From 0042316c4b57cf91ded8e474a8dda354340e7381 Mon Sep 17 00:00:00 2001
From: Alexander Karatarakis <alkarata@microsoft.com>
Date: Tue, 29 Nov 2016 18:08:53 -0800
Subject: Introduce filesystem_fs.h

---
 toolsrc/include/BuildInfo.h            |  2 --
 toolsrc/include/Paragraphs.h           |  3 +--
 toolsrc/include/coff_file_reader.h     |  4 +---
 toolsrc/include/filesystem_fs.h        |  5 +++++
 toolsrc/include/vcpkg.h                |  3 ---
 toolsrc/include/vcpkg_Files.h          | 10 ++++------
 toolsrc/include/vcpkg_System.h         |  5 ++---
 toolsrc/include/vcpkg_paths.h          |  4 +---
 toolsrc/src/commands_hash.cpp          |  2 --
 toolsrc/src/commands_search.cpp        |  2 --
 toolsrc/src/metrics.cpp                |  4 +---
 toolsrc/src/post_build_lint.cpp        |  3 ---
 toolsrc/src/vcpkg.cpp                  |  1 -
 toolsrc/src/vcpkg_Files.cpp            |  3 ---
 toolsrc/src/vcpkg_System.cpp           |  2 --
 toolsrc/src/vcpkg_metrics_uploader.cpp |  2 --
 toolsrc/src/vcpkg_paths.cpp            |  1 -
 toolsrc/vcpkg/vcpkg.vcxproj            |  1 +
 toolsrc/vcpkg/vcpkg.vcxproj.filters    |  3 +++
 19 files changed, 19 insertions(+), 41 deletions(-)
 create mode 100644 toolsrc/include/filesystem_fs.h

diff --git a/toolsrc/include/BuildInfo.h b/toolsrc/include/BuildInfo.h
index 7c654d9c7..9f872385e 100644
--- a/toolsrc/include/BuildInfo.h
+++ b/toolsrc/include/BuildInfo.h
@@ -4,8 +4,6 @@
 #include "Paragraphs.h"
 #include <regex>
 
-namespace fs = std::tr2::sys;
-
 namespace vcpkg { namespace PostBuildLint
 {
     enum class LinkageType
diff --git a/toolsrc/include/Paragraphs.h b/toolsrc/include/Paragraphs.h
index 22aaefe98..9e9fafe49 100644
--- a/toolsrc/include/Paragraphs.h
+++ b/toolsrc/include/Paragraphs.h
@@ -1,11 +1,10 @@
 #pragma once
 
-#include <filesystem>
+#include "filesystem_fs.h"
 #include <unordered_map>
 
 namespace vcpkg { namespace Paragraphs
 {
-    namespace fs = std::tr2::sys;
     std::vector<std::unordered_map<std::string, std::string>> get_paragraphs(const fs::path& control_path);
     std::vector<std::unordered_map<std::string, std::string>> parse_paragraphs(const std::string& str);
 }}
diff --git a/toolsrc/include/coff_file_reader.h b/toolsrc/include/coff_file_reader.h
index 81f107f10..1a9a071ef 100644
--- a/toolsrc/include/coff_file_reader.h
+++ b/toolsrc/include/coff_file_reader.h
@@ -1,12 +1,10 @@
 #pragma once
 #include <vector>
 #include "MachineType.h"
-#include <filesystem>
+#include "filesystem_fs.h"
 
 namespace vcpkg {namespace COFFFileReader
 {
-    namespace fs = std::tr2::sys;
-
     struct dll_info
     {
         MachineType machine_type;
diff --git a/toolsrc/include/filesystem_fs.h b/toolsrc/include/filesystem_fs.h
new file mode 100644
index 000000000..ece485c23
--- /dev/null
+++ b/toolsrc/include/filesystem_fs.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#include <filesystem>
+
+namespace fs = std::tr2::sys;
\ No newline at end of file
diff --git a/toolsrc/include/vcpkg.h b/toolsrc/include/vcpkg.h
index 81b4d45ba..832fb1920 100644
--- a/toolsrc/include/vcpkg.h
+++ b/toolsrc/include/vcpkg.h
@@ -1,6 +1,5 @@
 #pragma once
 
-#include <filesystem>
 #include "package_spec.h"
 #include "BinaryParagraph.h"
 #include "StatusParagraphs.h"
@@ -8,8 +7,6 @@
 
 namespace vcpkg
 {
-    namespace fs = std::tr2::sys;
-
     extern bool g_do_dry_run;
 
