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Evergreen: skip agent and conclusion when no PR needs attention #161

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Merged
mrjf merged 2 commits into from
Apr 21, 2026
Merged

Evergreen: skip agent and conclusion when no PR needs attention #161

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f57b8b8
Initial plan
Copilot Apr 21, 2026
be20f78
Evergreen: skip agent and conclusion jobs when no PR needs attention
Copilot Apr 21, 2026
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7 changes: 5 additions & 2 deletions .github/workflows/evergreen.lock.yml
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12 changes: 12 additions & 0 deletions .github/workflows/evergreen.md
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,7 @@ imports:

steps:
- name: Find a PR that needs attention
id: find-pr
env:
GITHUB_TOKEN: ${{ github.token }}
GITHUB_REPOSITORY: ${{ github.repository }}
Expand All @@ -57,6 +58,14 @@ steps:
import os, json, re, subprocess, sys
import urllib.request, urllib.error

def emit_selected_output(pr_number):
"""Expose `selected` as a step output for workflow gating.
Empty string means no PR needs attention; otherwise the PR number."""
gh_output = os.environ.get("GITHUB_OUTPUT")
if gh_output:
with open(gh_output, "a") as f:
f.write(f"selected={'' if pr_number is None else pr_number}\n")

token = os.environ.get("GITHUB_TOKEN", "")
repo = os.environ.get("GITHUB_REPOSITORY", "")
forced_pr = os.environ.get("FORCED_PR", "").strip()
Expand Down Expand Up @@ -182,6 +191,7 @@ steps:
print("No open PRs. Nothing to do.")
with open(output_file, "w") as f:
json.dump({"selected": None, "reason": "no_open_prs"}, f)
emit_selected_output(None)
sys.exit(0)

# Evaluate each PR deterministically (sorted by PR number ascending)
Expand Down Expand Up @@ -256,8 +266,10 @@ steps:
print(f"\n>>> Selected PR #{selected['pr_number']}: {selected['title']}")
print(f" Issues: {selected['issues']}")
print(f" Attempt: {selected['attempts'] + 1}/{MAX_ATTEMPTS}")
emit_selected_output(selected["pr_number"])
else:
print("\nNo PRs need attention. Nothing to do.")
emit_selected_output(None)
sys.exit(0)
PYEOF

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