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ci: fix 'Argument list too long' in release-on-main workflow #171

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Merged
benvinegar merged 2 commits into from
Feb 24, 2026
+11 −9
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ci: fix 'Argument list too long' in release-on-main workflow #171

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ci: fix 'Argument list too long' in release-on-main workflow
benvinegar Feb 24, 2026
233fae2
ci: add recency bounds to PR gathering in release workflow
benvinegar Feb 24, 2026
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20 changes: 11 additions & 9 deletions .github/workflows/release-on-main.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,8 @@ jobs:
REPO="${OWNER_REPO#*/}"

if [ "$LAST_TAG" = "v0.0.0" ]; then
START_DATE="1970-01-01T00:00:00Z"
# No prior release — look back 30 days instead of all time
START_DATE=$(date -u -d '30 days ago' '+%Y-%m-%dT%H:%M:%SZ')
else
START_DATE=$(git log -1 --format=%cI "$LAST_TAG")
fi
Expand All @@ -78,20 +79,22 @@ jobs:

if [ "$COUNT" -eq 0 ]; then
echo "has_changes=false" >> "$GITHUB_OUTPUT"
echo "pr_context=[]" >> "$GITHUB_OUTPUT"
echo '[]' > /tmp/pr_context.json
exit 0
fi

jq '[.[] | {number, title, body, labels: [.labels[].name], user: .user.login, merged_at, html_url}]' /tmp/merged_prs.json > /tmp/pr_context.json
jq '[.[] | {number, title, body: (.body // "" | .[:200]), labels: [.labels[].name], user: .user.login, merged_at, html_url}]' /tmp/merged_prs.json > /tmp/pr_context.json

# Cap at 50 most recent PRs for the Claude prompt to keep payload reasonable
jq '[ sort_by(.merged_at) | reverse | .[:50] | reverse | .[] ]' /tmp/pr_context.json > /tmp/pr_context_capped.json

echo "has_changes=true" >> "$GITHUB_OUTPUT"
echo "pr_context=$(jq -c . /tmp/pr_context.json)" >> "$GITHUB_OUTPUT"

- name: Decide release bump with Claude Sonnet
id: decide
if: steps.prs.outputs.has_changes == 'true'
env:
ANTHROPIC_API_KEY: ${{ secrets.CI_ANTHROPIC_KEY }}
PR_CONTEXT: ${{ steps.prs.outputs.pr_context }}
LAST_TAG: ${{ steps.last_tag.outputs.last_tag }}
run: |
set -euo pipefail
Expand Down Expand Up @@ -123,14 +126,14 @@ jobs:
--arg system "You are precise and must output strict JSON only." \
--arg prompt "$PROMPT" \
--arg last_tag "$LAST_TAG" \
--argjson prs "$PR_CONTEXT" \
--slurpfile prs /tmp/pr_context_capped.json \
'{
model: $model,
max_tokens: 700,
temperature: 0,
system: $system,
messages: [
{role: "user", content: ($prompt + "\n\nLast release tag: " + $last_tag + "\n\nPRs:\n" + ($prs|tojson))}
{role: "user", content: ($prompt + "\n\nLast release tag: " + $last_tag + "\n\nPRs:\n" + ($prs[0]|tojson))}
]
}' > /tmp/anthropic-payload.json

Expand Down Expand Up @@ -227,7 +230,6 @@ jobs:
id: changelog
if: steps.bump.outputs.tag != ''
env:
PR_CONTEXT: ${{ steps.prs.outputs.pr_context }}
TAG: ${{ steps.bump.outputs.tag }}
DECISION: ${{ steps.decide.outputs.decision }}
REASON: ${{ steps.decide.outputs.reason }}
Expand All @@ -241,7 +243,7 @@ jobs:
echo "Reason: ${REASON}"
echo
echo "### Merged PRs"
jq -r '.[] | "- #\(.number) \(.title) (@\(.user)) — \(.html_url)"' <<< "$PR_CONTEXT"
jq -r '.[] | "- #\(.number) \(.title) (@\(.user)) — \(.html_url)"' /tmp/pr_context.json
} > /tmp/release-notes.md
echo "notes_path=/tmp/release-notes.md" >> "$GITHUB_OUTPUT"

Expand Down