Eliminate CMake; flatten directory structure

CMake is probably more trouble than it’s worth for this project.
Replace it with a hand-rolled Ninja file.

1 files changed, 61 insertions, 0 deletions

diff --git a/scoville.cc b/scoville.cc
new file mode 100644
index 0000000..2eff02e
--- /dev/null
+++ b/scoville.cc
@@ -0,0 +1,61 @@
+// Copyright (C) 2007, 2008  Jan Engelhardt <jengelh@medozas.de>
+// Copyright (C) 2016  Benjamin Barenblat <benjamin@barenblat.name>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+// details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include <memory>
+#include <system_error>
+#include <vector>
+
+#include <fcntl.h>
+#include <gflags/gflags.h>
+#include <glog/logging.h>
+
+#include "fuse.h"
+#include "operations.h"
+#include "posix_extras.h"
+
+constexpr char kUsage[] = R"(allow forbidden characters on VFAT file systems
+
+usage: scoville [flags] target_dir [-- fuse_options])";
+
+int main(int argc, char* argv[]) {
+  google::InstallFailureSignalHandler();
+  google::SetUsageMessage(kUsage);
+  google::ParseCommandLineFlags(&argc, &argv, true);
+  google::InitGoogleLogging(argv[0]);
+
+  // This is an overlay file system, which means once we start FUSE, the
+  // underlying file system will be inaccessible through normal means.  Open a
+  // file descriptor to the underlying root now so we can still do operations on
+  // it while it's overlayed.
+  std::unique_ptr<scoville::File> root;
+  const char* const root_path = argv[argc - 1];
+  try {
+    root.reset(new scoville::File(root_path, O_DIRECTORY));
+  } catch (const std::system_error& e) {
+    LOG(FATAL) << "scoville: bad mount point `" << root_path
+               << "': " << e.what();
+  }
+  LOG(INFO) << "overlaying " << root->path();
+  const fuse_operations operations = scoville::FuseOperations(root.get());
+
+  // Add -o nonempty to argv so FUSE won't complain about overlaying.
+  char hyphen_o[] = "-o";
+  char nonempty[] = "nonempty";
+  std::vector<char*> new_argv(argv, argv + argc);
+  new_argv.emplace_back(hyphen_o);
+  new_argv.emplace_back(nonempty);
+  return fuse_main(new_argv.size(), new_argv.data(), &operations, nullptr);
+}