touch: Don't bail immediately on error

Previously, touch would exit immediately if there was an error
changing file permissions. We now print an error to stderr and
continue when an error occurs.

Userland/Utilities/touch.cpp

@@ -239,16 +239,28 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     if (update_mtime && !update_atime)
         atime.tv_nsec = UTIME_OMIT;
 
+    auto has_errors = false;
     for (auto path : paths) {
         if (FileSystem::exists(path)) {
-            if (utimensat(AT_FDCWD, path.characters(), times, 0) == -1)
-                err("failed to touch '{}': {}", path, strerror(errno));
+            if (utimensat(AT_FDCWD, path.characters(), times, 0) == -1) {
+                warnln("failed to touch '{}': {}", path, strerror(errno));
+                has_errors = true;
+            }
         } else if (!no_create_file) {
-            int fd = TRY(Core::System::open(path, O_CREAT, 0100644));
-            if (futimens(fd, times) == -1)
-                err("failed to touch '{}': {}", path, strerror(errno));
-            TRY(Core::System::close(fd));
+            auto error_or_fd = Core::System::open(path, O_CREAT, 0100644);
+            if (error_or_fd.is_error()) {
+                warnln("failed to open '{}': {}", path, strerror(error_or_fd.error().code()));
+                has_errors = true;
+                continue;
+            }
+
+            if (futimens(error_or_fd.value(), times) == -1) {
+                warnln("failed to touch '{}': {}", path, strerror(errno));
+                has_errors = true;
+                continue;
+            }
+            (void)Core::System::close(error_or_fd.value());
         }
     }
-    return 0;
+    return has_errors ? 1 : 0;
 }