Initial commit

info.go

@@ -0,0 +1,106 @@
+/*
+ * LURE - Linux User REpository
+ * Copyright (C) 2023 Elara Musayelyan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/urfave/cli/v2"
+	"lure.sh/lure/internal/cliutils"
+	"lure.sh/lure/internal/config"
+	"lure.sh/lure/internal/overrides"
+	"lure.sh/lure/pkg/distro"
+	"lure.sh/lure/pkg/loggerctx"
+	"lure.sh/lure/pkg/repos"
+	"gopkg.in/yaml.v3"
+)
+
+var infoCmd = &cli.Command{
+	Name:  "info",
+	Usage: "Print information about a package",
+	Flags: []cli.Flag{
+		&cli.BoolFlag{
+			Name:    "all",
+			Aliases: []string{"a"},
+			Usage:   "Show all information, not just for the current distro",
+		},
+	},
+	Action: func(c *cli.Context) error {
+		ctx := c.Context
+		log := loggerctx.From(ctx)
+
+		args := c.Args()
+		if args.Len() < 1 {
+			log.Fatalf("Command info expected at least 1 argument, got %d", args.Len()).Send()
+		}
+
+		err := repos.Pull(ctx, config.Config(ctx).Repos)
+		if err != nil {
+			log.Fatal("Error pulling repositories").Err(err).Send()
+		}
+
+		found, _, err := repos.FindPkgs(ctx, args.Slice())
+		if err != nil {
+			log.Fatal("Error finding packages").Err(err).Send()
+		}
+
+		if len(found) == 0 {
+			os.Exit(1)
+		}
+
+		pkgs := cliutils.FlattenPkgs(ctx, found, "show", c.Bool("interactive"))
+
+		var names []string
+		all := c.Bool("all")
+
+		if !all {
+			info, err := distro.ParseOSRelease(ctx)
+			if err != nil {
+				log.Fatal("Error parsing os-release file").Err(err).Send()
+			}
+			names, err = overrides.Resolve(
+				info,
+				overrides.DefaultOpts.
+					WithLanguages([]string{config.SystemLang()}),
+			)
+			if err != nil {
+				log.Fatal("Error resolving overrides").Err(err).Send()
+			}
+		}
+
+		for _, pkg := range pkgs {
+			if !all {
+				err = yaml.NewEncoder(os.Stdout).Encode(overrides.ResolvePackage(&pkg, names))
+				if err != nil {
+					log.Fatal("Error encoding script variables").Err(err).Send()
+				}
+			} else {
+				err = yaml.NewEncoder(os.Stdout).Encode(pkg)
+				if err != nil {
+					log.Fatal("Error encoding script variables").Err(err).Send()
+				}
+			}
+
+			fmt.Println("---")
+		}
+
+		return nil
+	},
+}