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package main
import (
"fmt"
"os"
"os/exec"
"time"
"github.com/urfave/cli/v2"
)
func main() {
(&cli.App{
Name: "rui",
Usage: "Personal NixOS Flake Manager",
Description: "Personal NixOS Flake Manager",
EnableBashCompletion: true,
Authors: []*cli.Author{
{
Name: "Fuwn",
Email: "[email protected]",
},
},
Copyright: fmt.Sprintf("Copyright (c) 2024-%s Fuwn", fmt.Sprint(time.Now().Year())),
ExitErrHandler: func(c *cli.Context, err error) {
if err != nil {
fmt.Println(err)
}
},
Suggest: true,
Commands: []*cli.Command{
{
Name: "hs",
Action: func(c *cli.Context) error {
return c.App.Command("home").Command("switch").Run(c)
},
Hidden: true,
Description: "Alias for `home switch`",
},
{
Name: "osw",
Action: func(c *cli.Context) error {
return c.App.Command("os").Command("switch").Run(c)
},
Hidden: true,
Usage: "Alias for `os switch`",
},
{
Name: "home",
Subcommands: []*cli.Command{
{
Name: "switch",
Aliases: []string{"sw"},
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "impure",
Value: true,
},
&cli.BoolFlag{
Name: "force-home-manager",
},
&cli.StringFlag{
Name: "user",
},
},
Action: func(c *cli.Context) error {
_, err := exec.LookPath("nh")
extraArgs := []string{}
if c.Bool("impure") {
extraArgs = []string{"--impure"}
}
if err == nil && !c.Bool("force-home-manager") {
return Command("nh", append([]string{"home", "switch", "--"},
extraArgs...)...)
}
user := c.String("user")
if user == "" {
user = os.Getenv("USER")
}
return Command("home-manager", append([]string{"switch",
"--flake", fmt.Sprintf("%s#%s", os.Getenv("FLAKE"), user)},
extraArgs...)...)
},
},
{
Name: "news",
Action: func(c *cli.Context) error {
return Command("home-manager", "news", "--flake",
os.Getenv("FLAKE"), "--impure")
},
},
},
},
{
Name: "os",
Subcommands: []*cli.Command{
{
Name: "switch",
Aliases: []string{"sw"},
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "force-nixos-rebuild",
},
&cli.StringFlag{
Name: "hostname",
},
},
Action: func(c *cli.Context) error {
_, err := exec.LookPath("nh")
if err == nil && !c.Bool("force-nixos-rebuild") {
return Command("nh", "os", "switch")
}
_, err = exec.LookPath("doas")
escalator := "sudo"
if err == nil {
escalator = "doas"
}
hostname := c.String("hostname")
if hostname == "" {
hostname, err = os.Hostname()
if err != nil {
return err
}
}
return Command(escalator, "nixos-rebuild", "switch", "--flake",
fmt.Sprintf("%s#%s", os.Getenv("FLAKE"), hostname))
},
},
},
},
{
Name: "edit",
Action: func(c *cli.Context) error {
editor, err := os.LookupEnv("FLAKE_EDITOR")
if err {
return Command(editor, os.Getenv("FLAKE"))
}
return Command(os.Getenv("EDITOR"), os.Getenv("FLAKE"))
},
},
},
}).Run(os.Args)
}
func Command(name string, args ...string) error {
cmd := exec.Command(name, args...)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
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