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

1 files changed, 102 insertions, 0 deletions

diff --git a/Userland/Utilities/rm.cpp b/Userland/Utilities/rm.cpp
new file mode 100644
index 0000000000..d563a294df
--- /dev/null
+++ b/Userland/Utilities/rm.cpp
@@ -0,0 +1,102 @@
+/*
+ * 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/String.h>
+#include <AK/StringBuilder.h>
+#include <AK/Vector.h>
+#include <LibCore/ArgsParser.h>
+#include <LibCore/DirIterator.h>
+#include <dirent.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+static int remove(bool recursive, bool force, String path)
+{
+    struct stat path_stat;
+    if (lstat(path.characters(), &path_stat) < 0) {
+        if (!force)
+            perror("lstat");
+        return force ? 0 : 1;
+    }
+
+    if (S_ISDIR(path_stat.st_mode) && recursive) {
+        auto di = Core::DirIterator(path, Core::DirIterator::SkipParentAndBaseDir);
+        if (di.has_error()) {
+            if (!force)
+                fprintf(stderr, "DirIterator: %s\n", di.error_string());
+            return 1;
+        }
+
+        while (di.has_next()) {
+            int s = remove(true, force, di.next_full_path());
+            if (s != 0 && !force)
+                return s;
+        }
+
+        int s = rmdir(path.characters());
+        if (s < 0 && !force) {
+            perror("rmdir");
+            return 1;
+        }
+    } else {
+        int rc = unlink(path.characters());
+        if (rc < 0 && !force) {
+            perror("unlink");
+            return 1;
+        }
+    }
+    return 0;
+}
+
+int main(int argc, char** argv)
+{
+    if (pledge("stdio rpath cpath", nullptr) < 0) {
+        perror("pledge");
+        return 1;
+    }
+
+    bool recursive = false;
+    bool force = false;
+    bool verbose = false;
+    Vector<const char*> paths;
+
+    Core::ArgsParser args_parser;
+    args_parser.add_option(recursive, "Delete directories recursively", "recursive", 'r');
+    args_parser.add_option(force, "Force", "force", 'f');
+    args_parser.add_option(verbose, "Verbose", "verbose", 'v');
+    args_parser.add_positional_argument(paths, "Path(s) to remove", "path");
+    args_parser.parse(argc, argv);
+
+    int rc = 0;
+    for (auto& path : paths) {
+        rc |= remove(recursive, force, path);
+        if (verbose && rc == 0)
+            printf("removed '%s'\n", path);
+    }
+    return rc;
+}