     StatusParagraphs database_load_check(const vcpkg_paths& paths);
diff --git a/toolsrc/include/vcpkg_Files.h b/toolsrc/include/vcpkg_Files.h
index 8ed1eabe1..aa25d8333 100644
--- a/toolsrc/include/vcpkg_Files.h
+++ b/toolsrc/include/vcpkg_Files.h
@@ -1,22 +1,20 @@
 #pragma once
 
 #include "expected.h"
-#include <filesystem>
+#include "filesystem_fs.h"
 #include <iterator>
 
 namespace vcpkg {namespace Files
 {
-    namespace fs = std::tr2::sys;
-
     static const char* FILESYSTEM_INVALID_CHARACTERS = R"(\/:*?"<>|)";
 
-    void check_is_directory(const std::tr2::sys::path& dirpath);
+    void check_is_directory(const fs::path& dirpath);
 
     bool has_invalid_chars_for_filesystem(const std::string s);
 
-    expected<std::string> get_contents(const std::tr2::sys::path& file_path) noexcept;
+    expected<std::string> get_contents(const fs::path& file_path) noexcept;
 
-    std::tr2::sys::path find_file_recursively_up(const std::tr2::sys::path& starting_dir, const std::string& filename);
+    fs::path find_file_recursively_up(const fs::path& starting_dir, const std::string& filename);
 
     template <class Pred>
     void non_recursive_find_matching_paths_in_dir(const fs::path& dir, const Pred predicate, std::vector<fs::path>* output)
diff --git a/toolsrc/include/vcpkg_System.h b/toolsrc/include/vcpkg_System.h
index c420464c1..e059bde0a 100644
--- a/toolsrc/include/vcpkg_System.h
+++ b/toolsrc/include/vcpkg_System.h
@@ -1,12 +1,11 @@
 #pragma once
 
 #include "vcpkg_Strings.h"
-
-#include <filesystem>
+#include "filesystem_fs.h"
 
 namespace vcpkg {namespace System
 {
-    std::tr2::sys::path get_exe_path_of_current_process();
+    fs::path get_exe_path_of_current_process();
 
     struct exit_code_and_output
     {
diff --git a/toolsrc/include/vcpkg_paths.h b/toolsrc/include/vcpkg_paths.h
index 2dc9c7636..a2932070d 100644
--- a/toolsrc/include/vcpkg_paths.h
+++ b/toolsrc/include/vcpkg_paths.h
@@ -1,13 +1,11 @@
 #pragma once
-#include <filesystem>
+#include "filesystem_fs.h"
 #include "expected.h"
 #include "package_spec.h"
 #include "BinaryParagraph.h"
 
 namespace vcpkg
 {
-    namespace fs = std::tr2::sys;
-
     struct vcpkg_paths
     {
         static expected<vcpkg_paths> create(const fs::path& vcpkg_root_dir);
diff --git a/toolsrc/src/commands_hash.cpp b/toolsrc/src/commands_hash.cpp
index 4b89f2894..17c191b78 100644
--- a/toolsrc/src/commands_hash.cpp
+++ b/toolsrc/src/commands_hash.cpp
@@ -1,8 +1,6 @@
 #include "vcpkg_Commands.h"
 #include "vcpkg_System.h"
 
-namespace fs = std::tr2::sys;
-
 namespace vcpkg
 {
     static void do_file_hash(fs::path const& path, std::wstring const& hashType)
diff --git a/toolsrc/src/commands_search.cpp b/toolsrc/src/commands_search.cpp
index 923368252..a604c5383 100644
--- a/toolsrc/src/commands_search.cpp
+++ b/toolsrc/src/commands_search.cpp
@@ -4,8 +4,6 @@
 #include "vcpkglib_helpers.h"
 #include "SourceParagraph.h"
 
-namespace fs = std::tr2::sys;
-
 namespace vcpkg
 {
     static std::vector<SourceParagraph> read_all_source_paragraphs(const vcpkg_paths& paths)
diff --git a/toolsrc/src/metrics.cpp b/toolsrc/src/metrics.cpp
index ada065fd6..23962bcfe 100644
--- a/toolsrc/src/metrics.cpp
+++ b/toolsrc/src/metrics.cpp
@@ -10,12 +10,10 @@
 #include <Windows.h>
 #include <winhttp.h>
 #include <fstream>
-#include <filesystem>
+#include "filesystem_fs.h"
 #include "vcpkg_Strings.h"
 #include "vcpkg_System.h"
 
