Do not display (missing public key) for age identities (gopasspw#2166)

They are fully defined by the public key.

RELEASE_NOTES=[BUGFIX] Do not print missing public key for age.

Signed-off-by: Dominik Schulz <dominik.schulz@gauner.org>

internal/backend/crypto/gpg/cli/identities.go

@@ -33,16 +33,16 @@ func (g *GPG) FindIdentities(ctx context.Context, search ...string) ([]string, e
 	return kl.UseableKeys(gpg.IsAlwaysTrust(ctx)).Recipients(), nil
 }
 
-func (g *GPG) findKey(ctx context.Context, id string) gpg.Key {
+func (g *GPG) findKey(ctx context.Context, id string) (gpg.Key, bool) {
 	kl, _ := g.listKeys(ctx, "secret", id)
 	if len(kl) >= 1 {
-		return kl[0]
+		return kl[0], true
 	}
 	kl, _ = g.listKeys(ctx, "public", id)
 	if len(kl) >= 1 {
-		return kl[0]
+		return kl[0], true
 	}
 	return gpg.Key{
 		Fingerprint: id,
-	}
+	}, false
 }

internal/backend/crypto/gpg/cli/keyring.go

@@ -27,7 +27,7 @@ func (g *GPG) listKeys(ctx context.Context, typ string, search ...string) (gpg.K
 		}
 	}
 	cmd := exec.CommandContext(ctx, g.binary, args...)
-	var errBuf = bytes.Buffer{}
+	errBuf := bytes.Buffer{}
 	cmd.Stderr = &errBuf
 
 	debug.Log("%s %+v\n", cmd.Path, cmd.Args)
@@ -46,7 +46,11 @@ func (g *GPG) listKeys(ctx context.Context, typ string, search ...string) (gpg.K
 
 // Fingerprint returns the fingerprint.
 func (g *GPG) Fingerprint(ctx context.Context, id string) string {
-	return g.findKey(ctx, id).Fingerprint
+	k, found := g.findKey(ctx, id)
+	if !found {
+		return ""
+	}
+	return k.Fingerprint
 }
 
 // FormatKey formats the details of a key id
@@ -55,16 +59,26 @@ func (g *GPG) Fingerprint(ctx context.Context, id string) string {
 // - EmailFromKey: {{ .Email }}.
 func (g *GPG) FormatKey(ctx context.Context, id, tpl string) string {
 	if tpl == "" {
-		return g.findKey(ctx, id).OneLine()
+		k, found := g.findKey(ctx, id)
+		if !found {
+			return ""
+		}
+		return k.OneLine()
 	}
 
 	tmpl, err := template.New(tpl).Parse(tpl)
 	if err != nil {
 		return ""
 	}
 
+	var gid gpg.Identity
+	k, found := g.findKey(ctx, id)
+	if found {
+		gid = k.Identity()
+	}
+
 	buf := &bytes.Buffer{}
-	if err := tmpl.Execute(buf, g.findKey(ctx, id).Identity()); err != nil {
+	if err := tmpl.Execute(buf, gid); err != nil {
 		debug.Log("Failed to render template %q: %s", tpl, err)
 		return ""
 	}

internal/store/root/recipients.go

@@ -34,6 +34,9 @@ func (r *Store) RemoveRecipient(ctx context.Context, store, rec string) error {
 func (r *Store) addRecipient(ctx context.Context, prefix string, root *tree.Root, recp string, pretty bool) error {
 	sub, _ := r.getStore(prefix)
 	key := fmt.Sprintf("%s (missing public key)", recp)
+	if v := sub.Crypto().FormatKey(ctx, recp, ""); v != "" {
+		key = v
+	}
 	kl, err := sub.Crypto().FindRecipients(ctx, recp)
 	if err == nil {
 		if len(kl) > 0 {