func (r *Rule) install(fi *FileInfo, dryrun bool) (bool, error) {
changed := false
opt := install.InstallOption{
Owner: fi.Owner,
Group: fi.Group,
Mode: &fi.Mode,
}
if fi.IsDir {
differ, err := HasDirDiff(fi.Path, fi.Owner, fi.Group, fi.Mode)
if err != nil {
return changed, fmt.Errorf("error at dir diff: %s", err)
}
if differ {
fmt.Println(fi.String())
changed = true
}
if !dryrun && differ {
if err := install.InstallDir(fi.Path, &opt); err != nil {
return changed, fmt.Errorf("error at directory installation: %s", err)
}
}
} else {
differ, err := HasFileDiff(fi.SrcPath, fi.Path)
if err != nil {
if !os.IsNotExist(err) {
return changed, fmt.Errorf("error at file diff: %s", err)
}
differ = true
}
if differ {
fmt.Println(fi.String())
changed = true
}
if !dryrun && differ {
if err := install.InstallFile(fi.SrcPath, fi.Path, &opt); err != nil {
return changed, fmt.Errorf("error at file installation: %s", err)
}
}
}
return changed, nil
}
func main() {
kingpin.Parse()
opt := &install.InstallOption{}
if *owner != "" {
opt.Owner = *owner
}
if *group != "" {
opt.Group = *group
}
if *mode != "" {
m, err := strconv.ParseInt(*mode, 8, 32)
if err != nil {
fmt.Printf("invalid mode: %s", err)
os.Exit(-1)
}
mode := os.FileMode(m)
opt.Mode = &mode
}
args := *_args
if *dir {
for _, name := range args {
install.InstallDir(name, opt)
}
return
}
sources := args[:len(args)-1]
dst := args[len(args)-1]
if len(sources) > 1 {
if err := checkDst(dst); err != nil {
fmt.Println(err.Error())
os.Exit(-1)
}
}
installFile(sources, dst, opt)
}