ALR

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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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	"strings"
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	"github.com/urfave/cli/v2"
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	"plemya-x.ru/alr/internal/cpu"
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	"plemya-x.ru/alr/internal/shutils/helpers"
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	"plemya-x.ru/alr/pkg/distro"
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	"plemya-x.ru/alr/pkg/loggerctx"
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	"mvdan.cc/sh/v3/expand"
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	"mvdan.cc/sh/v3/interp"
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)
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var helperCmd = &cli.Command{
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	Name:        "helper",
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	Usage:       "Run a ALR helper command",
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	ArgsUsage:   `<helper_name|"list">`,
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	Subcommands: []*cli.Command{helperListCmd},
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	Flags: []cli.Flag{
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		&cli.StringFlag{
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			Name:    "dest-dir",
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			Aliases: []string{"d"},
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			Usage:   "The directory that the install commands will install to",
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			Value:   "dest",
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		},
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	},
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	Action: func(c *cli.Context) error {
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		ctx := c.Context
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		log := loggerctx.From(ctx)
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		if c.Args().Len() < 1 {
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			cli.ShowSubcommandHelpAndExit(c, 1)
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		}
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		helper, ok := helpers.Helpers[c.Args().First()]
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		if !ok {
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			log.Fatal("No such helper command").Str("name", c.Args().First()).Send()
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		}
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		wd, err := os.Getwd()
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		if err != nil {
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			log.Fatal("Error getting working directory").Err(err).Send()
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		}
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		info, err := distro.ParseOSRelease(ctx)
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		if err != nil {
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			log.Fatal("Error getting working directory").Err(err).Send()
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		}
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		hc := interp.HandlerContext{
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			Env: expand.ListEnviron(
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				"pkgdir="+c.String("dest-dir"),
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				"DISTRO_ID="+info.ID,
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				"DISTRO_ID_LIKE="+strings.Join(info.Like, " "),
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				"ARCH="+cpu.Arch(),
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			),
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			Dir:    wd,
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			Stdin:  os.Stdin,
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			Stdout: os.Stdout,
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			Stderr: os.Stderr,
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		}
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		return helper(hc, c.Args().First(), c.Args().Slice()[1:])
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	},
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	CustomHelpTemplate: cli.CommandHelpTemplate,
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	BashComplete: func(ctx *cli.Context) {
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		for name := range helpers.Helpers {
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			fmt.Println(name)
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		}
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	},
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}
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var helperListCmd = &cli.Command{
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	Name:    "list",
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	Usage:   "List all the available helper commands",
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	Aliases: []string{"ls"},
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	Action: func(ctx *cli.Context) error {
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		for name := range helpers.Helpers {
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			fmt.Println(name)
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		}
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		return nil
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	},
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}
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