// getGeneratedFiles returns a list of all automatically generated files in the repo. These include
// docs, deep_copy, and conversions
//
// It would be 'better' to call this for every commit but that takes
// a whole lot of time for almost always the same information, and if
// our results are slightly wrong, who cares? Instead look for the
// generated files once and if someone changed what files are generated
// we'll size slightly wrong. No biggie.
func (s *SizeMunger) getGeneratedFiles(config *github_util.Config) {
if s.genFiles != nil {
return
}
files := sets.NewString()
prefixes := []string{}
s.genFiles = &files
s.genPrefixes = &prefixes
file := s.generatedFilesFile
if len(file) == 0 {
glog.Infof("No --generated-files-config= supplied, applying no labels")
return
}
fp, err := os.Open(file)
if err != nil {
glog.Errorf("Unable to open %q: %v", file, err)
return
}
defer fp.Close()
scanner := bufio.NewScanner(fp)
for scanner.Scan() {
line := scanner.Text()
if strings.HasPrefix(line, "#") || line == "" {
continue
}
fields := strings.Fields(line)
if len(fields) != 2 {
glog.Errorf("Invalid line in generated docs config %s: %q", file, line)
continue
}
eType := fields[0]
file := fields[1]
if eType == "prefix" {
prefixes = append(prefixes, file)
} else if eType == "path" {
files.Insert(file)
} else if eType == "paths-from-repo" {
docs, err := config.GetFileContents(file, "")
if err != nil {
continue
}
docSlice := strings.Split(docs, "\n")
files.Insert(docSlice...)
} else {
glog.Errorf("Invalid line in generated docs config, unknown type: %s, %q", eType, line)
continue
}
}
if scanner.Err() != nil {
glog.Errorf("Error scanning %s: %v", file, err)
return
}
s.genFiles = &files
s.genPrefixes = &prefixes
return
}