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Merge pull request #401 from walnuts1018/master
Add Windows Hardlink & Symbolic Link Support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| //go:build windows | ||
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| package main | ||
|
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||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "testing" | ||
|
|
||
| "golang.org/x/text/encoding/japanese" | ||
| "golang.org/x/text/transform" | ||
| ) | ||
|
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| type testEvalSymlinksMode int | ||
|
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| const ( | ||
| testEvalSymlinksNotLink testEvalSymlinksMode = iota | ||
| testEvalSymlinksSymbolicLink | ||
| testEvalSymlinksJunction | ||
| ) | ||
|
|
||
| func Test_evalSymlinks(t *testing.T) { | ||
| type args struct { | ||
| path string | ||
| } | ||
| tests := []struct { | ||
| name string | ||
| mode testEvalSymlinksMode | ||
| linkBasePath string | ||
| args args | ||
| want string | ||
| wantErr bool | ||
| }{ | ||
| { | ||
| name: "not link", | ||
| mode: testEvalSymlinksNotLink, | ||
| args: args{ | ||
| path: filepath.Join(os.TempDir(), "not_link"), | ||
| }, | ||
| want: filepath.Join(os.TempDir(), "not_link"), | ||
| wantErr: false, | ||
| }, | ||
| { | ||
| name: "symbolic link", | ||
| mode: testEvalSymlinksSymbolicLink, | ||
| linkBasePath: filepath.Join(os.TempDir(), "link_base"), | ||
| args: args{ | ||
| path: filepath.Join(os.TempDir(), "symbolic_link"), | ||
| }, | ||
| want: filepath.Join(os.TempDir(), "link_base"), | ||
| wantErr: false, | ||
| }, | ||
| { | ||
| name: "junction", | ||
| mode: testEvalSymlinksJunction, | ||
| linkBasePath: filepath.Join(os.TempDir(), "link_base"), | ||
| args: args{ | ||
| path: filepath.Join(os.TempDir(), "junction"), | ||
| }, | ||
| want: filepath.Join(os.TempDir(), "link_base"), | ||
| wantErr: false, | ||
| }, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| if err := createLink(tt.linkBasePath, tt.args.path, tt.mode); err != nil { | ||
| t.Errorf("failed to create link: %v", err) | ||
| return | ||
| } | ||
|
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| got, err := evalSymlinks(tt.args.path) | ||
| if (err != nil) != tt.wantErr { | ||
| t.Errorf("evalSymlinks() error = %v, wantErr %v", err, tt.wantErr) | ||
| return | ||
| } | ||
| if got != tt.want { | ||
| t.Errorf("evalSymlinks() = %v, want %v", got, tt.want) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
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| func createLink(linkBasePath, path string, mode testEvalSymlinksMode) error { | ||
| if err := os.RemoveAll(path); err != nil { | ||
| return err | ||
| } | ||
|
|
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| if mode == testEvalSymlinksNotLink { | ||
| return os.MkdirAll(path, 0755) | ||
| } | ||
|
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| if err := os.MkdirAll(linkBasePath, 0755); err != nil { | ||
| return err | ||
| } | ||
|
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| switch mode { | ||
| case testEvalSymlinksSymbolicLink: | ||
| return os.Symlink(linkBasePath, path) | ||
| case testEvalSymlinksJunction: | ||
| output, err := exec.Command("cmd", "/c", "mklink", "/J", path, linkBasePath).CombinedOutput() | ||
| if err != nil { | ||
| output, err := io.ReadAll(transform.NewReader(bytes.NewBuffer(output), japanese.ShiftJIS.NewDecoder())) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to transform output: %w", err) | ||
| } | ||
| return fmt.Errorf("failed to create junction: %s, %w", string(output), err) | ||
| } | ||
| return nil | ||
| } | ||
| return nil | ||
| } |
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