A CLI tool to edit dinit service files with ease
Add Go impl
+103
-7
+86
dinit-edit.go
+86
dinit-edit.go
···
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package main
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import (
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"fmt"
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"os"
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"path"
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"slices"
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"syscall"
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)
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func getServiceDirs() (serviceDirs []string) {
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if os.Getuid() == 0 {
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serviceDirs = []string{"/etc/dinit.d", "/run/dinit.d", "/usr/local/lib/dinit.d", "/lib/dinit.d"}
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} else {
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if xdg_home, ok := os.LookupEnv("XDG_CONFIG_HOME"); ok {
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serviceDirs = append(serviceDirs, path.Join(xdg_home, "dinit.d"))
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}
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if home, ok := os.LookupEnv("HOME"); ok {
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serviceDirs = append(serviceDirs, path.Join(home, ".config/dinit.d"))
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}
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serviceDirs = slices.Concat(serviceDirs, []string{"/etc/dinit.d/user", "/usr/lib/dinit.d/user", "/usr/local/lib/dinit.d/user"})
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}
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return
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}
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type Service struct {
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Name string
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Path string
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}
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func main() {
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dirs := getServiceDirs()
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services := []Service{}
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for _, dir := range dirs {
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entries, err := os.ReadDir(dir)
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if err != nil {
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// missing dir is ok
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if !os.IsNotExist(err) {
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fmt.Println(err)
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}
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} else {
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for _, entry := range entries {
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if entry.Type().IsRegular() {
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name := entry.Name()
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path := path.Join(dir, name)
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services = append(services, Service{
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Name: name,
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Path: path,
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})
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}
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}
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}
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}
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if len(os.Args) < 2 {
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listAll(services)
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} else {
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edit(services, os.Args[1])
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}
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}
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func listAll(services []Service) {
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longest := 0
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for _, srv := range services {
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longest = max(longest, len(srv.Name))
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}
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for _, srv := range services {
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fmt.Fprintf(os.Stdout, "%-*s%s\n", longest+4, srv.Name, srv.Path)
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}
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}
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func edit(services []Service, name string) {
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i := slices.IndexFunc(services, func(srv Service) bool { return srv.Name == name })
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if i < 0 {
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fmt.Println("service not found:", name)
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os.Exit(1)
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} else {
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if editor_sh, ok := os.LookupEnv("EDITOR"); ok {
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err := syscall.Exec("/bin/sh", []string{"sh", "-c", editor_sh + " " + services[i].Path}, os.Environ())
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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}
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}
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}
+16
-7
readme.md
+16
-7
readme.md
···
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Please don't have space or other weird characters inside the service file path, since it's passed to `sh -c '$EDITOR $service_file_path'`.
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## Building
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## Usage
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```
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# list all
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dinit-edit
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# edit one
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dinit-edit <service>
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```
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## Buliding Go implementation
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```
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go build dinit-edit.go
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```
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## Building Zig implementatino
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Use Zig 0.14.1
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···
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install ./main <somewhere>
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```
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```
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# list all
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dinit-edit
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# edit one
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dinit-edit <service>
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```