chore: move go-edit-lint extension to global scope

- Remove .kit/extensions/go-edit-lint.go from the repo since the
  extension is now installed under ~/.config/kit/extensions/ for
  per-user use across all projects.
This commit is contained in:
Ed Zynda
2026-05-15 14:18:57 +03:00
parent cf194ff89a
commit 32b6376515
-268
View File
@@ -1,268 +0,0 @@
//go:build ignore
package main
import (
"context"
"encoding/json"
"fmt"
"os/exec"
"path/filepath"
"strings"
"time"
"kit/ext"
)
const (
diagnosticsTimeout = 20 * time.Second
maxOutputBytes = 12_000
)
type toolPathInput struct {
Path string `json:"path"`
}
type lintResult struct {
Output string
Err error
}
// Package-level state: set of .go files edited during the current agent turn.
var editedFiles map[string]bool
func Init(api ext.API) {
api.OnSessionStart(func(_ ext.SessionStartEvent, ctx ext.Context) {
ctx.Print("go-edit-lint extension loaded - will run gopls and golangci-lint after agent turns that edit Go files")
})
// Track edited .go files — don't lint yet.
api.OnToolResult(func(e ext.ToolResultEvent, ctx ext.Context) *ext.ToolResultResult {
if e.IsError || !isEditOrWrite(e.ToolName) {
return nil
}
absPath, ok := resolveGoFilePath(e.Input, ctx.CWD)
if !ok {
return nil
}
if editedFiles == nil {
editedFiles = make(map[string]bool)
}
editedFiles[absPath] = true
return nil
})
// After the agent turn ends, lint all collected files.
api.OnAgentEnd(func(e ext.AgentEndEvent, ctx ext.Context) {
if len(editedFiles) == 0 {
return
}
// Snapshot and reset immediately so the next turn starts clean.
files := editedFiles
editedFiles = nil
// Skip lint on errored turns.
if e.StopReason == "error" {
return
}
// Collect unique directories and file list for gopls.
var allGoplsOutput []string
for absPath := range files {
res := runGopls(ctx.CWD, absPath)
formatted := formatToolResult(res, "")
if formatted != "" {
allGoplsOutput = append(allGoplsOutput, fmt.Sprintf("# %s\n%s", filepath.Base(absPath), formatted))
}
}
lintRes := runGolangCILint(ctx.CWD, "./...")
goplsSection := "No diagnostics."
if len(allGoplsOutput) > 0 {
goplsSection = strings.Join(allGoplsOutput, "\n\n")
}
lintSection := formatToolResult(lintRes, "No lint issues.")
// Build file list for the report header.
var fileNames []string
for absPath := range files {
fileNames = append(fileNames, filepath.Base(absPath))
}
report := fmt.Sprintf(
"<go_diagnostics files=%q>\n[gopls]\n%s\n\n[golangci-lint]\n%s\n</go_diagnostics>",
strings.Join(fileNames, ", "),
goplsSection,
lintSection,
)
goplsIssues, lintIssues := countIssues(report)
hasIssues := goplsIssues > 0 || lintIssues > 0
if hasIssues {
// Show TUI block so the user sees it too.
var msgLines []string
msgLines = append(msgLines, fmt.Sprintf("Files: %s", strings.Join(fileNames, ", ")))
if goplsIssues > 0 {
msgLines = append(msgLines, fmt.Sprintf("gopls: %d issue(s)", goplsIssues))
}
if lintIssues > 0 {
msgLines = append(msgLines, fmt.Sprintf("golangci-lint: %d issue(s)", lintIssues))
}
borderColor := "#f9e2af" // yellow
if goplsIssues > 0 && lintIssues > 0 {
borderColor = "#f38ba8" // red
}
ctx.PrintBlock(ext.PrintBlockOpts{
Text: strings.Join(msgLines, "\n"),
BorderColor: borderColor,
Subtitle: "go-edit-lint",
})
// Inject a follow-up message so the agent fixes the issues.
ctx.SendMessage(report + "\n\n⚠️ DIAGNOSTICS FOUND: Please review and fix the issues above.")
