# Parse target config section-aware in --check

`bb75083`→[main](/content/gh/entireio/git-sync/commits/main/index.html)·

nodo·1mo ago·1 file·+15 added/-5

The previous substring check would pass on a commented
`# objectformat = sha256` line or an `oldobjectformat = sha256`
key in another section. Use go-git's config decoder to look up
`extensions.objectformat` properly.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

## Sessions

Transcript data is unavailable for this checkpoint.

## Changes

1

- cmd/git-sync/internal/sha256convert

- Msha256convert.go+15/-5

```
467 unmodified lines

func runChecks(ctx context.Context, targetDir string, repo *git.Repository, refsExpected int) []Check {
	checks := []Check{}

// 1. Config: extensions.objectformat = sha256.
	cfgBytes, err := os.ReadFile(filepath.Join(targetDir, "config"))
	// 1. Config: extensions.objectformat = sha256. Parse the file
	// section-aware so we don't false-positive on a commented line or
	// a similarly-named key in another section.
	cfgFile, err := os.Open(filepath.Join(targetDir, "config"))
switch {
	case err != nil:
		checks = append(checks, Check{Name: "config", OK: false, Detail: err.Error()})
	case !bytes.Contains(cfgBytes, []byte("objectformat = sha256")):
		checks = append(checks, Check{Name: "config", OK: false, Detail: "extensions.objectformat = sha256 not set"})
	default:
		checks = append(checks, Check{Name: "config", OK: true, Detail: "extensions.objectformat = sha256"})
		cfg := formatcfg.New()
		decodeErr := formatcfg.NewDecoder(cfgFile).Decode(cfg)
		_ = cfgFile.Close()
switch {
	case decodeErr != nil:
		checks = append(checks, Check{Name: "config", OK: false, Detail: fmt.Sprintf("parse config: %v", decodeErr)})
	case !strings.EqualFold(cfg.Section("extensions").Option("objectformat"), "sha256"):
		checks = append(checks, Check{Name: "config", OK: false, Detail: "extensions.objectformat = sha256 not set"})
	default:
		checks = append(checks, Check{Name: "config", OK: true, Detail: "extensions.objectformat = sha256"})
	}
}

// 2. HEAD resolves to an existing object.
```

Mcmd/git-sync/internal/sha256convert/sha256convert.go+15/-5