// scanPackageDir finds a set of regular files (and symlinks) in a package
// instance directory and returns them as FileInfo structs (with slash-separated
// paths relative to dir directory). Skips package service directories (.cipdpkg
// and .cipd) since they contain package deployer gut files, not something that
// needs to be deployed.
func scanPackageDir(dir string, l logging.Logger) ([]FileInfo, error) {
out := []FileInfo{}
err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
rel, err := filepath.Rel(dir, path)
if err != nil {
return err
}
if rel == packageServiceDir || rel == siteServiceDir {
return filepath.SkipDir
}
if info.Mode().IsRegular() || info.Mode()&os.ModeSymlink != 0 {
symlink := ""
ok := true
if info.Mode()&os.ModeSymlink != 0 {
symlink, err = os.Readlink(path)
if err != nil {
l.Warningf("Can't readlink %q, skipping: %s", path, err)
ok = false
}
}
if ok {
out = append(out, FileInfo{
Name: filepath.ToSlash(rel),
Size: uint64(info.Size()),
Executable: (info.Mode().Perm() & 0111) != 0,
Symlink: symlink,
})
}
}
return nil
})
return out, err
}
