mirror of https://git.jolheiser.com/git-age
64 lines
1.1 KiB
Go
64 lines
1.1 KiB
Go
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package cmd
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import (
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"io"
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"os"
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"path/filepath"
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"filippo.io/age"
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"github.com/urfave/cli/v2"
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"lukechampine.com/blake3"
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)
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var Smudge = &cli.Command{
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Name: "smudge",
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Aliases: []string{"s"},
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Description: "Git smudge filter",
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Hidden: true,
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "file",
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Usage: "File being worked on",
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Aliases: []string{"f"},
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},
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},
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Action: actionSmudge,
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}
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func actionSmudge(ctx *cli.Context) error {
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identities, err := ageIdentities()
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if err != nil {
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return err
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}
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dir, err := gitConfigDir(ctx.String("file"))
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if err != nil {
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return err
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}
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hashFile, err := os.Create(filepath.Join(dir, "blake3"))
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if err != nil {
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return err
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}
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defer hashFile.Close()
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ageFile, err := os.Create(filepath.Join(dir, "age"))
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if err != nil {
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return err
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}
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defer ageFile.Close()
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hasher := blake3.New(64, nil)
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defer hashFile.Write(hasher.Sum(nil))
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ageTee := io.TeeReader(os.Stdin, ageFile)
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decrypted, err := age.Decrypt(ageTee, identities...)
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if err != nil {
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return err
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}
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hashTee := io.TeeReader(decrypted, hasher)
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if _, err := io.Copy(os.Stdout, hashTee); err != nil {
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return err
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}
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return nil
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}
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