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update klone destination in-place using rsync
Signed-off-by: Tim Ramlot <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| package sync | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
|
|
||
| "github.com/cert-manager/klone/pkg/cache" | ||
| "github.com/cert-manager/klone/pkg/download/git" | ||
| "github.com/cert-manager/klone/pkg/mod" | ||
| ) | ||
|
|
||
| func SyncFolder(workDirPath string, forceUpgrade bool) error { | ||
| wrkDir := mod.WorkDir(workDirPath) | ||
| if err := wrkDir.FetchTargets( | ||
| func(_ string, _ string, src *mod.KloneSource) error { | ||
| src.RepoPath = filepath.Join(".", filepath.Clean(filepath.Join("/", src.RepoPath))) | ||
|
|
||
| if src.RepoHash == "" || forceUpgrade { | ||
| hash, err := git.GetHash(src.RepoURL, src.RepoRef) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| src.RepoHash = hash | ||
| } | ||
|
|
||
| return nil | ||
| }, | ||
| func(target string, srcs mod.KloneFolder) error { | ||
| folders := newTreeNode() | ||
| for _, src := range srcs { | ||
| folders.Add(filepath.SplitList(src.FolderName)...) | ||
| } | ||
|
|
||
| if err := os.MkdirAll(filepath.Join(workDirPath, target), 0755); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // 1) Remove all folders that are not defined in srcs | ||
| if err := folders.Cleanup(filepath.Join(workDirPath, target)); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // 2) Sync all folders with cached files | ||
| for _, src := range srcs { | ||
| if err := cache.CloneWithCache(filepath.Join(workDirPath, target, src.FolderName), src.KloneSource, git.Get); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| }, | ||
| ); err != nil { | ||
| return fmt.Errorf("failed to fetch targets: %w", err) | ||
| } | ||
|
|
||
| if err := cache.CleanupOldCacheItems(); err != nil { | ||
| return fmt.Errorf("failed to cleanup old cache items: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
|
|
||
| } | ||
|
|
||
| type treeNode struct { | ||
| isLeaf bool | ||
| children map[string]*treeNode | ||
| } | ||
|
|
||
| func newTreeNode() *treeNode { | ||
| return &treeNode{ | ||
| isLeaf: false, | ||
| children: make(map[string]*treeNode), | ||
| } | ||
| } | ||
|
|
||
| func (tn *treeNode) Add(pathSegments ...string) { | ||
| if len(pathSegments) == 0 { | ||
| tn.isLeaf = true | ||
| return | ||
| } | ||
|
|
||
| if _, ok := tn.children[pathSegments[0]]; !ok { | ||
| tn.children[pathSegments[0]] = newTreeNode() | ||
| } | ||
|
|
||
| tn.children[pathSegments[0]].Add(pathSegments[1:]...) | ||
| } | ||
|
|
||
| func (tn treeNode) Cleanup(root string) error { | ||
| if tn.isLeaf { | ||
| return nil | ||
| } | ||
|
|
||
| entries, err := os.ReadDir(root) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| for _, entry := range entries { | ||
| entryName := entry.Name() | ||
| if _, ok := tn.children[entryName]; ok { | ||
| continue | ||
| } | ||
|
|
||
| if err := os.RemoveAll(filepath.Join(root, entryName)); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| for name, node := range tn.children { | ||
| if err := node.Cleanup(filepath.Join(root, name)); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |