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Go linters check and fix using AI #5

Go linters check and fix using AI

Go linters check and fix using AI #5

Workflow file for this run

name: Go linters check and fix using AI
on:
workflow_dispatch:
inputs:
FILE:
description: 'File name for check'
required: true
default: 'main.go'
LINES:
description: 'Range of lines for context'
required: false
default: '20'
PR:
description: 'Creat Pull Request'
default: false
type: boolean
jobs:
lint:
name: Linters check and fix using AI
runs-on: ubuntu-latest
permissions:
contents: write
pull-requests: write
models: read
env:
APP_VERSION: 'latest'
RESULTS: ''
ISSUES_COUNT: ''
ISSUE_LINT: ''
ISSUE_TEXT: ''
ISSUE_CODE: ''
ISSUE_LINE: ''
START_LINE: ''
END_LINE: ''
CONTEXT: ''
FIXED: 'false'
steps:
- name: Checkout repository (main branch and 1 last commits)
uses: actions/checkout@v6
with:
fetch-depth: 1
ref: main
- name: Install Go
uses: actions/setup-go@v6
with:
go-version: 1.25
- name: Install dependencies
run: |
go fmt ./...
go vet ./...
go get ./...
go mod tidy
go mod verify
go build -v ./...
- name: Get app version in env
run: |
APP_VERSION=$(go run main.go -v)
echo "APP_VERSION=$APP_VERSION" >> $GITHUB_ENV
- name: Install golangci
run: go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.8.0
- name: Getting linter check results in json format before fixing
run: |
results=$(golangci-lint run --output.json.path stdout --show-stats=false --issues-exit-code 0 ${{ github.event.inputs.file }} 2>/dev/null | jq -c .)
echo "RESULTS=$results" >> $GITHUB_ENV
count=$(echo "$results" | jq ".Issues | length")
echo "ISSUES_COUNT=$count" >> $GITHUB_ENV
- name: Extract context for fix
run: |
lint=$(echo $RESULTS | jq -r .Issues[0].FromLinter)
text=$(echo $RESULTS | jq -r .Issues[0].Text)
code=$(echo $RESULTS | jq -r .Issues[0].SourceLines[0])
line=$(echo $RESULTS | jq -r .Issues[0].Pos.Line)
line=$(echo "$line" | tr -d '\r')
lines_offset=$(echo "${{ github.event.inputs.LINES }}" | tr -d '\r')
start=$((line - lines_offset))
[ $start -le 0 ] && start=1 # Защита от отрицательных строк
end=$((line + lines_offset))
echo "ISSUE_LINT=$lint" >> $GITHUB_ENV
echo "ISSUE_TEXT=$text" >> $GITHUB_ENV
echo "ISSUE_CODE=$code" >> $GITHUB_ENV
echo "ISSUE_LINE=$line" >> $GITHUB_ENV
echo "START_LINE=$start" >> $GITHUB_ENV
echo "END_LINE=$end" >> $GITHUB_ENV
echo "CONTEXT<<EOF" >> $GITHUB_ENV
sed -n "${start},${end}p" "${{ github.event.inputs.FILE }}" >> $GITHUB_ENV
echo "EOF" >> $GITHUB_ENV
- name: Fix issue using AI
id: ai_query
uses: actions/ai-inference@v2
with:
model: gpt-4.1
max-tokens: 2048
system-prompt: |
You are a Go code refactoring expert.
Task: Fix golangci-lint issues in the provided code snippet.
Rules:
1. Output ONLY the fixed code.
2. NO explanations, NO markdown blocks (no ```go).
3. Do not change any logic except what is required by the linter.
4. You must return the FULL provided context, including the fixes.
5. Ensure the code is syntactically complete and doesn't cut off.
prompt: |
Linter: ${{ env.ISSUE_LINT }}
Issue text: ${{ env.ISSUE_TEXT }}
Line of code with an error: ${{ env.ISSUE_CODE }}
Context:
${{ env.CONTEXT }}
- name: Update file
run: |
GO_FILE=${{ github.event.inputs.FILE }}
TMP_FILE=$(echo $(echo "$GO_FILE" | sed "s/.go//")-fix.go)
head -n $((START_LINE - 1)) "$GO_FILE" > "$TMP_FILE"
cat <<'EOF' >> "$TMP_FILE"
${{ steps.ai_query.outputs.response }}
EOF
tail -n +$((END_LINE + 1)) "$GO_FILE" >> "$TMP_FILE"
go fmt "$TMP_FILE"
cat <<EOF >> $GITHUB_STEP_SUMMARY
## Issue ${{ env.ISSUE_LINT }}
${{ env.ISSUE_TEXT }}
\`${{ env.ISSUE_CODE }}\`
## Fix diff
\`\`\`diff
$(diff -u "$GO_FILE" "$TMP_FILE" || true)
\`\`\`
EOF
mv "$TMP_FILE" "$GO_FILE"
- name: Getting linter check results in json format after fixing
run: |
results=$(golangci-lint run --output.json.path stdout --show-stats=false --issues-exit-code 0 ${{ github.event.inputs.file }})
count=$(echo "$results" | jq ".Issues | length")
echo "Issue count before fixing: $ISSUES_COUNT" >> $GITHUB_STEP_SUMMARY
echo "Issue count after fixing: $count" >> $GITHUB_STEP_SUMMARY
if [ "$count" -lt "$ISSUES_COUNT" ]; then
echo "FIXED=true" >> $GITHUB_ENV
fi
- name: Create Pull Request for fix lint
if: ${{ github.event.inputs.PR == 'true' && env.FIXED == 'true' }}
uses: peter-evans/create-pull-request@v8
with:
token: ${{ secrets.GITHUB_TOKEN }}
commit-message: "fix linters using ai"
branch: "fix/${{ env.APP_VERSION }}-lint"
title: "Fixing linters"
body: |
## ${{ env.ISSUE_LINT }}
${{ env.ISSUE_TEXT }}
`${{ env.ISSUE_CODE }}`
add-paths: |
${{ github.event.inputs.file }}