120 lines
3.2 KiB
Go
120 lines
3.2 KiB
Go
/*
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Copyright © 2025 Lewis Wynne <lew@ily.rs>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package cmd
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import (
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"fmt"
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"os"
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"os/exec"
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"github.com/dgraph-io/badger/v4"
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"github.com/spf13/cobra"
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)
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// getCmd represents the get command
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var getCmd = &cobra.Command{
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Use: "get KEY[@DB]",
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Short: "Get a value for a key. Optionally specify a db.",
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Aliases: []string{"g"},
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Args: cobra.ExactArgs(1),
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RunE: get,
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}
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func get(cmd *cobra.Command, args []string) error {
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store := &Store{}
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var v []byte
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var meta byte
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trans := TransactionArgs{
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key: args[0],
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readonly: true,
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sync: false,
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transact: func(tx *badger.Txn, k []byte) error {
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item, err := tx.Get(k)
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if err != nil {
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return err
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}
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meta = item.UserMeta()
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v, err = item.ValueCopy(nil)
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return err
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},
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}
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if err := store.Transaction(trans); err != nil {
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return err
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}
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includeSecret, err := cmd.Flags().GetBool("secret")
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if err != nil {
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return err
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}
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if meta&metaSecret != 0 && !includeSecret {
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return fmt.Errorf("%q is marked secret; re-run with --secret to display it", args[0])
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}
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binary, err := cmd.Flags().GetBool("include-binary")
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if err != nil {
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return err
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}
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run, err := cmd.Flags().GetBool("run")
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if err != nil {
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return err
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}
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if run {
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return runCmd(string(v))
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}
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store.Print("%s", binary, v)
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return nil
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}
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func runCmd(command string) error {
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shell := os.Getenv("SHELL")
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if shell == "" {
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shell = "/bin/sh"
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}
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cmd := exec.Command(shell, "-c", command)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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cmd.Stdin = os.Stdin
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if err := cmd.Run(); err != nil {
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// ExitError indicates running the command was successful, but the command itself failed.
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// We only ever want to report on errors caused by the CLI tool itself.
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// An ExitError means this tool was successful in running the command, so return nil.
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// A non-ExitError means this tool failed, so return err.
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if _, ok := err.(*exec.ExitError); !ok {
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return err
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}
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}
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return nil
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}
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func init() {
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getCmd.Flags().BoolP("include-binary", "b", false, "include binary data in text output")
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getCmd.Flags().Bool("secret", false, "display values marked as secret")
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getCmd.Flags().BoolP("run", "c", false, "execute the result as a shell command")
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rootCmd.AddCommand(getCmd)
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}
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