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unkinben 06da0a668a
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Add passv: a Vault-backed drop-in for pass
Provide a password-store CLI that keeps pass's on-disk layout (<name>.gpg
binary OpenPGP under $PASSWORD_STORE_DIR) but routes all encryption and
decryption through a vault-plugin-secrets-gpg engine mount, so the GPG private
key never lives on the client.

- Implement init/show/ls/insert/generate/edit/rm/mv/cp/find/grep/git with
  pass-compatible flags and implicit `passv <name>`=show dispatch.
- Resolve the recipient from a Vault ref: .gpg-id holds <mount>/<key> for
  passv-native stores, or a sibling .vault-id lets a store keep real GPG
  fingerprints in .gpg-id for dual gpg+Vault use.
- mv/cp re-encrypt across differing recipients; same-recipient moves copy the
  ciphertext verbatim.
- Ship the sibling build/packaging/CI: nfpm RPM to /usr/bin/passv (artifactapi
  rpm-internal on v* tag), Woodpecker PR/release pipelines, unit tests plus a
  real-Vault e2e that also proves dual gpg+Vault decryption.
- README covers store creation, migrating a GPG pass store, and dual-mode.
2026-07-16 22:25:31 +10:00

54 lines
1.4 KiB
Go

package main
import (
"fmt"
"os"
"os/exec"
"strings"
"syscall"
)
// clipTool is a detected clipboard backend and the command that writes stdin to
// the clipboard (the same command with empty stdin clears it).
type clipTool struct{ copy []string }
func detectClipTool() *clipTool {
candidates := [][]string{
{"wl-copy"},
{"xclip", "-selection", "clipboard"},
{"xsel", "-b", "-i"},
{"pbcopy"},
}
for _, c := range candidates {
if _, err := exec.LookPath(c[0]); err == nil {
return &clipTool{copy: c}
}
}
return nil
}
func clipTime() int {
return atoiDefault(os.Getenv("PASSWORD_STORE_CLIP_TIME"), 45)
}
// copyClip places text on the clipboard and schedules a detached job to clear it
// after PASSWORD_STORE_CLIP_TIME seconds.
func copyClip(text string) error {
tool := detectClipTool()
if tool == nil {
return errf("no clipboard tool found (install wl-clipboard, xclip, or xsel)")
}
c := exec.Command(tool.copy[0], tool.copy[1:]...)
c.Stdin = strings.NewReader(text)
if err := c.Run(); err != nil {
return fmt.Errorf("copying to clipboard: %w", err)
}
// Detached clear: new process group so it outlives this CLI invocation.
clearSh := fmt.Sprintf("sleep %d; printf '' | %s", clipTime(), strings.Join(tool.copy, " "))
clear := exec.Command("sh", "-c", clearSh)
clear.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
return clear.Start()
}