Userland: Move command-line utilities to Userland/Utilities/

1 files changed, 94 insertions, 0 deletions

diff --git a/Userland/Utilities/mv.cpp b/Userland/Utilities/mv.cpp
new file mode 100644
index 0000000000..de07baf09b
--- /dev/null
+++ b/Userland/Utilities/mv.cpp
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <AK/LexicalPath.h>
+#include <AK/String.h>
+#include <LibCore/ArgsParser.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+int main(int argc, char** argv)
+{
+    if (pledge("stdio rpath wpath cpath fattr", nullptr) < 0) {
+        perror("pledge");
+        return 1;
+    }
+
+    // NOTE: The "force" option is a dummy for now, it's just here to silence scripts that use "mv -f"
+    //       In the future, it might be used to cancel out an "-i" interactive option.
+    bool force = false;
+    bool verbose = false;
+
+    Vector<const char*> paths;
+
+    Core::ArgsParser args_parser;
+    args_parser.add_option(force, "Force", "force", 'f');
+    args_parser.add_option(verbose, "Verbose", "verbose", 'v');
+    args_parser.add_positional_argument(paths, "Paths to files being moved followed by target location", "paths");
+    args_parser.parse(argc, argv);
+
+    if (paths.size() < 2) {
+        args_parser.print_usage(stderr, argv[0]);
+        return 1;
+    }
+
+    auto original_new_path = paths.take_last();
+
+    struct stat st;
+
+    int rc = lstat(original_new_path, &st);
+    if (rc != 0 && errno != ENOENT) {
+        perror("lstat");
+        return 1;
+    }
+
+    if (paths.size() > 1 && !S_ISDIR(st.st_mode)) {
+        warnln("Target is not a directory: {}", original_new_path);
+        return 1;
+    }
+
+    for (auto& old_path : paths) {
+        String combined_new_path;
+        const char* new_path = original_new_path;
+        if (rc == 0 && S_ISDIR(st.st_mode)) {
+            auto old_basename = LexicalPath(old_path).basename();
+            combined_new_path = String::format("%s/%s", original_new_path, old_basename.characters());
+            new_path = combined_new_path.characters();
+        }
+
+        rc = rename(old_path, new_path);
+        if (rc < 0) {
+            perror("rename");
+            return 1;
+        }
+
+        if (verbose)
+            printf("renamed '%s' -> '%s'\n", old_path, new_path);
+    }
+
+    return 0;
+}