into the PR body when:context.payload.issue.numberexists)Changes
triggeringIssueNumberfrom context increate_pull_request.cjs(same pattern ascreate_issue.cjsline 241 andcreate_pr_review_comment.cjsline 43)removeDuplicateTitleFromDescription, check for existing closing keywords via regexFixes #Nto the PR body before footer generationWhy
Agents are instructed to include "Fixes #ISSUE_NUMBER" in PR descriptions but don't reliably follow it. Tested across 10+ Copilot PRs in kubestellar/console — none included closing keywords despite the instruction appearing in:
.github/copilot-instructions.mdThis is a common pain point — repos using Copilot for automated issue fixing accumulate open issues even after fix PRs are merged.
Test plan
Fixes #Nappears in the created PR bodyFixes #N→ verify no duplicate is addedpush) → verify noFixesline is addedFixes #12822
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