4 files changed, 15 insertions, 14 deletions

diff --git a/nix/libstore/local-store.cc b/nix/libstore/local-store.cc
index 43f3c1770a8..b8308b1aae5 100644
--- a/nix/libstore/local-store.cc
+++ b/nix/libstore/local-store.cc
@@ -654,7 +654,7 @@ uint64_t LocalStore::queryValidPathId(const Path & path)
 {
     auto use(stmtQueryPathInfo.use()(path));
     if (!use.next())
-        throw Error(std::format("path `%1%' is not valid", path));
+        throw Error(std::format("path `{}' is not valid", path));
     return use.getInt(0);
 }
 
diff --git a/nix/libstore/optimise-store.cc b/nix/libstore/optimise-store.cc
index 54aa166c344..93ce1f55365 100644
--- a/nix/libstore/optimise-store.cc
+++ b/nix/libstore/optimise-store.cc
@@ -182,12 +182,12 @@ void LocalStore::optimisePath_(OptimiseStats & stats, const Path & path, InodeHa
     }
 
     if (st.st_size != stLink.st_size) {
-        printMsg(lvlError, std::format("removing corrupted link `%1%'", linkPath));
+        printMsg(lvlError, std::format("removing corrupted link `{}'", linkPath));
         unlink(linkPath.c_str());
         goto retry;
     }
 
-    printMsg(lvlTalkative, std::format("linking `%1%' to `%2%'", path, linkPath));
+    printMsg(lvlTalkative, std::format("linking `{}' to `{}'", path, linkPath));
 
     /* Make the containing directory writable, but only if it's not
        the store itself (we don't want or need to mess with its
diff --git a/nix/libutil/affinity.cc b/nix/libutil/affinity.cc
index 53500c22ab9..38270c0eb4c 100644
--- a/nix/libutil/affinity.cc
+++ b/nix/libutil/affinity.cc
@@ -49,7 +49,7 @@ void restoreAffinity()
 #if HAVE_SCHED_SETAFFINITY
     if (!didSaveAffinity) return;
     if (sched_setaffinity(0, sizeof(cpu_set_t), &savedAffinity) == -1)
-        printMsg(lvlError, "failed to restore affinity %1%");
+        printMsg(lvlError, "failed to restore affinity");
 #endif
 }
 
diff --git a/nix/nix-daemon/guix-daemon.cc b/nix/nix-daemon/guix-daemon.cc
index 341e39c2907..58a6f3eba45 100644
--- a/nix/nix-daemon/guix-daemon.cc
+++ b/nix/nix-daemon/guix-daemon.cc
@@ -329,8 +329,8 @@ open_unix_domain_socket (const char *file)
   struct sockaddr_un addr;
   addr.sun_family = AF_UNIX;
   if (fileRel.size () >= sizeof (addr.sun_path))
-    throw Error (std::vformat( (_("socket file name '%1%' is too long")), 
-      std::make_format_args(fileRel)));
+    throw Error (std::vformat ((_("socket file name '{}' is too long")),
+                               std::make_format_args (fileRel)));
   strcpy (addr.sun_path, fileRel.c_str ());
 
   unlink (file);
@@ -523,14 +523,15 @@ main (int argc, char *argv[])
         /* We were not "socket-activated" so open the sockets specified by
            LISTEN_OPTIONS.  */
         sockets = listening_sockets (listen_options);
-      else {
-        auto size = sockets.size();
-              printMsg (lvlInfo,
-                      std::vformat((ngettext ("socket-activated with %1% socket",
-                                                  "socket-activated with %1% sockets",
-                                                  size)),
-                        std::make_format_args(size)));
-      }
+      else
+        {
+          auto size = sockets.size();
+          printMsg (lvlInfo,
+                    std::vformat((ngettext ("socket-activated with {} socket",
+                                            "socket-activated with {} sockets",
+                                            size)),
+                                 std::make_format_args(size)));
+        }
 
       /* Effect all the changes made via 'settings.set'.  */
       settings.update ();