1 files changed, 32 insertions, 2 deletions
diff --git a/src/base/fs_util.hh b/src/base/fs_util.hh
index b9253ff..7553075 100644
--- a/src/base/fs_util.hh
+++ b/src/base/fs_util.hh
@@ -30,6 +30,7 @@
 #ifndef lnav_fs_util_hh
 #define lnav_fs_util_hh
 
+#include <set>
 #include <string>
 #include <vector>
 
@@ -41,6 +42,14 @@
 namespace lnav {
 namespace filesystem {
 
+inline bool
+is_glob(const std::string& fn)
+{
+    return (fn.find('*') != std::string::npos
+            || fn.find('?') != std::string::npos
+            || fn.find('[') != std::string::npos);
+}
+
 inline int
 statp(const ghc::filesystem::path& path, struct stat* buf)
 {
@@ -59,6 +68,9 @@ openp(const ghc::filesystem::path& path, int flags, mode_t mode)
     return open(path.c_str(), flags, mode);
 }
 
+Result<ghc::filesystem::path, std::string> realpath(
+    const ghc::filesystem::path& path);
+
 Result<auto_fd, std::string> create_file(const ghc::filesystem::path& path,
                                          int flags,
                                          mode_t mode);
@@ -73,8 +85,18 @@ Result<std::pair<ghc::filesystem::path, auto_fd>, std::string> open_temp_file(
 
 Result<std::string, std::string> read_file(const ghc::filesystem::path& path);
 
-Result<void, std::string> write_file(const ghc::filesystem::path& path,
-                                     const string_fragment& content);
+enum class write_file_options {
+    backup_existing,
+};
+
+struct write_file_result {
+    nonstd::optional<ghc::filesystem::path> wfr_backup_path;
+};
+
+Result<write_file_result, std::string> write_file(
+    const ghc::filesystem::path& path,
+    const string_fragment& content,
+    std::set<write_file_options> options = {});
 
 std::string build_path(const std::vector<ghc::filesystem::path>& paths);
 
@@ -119,4 +141,12 @@ public:
 }  // namespace filesystem
 }  // namespace lnav
 
+namespace fmt {
+template<>
+struct formatter<ghc::filesystem::path> : formatter<string_view> {
+    auto format(const ghc::filesystem::path& p, format_context& ctx)
+        -> decltype(ctx.out()) const;
+};
+}  // namespace fmt
+
 #endif