Tool: Polish Pass 1

In sow-tools, extract now behaves like a real sync by default: it
overwrites changed extracted files, removes stale extracted files that
no longer exist in the built archives, and normalizes extracted resource
filenames to lowercase. I also made validation warn on uppercase
resource filenames so mixed-case names like I_ELVENCHAIN are surfaced
instead of quietly lingering. The extract command output now includes
overwritten and removed counts too.
This commit is contained in:
2026-04-02 20:04:41 +02:00
parent 97465e451e
commit 77b21081d7
6 changed files with 340 additions and 36 deletions
+100 -21
View File
@@ -16,10 +16,12 @@ import (
)
type ExtractResult struct {
ModulePath string
HAKPaths []string
Written int
Skipped int
ModulePath string
HAKPaths []string
Written int
Overwritten int
Removed int
Skipped int
}
func Extract(p *project.Project) (ExtractResult, error) {
@@ -38,9 +40,11 @@ func Extract(p *project.Project) (ExtractResult, error) {
var result ExtractResult
result.ModulePath = modulePath
var failures []error
desired := map[string]struct{}{}
written, skipped, errs := extractArchiveResources(p, archive)
written, overwritten, skipped, errs := extractArchiveResources(p, archive, desired)
result.Written += written
result.Overwritten += overwritten
result.Skipped += skipped
failures = append(failures, errs...)
@@ -63,21 +67,27 @@ func Extract(p *project.Project) (ExtractResult, error) {
}
result.HAKPaths = append(result.HAKPaths, hakPath)
written, skipped, errs := extractArchiveResources(p, hakArchive)
written, overwritten, skipped, errs := extractArchiveResources(p, hakArchive, desired)
result.Written += written
result.Overwritten += overwritten
result.Skipped += skipped
failures = append(failures, errs...)
}
removed, errs := cleanupStaleFiles(p, desired)
result.Removed = removed
failures = append(failures, errs...)
if len(failures) > 0 {
return result, errors.Join(failures...)
}
return result, nil
}
func extractArchiveResources(p *project.Project, archive erf.Archive) (int, int, []error) {
func extractArchiveResources(p *project.Project, archive erf.Archive, desired map[string]struct{}) (int, int, int, []error) {
var failures []error
writtenCount := 0
overwrittenCount := 0
skippedCount := 0
for _, resource := range archive.Resources {
@@ -86,20 +96,24 @@ func extractArchiveResources(p *project.Project, archive erf.Archive) (int, int,
failures = append(failures, err)
continue
}
desired[target] = struct{}{}
written, err := writeSafely(target, data)
state, err := writeManagedFile(target, data)
if err != nil {
failures = append(failures, err)
continue
}
if written {
switch state {
case writeNew:
writtenCount++
} else {
case writeOverwritten:
overwrittenCount++
case writeSkipped:
skippedCount++
}
}
return writtenCount, skippedCount, failures
return writtenCount, overwrittenCount, skippedCount, failures
}
func extractedFile(p *project.Project, resource erf.Resource) (string, []byte, error) {
@@ -107,10 +121,11 @@ func extractedFile(p *project.Project, resource erf.Resource) (string, []byte, e
if !ok {
return "", nil, fmt.Errorf("unsupported resource type 0x%04X for %s", resource.Type, resource.Name)
}
resref := strings.ToLower(resource.Name)
switch extension {
case "nss":
return filepath.Join(p.SourceDir(), "scripts", resource.Name+".nss"), resource.Data, nil
return filepath.Join(p.SourceDir(), "scripts", resref+".nss"), resource.Data, nil
case "utc", "utd", "ute", "uti", "utm", "utp", "uts", "utt", "utw",
"are", "dlg", "fac", "gic", "git", "ifo", "itp", "jrl":
document, err := gff.Read(bytes.NewReader(resource.Data))
@@ -122,32 +137,96 @@ func extractedFile(p *project.Project, resource erf.Resource) (string, []byte, e
return "", nil, fmt.Errorf("marshal json %s.%s: %w", resource.Name, extension, err)
}
formatted = append(formatted, '\n')
return filepath.Join(p.SourceDir(), sourceSubdir(extension), resource.Name+"."+extension+".json"), formatted, nil
return filepath.Join(p.SourceDir(), sourceSubdir(extension), resref+"."+extension+".json"), formatted, nil
default:
return filepath.Join(p.AssetsDir(), extension, resource.Name+"."+extension), resource.Data, nil
return filepath.Join(p.AssetsDir(), extension, resref+"."+extension), resource.Data, nil
}
}
func writeSafely(path string, data []byte) (bool, error) {
type writeState int
const (
writeSkipped writeState = iota
writeNew
writeOverwritten
)
func writeManagedFile(path string, data []byte) (writeState, error) {
if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
return false, fmt.Errorf("create parent directory for %s: %w", path, err)
return writeSkipped, fmt.Errorf("create parent directory for %s: %w", path, err)
}
existing, err := os.ReadFile(path)
if err == nil {
if bytes.Equal(existing, data) {
return false, nil
return writeSkipped, nil
}
return false, fmt.Errorf("refusing to overwrite existing file with different contents: %s", path)
if err := os.WriteFile(path, data, 0o644); err != nil {
return writeSkipped, fmt.Errorf("overwrite %s: %w", path, err)
}
return writeOverwritten, nil
}
if !errors.Is(err, os.ErrNotExist) {
return false, fmt.Errorf("check existing file %s: %w", path, err)
return writeSkipped, fmt.Errorf("check existing file %s: %w", path, err)
}
if err := os.WriteFile(path, data, 0o644); err != nil {
return false, fmt.Errorf("write %s: %w", path, err)
return writeSkipped, fmt.Errorf("write %s: %w", path, err)
}
return writeNew, nil
}
func cleanupStaleFiles(p *project.Project, desired map[string]struct{}) (int, []error) {
candidates := make([]string, 0, len(p.Inventory.SourceFiles)+len(p.Inventory.ScriptFiles)+len(p.Inventory.AssetFiles))
for _, rel := range p.Inventory.SourceFiles {
candidates = append(candidates, filepath.Join(p.SourceDir(), filepath.FromSlash(rel)))
}
for _, rel := range p.Inventory.ScriptFiles {
candidates = append(candidates, filepath.Join(p.SourceDir(), filepath.FromSlash(rel)))
}
for _, rel := range p.Inventory.AssetFiles {
candidates = append(candidates, filepath.Join(p.AssetsDir(), filepath.FromSlash(rel)))
}
removed := 0
var failures []error
for _, path := range candidates {
if _, keep := desired[path]; keep {
continue
}
if err := os.Remove(path); err != nil {
if errors.Is(err, os.ErrNotExist) {
continue
}
failures = append(failures, fmt.Errorf("remove stale file %s: %w", path, err))
continue
}
removed++
cleanupEmptyParents(filepath.Dir(path), p.SourceDir(), p.AssetsDir())
}
return removed, failures
}
func cleanupEmptyParents(dir string, roots ...string) {
for {
if dir == "." || dir == string(filepath.Separator) {
return
}
stop := false
for _, root := range roots {
if dir == root {
stop = true
break
}
}
if stop {
return
}
if err := os.Remove(dir); err != nil {
return
}
dir = filepath.Dir(dir)
}
return true, nil
}
func sourceSubdir(extension string) string {