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ActionPathExecutables: improve performance
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package os | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "strings" | ||
|
|
||
| "github.com/rsteube/carapace" | ||
| "github.com/rsteube/carapace-bin/cmd/carapace/cmd/completers" | ||
| "github.com/rsteube/carapace/pkg/style" | ||
| "gopkg.in/yaml.v3" | ||
| ) | ||
|
|
||
| // ActionPathExecutables completes executable files from PATH | ||
| // | ||
| // nvim | ||
| // chmod | ||
| func ActionPathExecutables() carapace.Action { | ||
| return carapace.ActionCallback(func(c carapace.Context) carapace.Action { | ||
| batch := carapace.Batch() | ||
| dirs := strings.Split(os.Getenv("PATH"), string(os.PathListSeparator)) | ||
| for i := len(dirs) - 1; i >= 0; i-- { | ||
| batch = append(batch, actionDirectoryExecutables(dirs[i], c.CallbackValue)) | ||
| } | ||
| return batch.ToA() | ||
| }) | ||
| } | ||
|
|
||
| func actionDirectoryExecutables(dir string, prefix string) carapace.Action { | ||
| return carapace.ActionCallback(func(c carapace.Context) carapace.Action { | ||
| if files, err := os.ReadDir(dir); err == nil { | ||
| vals := make([]string, 0) | ||
| for _, f := range files { | ||
| if strings.HasPrefix(f.Name(), prefix) { | ||
| if info, err := f.Info(); err == nil && !f.IsDir() && isExecAny(info.Mode()) { | ||
| if description, err := specDescription(f.Name()); err != nil { | ||
| vals = append(vals, f.Name(), completers.Descriptions[f.Name()], style.ForPath(dir+"/"+f.Name())) | ||
| } else { | ||
| vals = append(vals, f.Name(), description, style.ForPath(dir+"/"+f.Name())) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return carapace.ActionStyledValuesDescribed(vals...) | ||
| } | ||
| return carapace.ActionValues() | ||
| }) | ||
| } | ||
|
|
||
| func isExecAny(mode os.FileMode) bool { | ||
| return mode&0111 != 0 | ||
| } | ||
|
|
||
| func specDescription(name string) (string, error) { | ||
| confDir, err := os.UserConfigDir() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| content, err := os.ReadFile(fmt.Sprintf("%v/carapace/specs/%v.yaml", confDir, name)) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| var s struct { | ||
| Description string | ||
| } | ||
|
|
||
| err = yaml.Unmarshal(content, &s) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return s.Description, nil | ||
| } |
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