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Merge pull request #1076 from rsteube/spec-completion
added spec completion
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "github.com/rsteube/carapace-spec" | ||
| "github.com/spf13/cobra" | ||
| "gopkg.in/yaml.v3" | ||
| "io" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| ) | ||
|
|
||
| func loadSpec(path string) (string, *cobra.Command, error) { | ||
| abs, err := filepath.Abs(path) | ||
| if err != nil { | ||
| return "", nil, err | ||
| } | ||
|
|
||
| content, err := os.ReadFile(abs) | ||
| if err != nil { | ||
| return "", nil, err | ||
| } | ||
|
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||
| var specCmd spec.Command | ||
| if err := yaml.Unmarshal(content, &specCmd); err != nil { | ||
| return "", nil, err | ||
| } | ||
| return abs, specCmd.ToCobra(), nil | ||
| } | ||
|
|
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| func specCompletion(path string, args ...string) { | ||
| old := os.Stdout | ||
| r, w, _ := os.Pipe() | ||
| os.Stdout = w | ||
|
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| outC := make(chan string) | ||
| // copy the output in a separate goroutine so printing can't block indefinitely | ||
| go func() { | ||
| var buf bytes.Buffer | ||
| io.Copy(&buf, r) | ||
| outC <- buf.String() | ||
| }() | ||
|
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||
| abs, cmd, err := loadSpec(path) | ||
| if err != nil { | ||
| return /// TODO handle error | ||
| } | ||
|
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||
| a := []string{"_carapace"} | ||
| a = append(a, args...) | ||
| cmd.SetArgs(a) | ||
| cmd.Execute() | ||
|
|
||
| w.Close() | ||
| out := <-outC | ||
| os.Stdout = old | ||
|
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| executable, err := os.Executable() | ||
| if err != nil { | ||
| panic(err.Error()) // TODO exit with error message | ||
| } | ||
|
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| executableName := filepath.Base(executable) | ||
| patched := strings.Replace(string(out), fmt.Sprintf("%v _carapace", executableName), fmt.Sprintf("%v --spec %v", executableName, abs), -1) // general callback | ||
| patched = strings.Replace(patched, fmt.Sprintf("'%v', '_carapace'", executableName), fmt.Sprintf("'%v', '--spec', '%v'", executableName, abs), -1) // xonsh callback | ||
| fmt.Print(patched) | ||
|
|
||
| } |
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