-namespace fs = std::tr2::sys;
-
 namespace vcpkg
 {
     static std::string GetCurrentDateTime()
diff --git a/toolsrc/src/post_build_lint.cpp b/toolsrc/src/post_build_lint.cpp
index 61fbba52a..1a09c99b7 100644
--- a/toolsrc/src/post_build_lint.cpp
+++ b/toolsrc/src/post_build_lint.cpp
@@ -1,4 +1,3 @@
-#include <filesystem>
 #include "vcpkg_paths.h"
 #include "package_spec.h"
 #include "vcpkg_Files.h"
@@ -8,8 +7,6 @@
 #include "BuildInfo.h"
 #include <regex>
 
-namespace fs = std::tr2::sys;
-
 namespace vcpkg { namespace PostBuildLint
 {
     enum class lint_status
diff --git a/toolsrc/src/vcpkg.cpp b/toolsrc/src/vcpkg.cpp
index b1fe76982..4b65ea972 100644
--- a/toolsrc/src/vcpkg.cpp
+++ b/toolsrc/src/vcpkg.cpp
@@ -6,7 +6,6 @@
 #include <string>
 #include <unordered_map>
 #include <memory>
-#include <filesystem>
 #include <vector>
 #include <cassert>
 #include "vcpkg_Files.h"
diff --git a/toolsrc/src/vcpkg_Files.cpp b/toolsrc/src/vcpkg_Files.cpp
index 86e7080e4..b86edb4ab 100644
--- a/toolsrc/src/vcpkg_Files.cpp
+++ b/toolsrc/src/vcpkg_Files.cpp
@@ -1,10 +1,7 @@
 #include "vcpkg_Files.h"
 #include <fstream>
-#include <filesystem>
 #include <regex>
 
-namespace fs = std::tr2::sys;
-
 namespace vcpkg {namespace Files
 {
     static const std::regex FILESYSTEM_INVALID_CHARACTERS_REGEX = std::regex(R"([\/:*?"<>|])");
diff --git a/toolsrc/src/vcpkg_System.cpp b/toolsrc/src/vcpkg_System.cpp
index cc7080069..cb3eb6584 100644
--- a/toolsrc/src/vcpkg_System.cpp
+++ b/toolsrc/src/vcpkg_System.cpp
@@ -3,8 +3,6 @@
 #include <Windows.h>
 #include <regex>
 
-namespace fs = std::tr2::sys;
-
 namespace vcpkg {namespace System
 {
     fs::path get_exe_path_of_current_process()
diff --git a/toolsrc/src/vcpkg_metrics_uploader.cpp b/toolsrc/src/vcpkg_metrics_uploader.cpp
index f1f4a52ed..63668d1d7 100644
--- a/toolsrc/src/vcpkg_metrics_uploader.cpp
+++ b/toolsrc/src/vcpkg_metrics_uploader.cpp
@@ -1,10 +1,8 @@
 #include "metrics.h"
-#include <filesystem>
 #include "vcpkg_Checks.h"
 #include "vcpkg_Files.h"
 #include <Windows.h>
 
-namespace fs = std::tr2::sys;
 using namespace vcpkg;
 
 int WINAPI
diff --git a/toolsrc/src/vcpkg_paths.cpp b/toolsrc/src/vcpkg_paths.cpp
index 5347b79d8..b7e716307 100644
--- a/toolsrc/src/vcpkg_paths.cpp
+++ b/toolsrc/src/vcpkg_paths.cpp
@@ -1,4 +1,3 @@
-#include <filesystem>
 #include "expected.h"
 #include "vcpkg_paths.h"
 #include "metrics.h"
diff --git a/toolsrc/vcpkg/vcpkg.vcxproj b/toolsrc/vcpkg/vcpkg.vcxproj
index 9d9022229..7fab309d3 100644
--- a/toolsrc/vcpkg/vcpkg.vcxproj
+++ b/toolsrc/vcpkg/vcpkg.vcxproj
@@ -154,6 +154,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\include\coff_file_reader.h" />
+    <ClInclude Include="..\include\filesystem_fs.h" />
     <ClInclude Include="..\include\MachineType.h" />
     <ClInclude Include="..\include\vcpkg_cmd_arguments.h" />
     <ClInclude Include="..\include\vcpkg_Commands.h" />
diff --git a/toolsrc/vcpkg/vcpkg.vcxproj.filters b/toolsrc/vcpkg/vcpkg.vcxproj.filters
index 568850787..cfbb17a22 100644
--- a/toolsrc/vcpkg/vcpkg.vcxproj.filters
+++ b/toolsrc/vcpkg/vcpkg.vcxproj.filters
@@ -110,5 +110,8 @@
     <ClInclude Include="..\include\MachineType.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\include\filesystem_fs.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file
-- 
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