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feat: dry run for install, update, clean (#9) 

* feat: implement dry run for config install, update

* chore: better wording

* feat: dry run for clean unused dirs

Co-authored-by: Tran Hau <ngtranhau@gmail.com>
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sudo pacman -Syu 2021-04-22 17:54:17 +07:00 committed by GitHub
parent d655736596
commit cd085a4b54
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 58 additions and 26 deletions
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23
pkg/config/config_demo.go
View File

@ -1,5 +1,7 @@
package config
import "fmt"
type configDemo struct {
configApps
}
@ -7,13 +9,34 @@ type configDemo struct {
var _ Config = (*configDemo)(nil)
func (cd *configDemo) Install() error {
for _, app := range cd.Apps {
for _, p := range app.Paths {
fmt.Printf("Replace %s -> %s\n", p.Internal, p.External)
}
}
return nil
}
func (cd *configDemo) Update() error {
for _, app := range cd.Apps {
for _, p := range app.Paths {
fmt.Printf("Replace %s -> %s\n", p.External, p.Internal)
}
}
return nil
}
func (cd *configDemo) Clean() error {
unusedDirs, err := getUnusedDirs(cd.Apps)
if err != nil {
return err
}
for dir := range unusedDirs {
fmt.Printf("Remove %s\n", dir)
}
return nil
}

61
pkg/config/config_real.go
View File

@ -63,12 +63,12 @@ func LoadConfig(path string) (*config, *configDemo, error) {
return &cfg, &cfgDemo, nil
}
// Install replace src internal dst external
// Install internal -> external
func (c *config) Install() error {
for _, app := range c.Apps {
for _, path := range app.Paths {
if err := copy.Replace(path.Internal, path.External); err != nil {
return fmt.Errorf("failed to replace src %s dst %s: %w", path.Internal, path.External, err)
for _, p := range app.Paths {
if err := copy.Replace(p.Internal, p.External); err != nil {
return fmt.Errorf("failed to replace %s -> %s: %w", p.Internal, p.External, err)
}
}
}
@ -76,12 +76,12 @@ func (c *config) Install() error {
return nil
}
// Update replace src external dst internal
// Update external -> internal
func (c *config) Update() error {
for _, app := range c.Apps {
for _, path := range app.Paths {
if err := copy.Replace(path.External, path.Internal); err != nil {
return fmt.Errorf("failed to replace src %s dst %s: %w", path.External, path.Internal, err)
for _, p := range app.Paths {
if err := copy.Replace(p.External, p.Internal); err != nil {
return fmt.Errorf("failed to replace %s -> %s: %w", p.External, p.Internal, err)
}
}
}
@ -91,25 +91,9 @@ func (c *config) Update() error {
// Clean remove unused config inside config dir
func (c *config) Clean() error {
files, err := os.ReadDir(configDirPath)
unusedDirs, err := getUnusedDirs(c.Apps)
if err != nil {
return fmt.Errorf("failed to read dir %s: %w", configDirPath, err)
}
// Get all dirs inside config dir
unusedDirs := make(map[string]struct{})
for _, file := range files {
// Ignore config file
if file.Name() == configFile {
continue
}
unusedDirs[file.Name()] = struct{}{}
}
// Removed used dirs
for name := range c.Apps {
delete(unusedDirs, name)
return err
}
// Delete ununsed dirs to save some space
@ -126,3 +110,28 @@ func (c *config) Clean() error {
func getConfigPath(path string) string {
return filepath.Join(path, configDirPath, configFile)
}
func getUnusedDirs(apps map[string]App) (map[string]struct{}, error) {
files, err := os.ReadDir(configDirPath)
if err != nil {
return nil, fmt.Errorf("failed to read dir %s: %w", configDirPath, err)
}
// Get all dirs inside config dir
unusedDirs := make(map[string]struct{})
for _, file := range files {
// Ignore config file
if file.Name() == configFile {
continue
}
unusedDirs[file.Name()] = struct{}{}
}
// Removed used dirs
for name := range apps {
delete(unusedDirs, name)
}
return unusedDirs, nil
}