journalctl: honor --quiet with --setup-keys

Closes #35504.

(cherry picked from commit a5b2973)
(cherry picked from commit 644f2a0)
(cherry picked from commit c03e316)
(cherry picked from commit dbab170)
(cherry picked from commit 4c88d0e)
(cherry picked from commit b125bce)

Author: yuwata

src/journal/journalctl.c

@@ -1865,15 +1865,18 @@ static int setup_keys(void) {
         state_size = FSPRG_stateinbytes(FSPRG_RECOMMENDED_SECPAR);
         state = alloca_safe(state_size);
 
-        log_info("Generating seed...");
+        if (!arg_quiet)
+                log_info("Generating seed...");
         r = crypto_random_bytes(seed, seed_size);
         if (r < 0)
                 return log_error_errno(r, "Failed to acquire random seed: %m");
 
-        log_info("Generating key pair...");
+        if (!arg_quiet)
+                log_info("Generating key pair...");
         FSPRG_GenMK(NULL, mpk, seed, seed_size, FSPRG_RECOMMENDED_SECPAR);
 
-        log_info("Generating sealing key...");
+        if (!arg_quiet)
+                log_info("Generating sealing key...");
         FSPRG_GenState0(state, mpk, seed, seed_size);
 
         assert(arg_interval > 0);
@@ -1888,7 +1891,7 @@ static int setup_keys(void) {
 
         r = chattr_secret(fd, CHATTR_WARN_UNSUPPORTED_FLAGS);
         if (r < 0)
-                log_full_errno(ERRNO_IS_NOT_SUPPORTED(r) ? LOG_DEBUG : LOG_WARNING,
+                log_full_errno(ERRNO_IS_NOT_SUPPORTED(r) || arg_quiet ? LOG_DEBUG : LOG_WARNING,
                                r, "Failed to set file attributes on '%s', ignoring: %m", k);
 
         struct FSSHeader h = {
@@ -1921,7 +1924,7 @@ static int setup_keys(void) {
         if (r < 0)
                 return r;
 
-        if (on_tty()) {
+        if (on_tty() && !arg_quiet) {
                 hn = gethostname_malloc();
                 if (hn)
                         hostname_cleanup(hn);
@@ -1952,7 +1955,7 @@ static int setup_keys(void) {
 
         puts(key);
 
-        if (on_tty()) {
+        if (on_tty() && !arg_quiet) {
                 fprintf(stderr, "%s", ansi_normal());
 #if HAVE_QRENCODE
                 _cleanup_free_ char *url = NULL;