fix: translate messages in admin prompts

po/de.po

@@ -7,7 +7,7 @@ msgstr ""
 "Project-Id-Version: plasma-face-unlock 1.0.0\n"
 "Report-Msgid-Bugs-To: https://github.com/LoonixTools/plasma-face-unlock/"
 "issues\n"
-"POT-Creation-Date: 2026-09-24 01:31+0200\n"
+"POT-Creation-Date: 2026-09-24 10:37+0200\n"
 "PO-Revision-Date: 2026-09-23 22:32+0200\n"
 "Last-Translator: Felitendo\n"
 "Language-Team: German\n"
@@ -434,11 +434,11 @@ msgstr "alle ausgeschaltet"
 msgid "none found"
 msgstr "keine gefunden"
 
-#: src/lib/menu.sh:233 /tmp/tmp.3ElRvSMg8S/settings.sh:12
+#: src/lib/menu.sh:233 /tmp/tmp.bBbo63fNu2/settings.sh:12
 msgid "Camera"
 msgstr "Kamera"
 
-#: src/lib/menu.sh:235 /tmp/tmp.3ElRvSMg8S/settings.sh:1
+#: src/lib/menu.sh:235 /tmp/tmp.bBbo63fNu2/settings.sh:1
 msgid "Lock screen"
 msgstr "Sperrbildschirm"
 
@@ -446,11 +446,11 @@ msgstr "Sperrbildschirm"
 msgid "sudo"
 msgstr "sudo"
 
-#: src/lib/menu.sh:237 /tmp/tmp.3ElRvSMg8S/settings.sh:7
+#: src/lib/menu.sh:237 /tmp/tmp.bBbo63fNu2/settings.sh:7
 msgid "Admin prompts"
 msgstr "Admin-Abfragen"
 
-#: src/lib/menu.sh:238 /tmp/tmp.3ElRvSMg8S/settings.sh:9
+#: src/lib/menu.sh:238 /tmp/tmp.bBbo63fNu2/settings.sh:9
 msgid "Photo check"
 msgstr "Foto-Prüfung"
 
@@ -878,21 +878,21 @@ msgstr "Die Animationen der Bubble einmal abspielen."
 msgid "Bubble style for the demo: full or minimal."
 msgstr "Bubble-Stil für die Demo: full oder minimal."
 
-#: src/pam/pam_plasma_face_unlock.c:293
+#: src/pam/pam_plasma_face_unlock.c:311
 msgid "Look at the camera to unlock."
 msgstr "Schau zum Entsperren in die Kamera."
 
-#: src/pam/pam_plasma_face_unlock.c:296
+#: src/pam/pam_plasma_face_unlock.c:314
 msgid "Blink, or turn your head a little."
 msgstr "Blinzle oder dreh den Kopf ein wenig."
 
-#: src/pam/pam_plasma_face_unlock.c:312
+#: src/pam/pam_plasma_face_unlock.c:330
 msgid "Face unlock is paused after too many tries. Use your password."
 msgstr ""
 "Die Gesichtsentsperrung ist nach zu vielen Versuchen pausiert. Nutze dein "
 "Passwort."
 
-#: src/pam/pam_plasma_face_unlock.c:316
+#: src/pam/pam_plasma_face_unlock.c:334
 msgid "Face not recognised."
 msgstr "Gesicht nicht erkannt."
 

po/plasma-face-unlock.pot

@@ -5,10 +5,10 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: plasma-face-unlock 1.0.0\n"
+"Project-Id-Version: plasma-face-unlock 1.0.1\n"
 "Report-Msgid-Bugs-To: https://github.com/LoonixTools/plasma-face-unlock/"
 "issues\n"
-"POT-Creation-Date: 2026-09-24 01:31+0200\n"
+"POT-Creation-Date: 2026-09-24 10:37+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -417,11 +417,11 @@ msgstr ""
 msgid "none found"
 msgstr ""
 
-#: src/lib/menu.sh:233 /tmp/tmp.3ElRvSMg8S/settings.sh:12
+#: src/lib/menu.sh:233 /tmp/tmp.bBbo63fNu2/settings.sh:12
 msgid "Camera"
 msgstr ""
 
-#: src/lib/menu.sh:235 /tmp/tmp.3ElRvSMg8S/settings.sh:1
+#: src/lib/menu.sh:235 /tmp/tmp.bBbo63fNu2/settings.sh:1
 msgid "Lock screen"
 msgstr ""
 
@@ -429,11 +429,11 @@ msgstr ""
 msgid "sudo"
 msgstr ""
 
-#: src/lib/menu.sh:237 /tmp/tmp.3ElRvSMg8S/settings.sh:7
+#: src/lib/menu.sh:237 /tmp/tmp.bBbo63fNu2/settings.sh:7
 msgid "Admin prompts"
 msgstr ""
 
-#: src/lib/menu.sh:238 /tmp/tmp.3ElRvSMg8S/settings.sh:9
+#: src/lib/menu.sh:238 /tmp/tmp.bBbo63fNu2/settings.sh:9
 msgid "Photo check"
 msgstr ""
 
@@ -826,19 +826,19 @@ msgstr ""
 msgid "Bubble style for the demo: full or minimal."
 msgstr ""
 
-#: src/pam/pam_plasma_face_unlock.c:293
+#: src/pam/pam_plasma_face_unlock.c:311
 msgid "Look at the camera to unlock."
 msgstr ""
 
-#: src/pam/pam_plasma_face_unlock.c:296
+#: src/pam/pam_plasma_face_unlock.c:314
 msgid "Blink, or turn your head a little."
 msgstr ""
 
-#: src/pam/pam_plasma_face_unlock.c:312
+#: src/pam/pam_plasma_face_unlock.c:330
 msgid "Face unlock is paused after too many tries. Use your password."
 msgstr ""
 
-#: src/pam/pam_plasma_face_unlock.c:316
+#: src/pam/pam_plasma_face_unlock.c:334
 msgid "Face not recognised."
 msgstr ""
 

src/pam/pam_plasma_face_unlock.c

@@ -32,6 +32,7 @@
 
 #include <errno.h>
 #include <libintl.h>
+#include <locale.h>
 #include <poll.h>
 #include <stdbool.h>
 #include <stdio.h>
@@ -49,7 +50,8 @@
 #endif
 
 #define DOMAIN PFU_NAME
-#define _(s) dgettext(DOMAIN, s)
+// Marks a message for translation. say() translates it.
+#define _(s) (s)
 
 struct options {
     const char *socket;
@@ -200,10 +202,26 @@ static bool json_true(const char *line, const char *key)
     return strstr(line, pattern) != NULL;
 }
 
+// Admin prompts run this in polkit's helper. It keeps LANG but never calls
+// setlocale, so gettext would stay in English. Take the language from the
+// environment for this thread while the message goes out.
 static void say(pam_handle_t *pamh, int flags, const char *message)
 {
-    if (!(flags & PAM_SILENT)) {
-        pam_info(pamh, "%s", message);
+    if (flags & PAM_SILENT) {
+        return;
+    }
+    locale_t loc = (locale_t)0, old = (locale_t)0;
+    const char *global = setlocale(LC_MESSAGES, NULL);
+    if (!global || strcmp(global, "C") == 0 || strcmp(global, "POSIX") == 0) {
+        loc = newlocale(LC_MESSAGES_MASK, "", (locale_t)0);
+        if (loc) {
+            old = uselocale(loc);
+        }
+    }
+    pam_info(pamh, "%s", dgettext(DOMAIN, message));
+    if (loc) {
+        uselocale(old);
+        freelocale(loc);
     }
 }