} else {
ctx.PrintBlock(ext.PrintBlockOpts{
Text: fmt.Sprintf("Files: %s\n✓ All clean", strings.Join(fileNames, ", ")),
BorderColor: "#a6e3a1",
Subtitle: "go-edit-lint",
})
}
})
}
func isEditOrWrite(toolName string) bool {
return strings.EqualFold(toolName, "edit") || strings.EqualFold(toolName, "write")
}
func resolveGoFilePath(inputJSON, cwd string) (string, bool) {
var args toolPathInput
if err := json.Unmarshal([]byte(inputJSON), &args); err != nil || args.Path == "" {
return "", false
}
absPath := args.Path
if !filepath.IsAbs(absPath) {
absPath = filepath.Join(cwd, absPath)
}
if strings.ToLower(filepath.Ext(absPath)) != ".go" {
return "", false
}
return absPath, true
}
func runGopls(cwd, absPath string) lintResult {
ctx, cancel := context.WithTimeout(context.Background(), diagnosticsTimeout)
defer cancel()
cmd := exec.CommandContext(ctx, "gopls", "check", absPath)
cmd.Dir = cwd
out, err := cmd.CombinedOutput()
if ctx.Err() == context.DeadlineExceeded {
return lintResult{Err: fmt.Errorf("timed out after %s", diagnosticsTimeout)}
}
if err != nil {
return lintResult{Output: truncate(string(out), maxOutputBytes), Err: fmt.Errorf("failed to run gopls check: %w", err)}
}
return lintResult{Output: truncate(string(out), maxOutputBytes)}
}
func runGolangCILint(cwd, target string) lintResult {
ctx, cancel := context.WithTimeout(context.Background(), diagnosticsTimeout)
defer cancel()
args := []string{
"run",
target,
"--show-stats=false",
"--output.text.path", "stdout",
"--output.text.colors=false",
"--output.text.print-issued-lines=false",
}
cmd := exec.CommandContext(ctx, "golangci-lint", args...)
cmd.Dir = cwd
out, err := cmd.CombinedOutput()
if ctx.Err() == context.DeadlineExceeded {
return lintResult{Err: fmt.Errorf("timed out after %s", diagnosticsTimeout)}
}
trimmed := truncate(string(out), maxOutputBytes)
if err == nil {
return lintResult{Output: trimmed}
}
exitErr, ok := err.(*exec.ExitError)
if ok && exitErr.ExitCode() == 1 {
return lintResult{Output: trimmed}
}
return lintResult{Output: trimmed, Err: fmt.Errorf("failed to run golangci-lint: %w", err)}
}
func formatToolResult(res lintResult, emptyFallback string) string {
var lines []string
if res.Err != nil {
lines = append(lines, "ERROR: "+res.Err.Error())
}
out := strings.TrimSpace(res.Output)
if out == "" {
if res.Err == nil {
if emptyFallback != "" {
lines = append(lines, emptyFallback)
}
}
} else {
lines = append(lines, out)
}
if len(lines) == 0 {
return emptyFallback
}
return strings.Join(lines, "\n")
}
func truncate(s string, max int) string {
if len(s) <= max {
return s
}
return s[:max] + "\n... output truncated ..."
}
func countIssues(report string) (goplsCount, lintCount int) {
goplsStart := strings.Index(report, "[gopls]")
lintStart := strings.Index(report, "[golangci-lint]")
endTag := strings.Index(report, "</go_diagnostics>")
if goplsStart != -1 && lintStart != -1 {
goplsSection := report[goplsStart:lintStart]
for _, line := range strings.Split(goplsSection, "\n") {
line = strings.TrimSpace(line)
if line != "" && line != "[gopls]" && line != "No diagnostics." && !strings.HasPrefix(line, "#") {
goplsCount++
}
}
}
if lintStart != -1 && endTag != -1 {
lintSection := report[lintStart:endTag]
for _, line := range strings.Split(lintSection, "\n") {
line = strings.TrimSpace(line)
if line != "" && line != "[golangci-lint]" && line != "No lint issues." {
lintCount++
}
}
}
return goplsCount, lintCount
}