/
list.go
48 lines (40 loc) · 1.01 KB
/
list.go
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package cmd
import (
"fmt"
"os"
"sort"
"text/tabwriter"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/whalebrew/whalebrew/packages"
)
var hideHeaders bool
func init() {
listCommand.Flags().BoolVarP(&hideHeaders, "no-headers", "", false, "Hide column headers for output. Defaults to false.")
RootCmd.AddCommand(listCommand)
}
var listCommand = &cobra.Command{
Use: "list",
Short: "List installed packages",
RunE: func(cmd *cobra.Command, args []string) error {
pm := packages.NewPackageManager(viper.GetString("install_path"))
packages, err := pm.List()
if err != nil {
return err
}
packageNames := make([]string, 0, len(packages))
for k := range packages {
packageNames = append(packageNames, k)
}
sort.Strings(packageNames)
w := tabwriter.NewWriter(os.Stdout, 10, 2, 2, ' ', 0)
if !hideHeaders {
fmt.Fprintln(w, "COMMAND\tIMAGE")
}
for _, name := range packageNames {
fmt.Fprintf(w, "%s\t%s\n", name, packages[name].Image)
}
w.Flush()
return nil
},
}