From ae6ca87221cf71fc217bff65f0df0808da17a047 Mon Sep 17 00:00:00 2001
From: lukka <681992+lukka@users.noreply.github.com>
Date: Thu, 1 Aug 2019 17:48:22 -0700
Subject:  - remove trailing \r when parsing response file that might have
 Windows line endings; (#7491)

- when an option is not recognized (perhaps because it has trailing whitespace characters), print it out enclosed with single quote to delimit and highlight potenatial not printable characters.
---
 toolsrc/src/vcpkg/base/files.cpp        | 4 ++++
 toolsrc/src/vcpkg/vcpkgcmdarguments.cpp | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

(limited to 'toolsrc/src')

diff --git a/toolsrc/src/vcpkg/base/files.cpp b/toolsrc/src/vcpkg/base/files.cpp
index 4a5d3caf1..4446042f1 100644
--- a/toolsrc/src/vcpkg/base/files.cpp
+++ b/toolsrc/src/vcpkg/base/files.cpp
@@ -202,6 +202,10 @@ namespace vcpkg::Files
             std::string line;
             while (std::getline(file_stream, line))
             {
+                // Remove the trailing \r to accomodate Windows line endings.
+                if ((!line.empty()) && (line.back() == '\r'))
+                    line.pop_back();
+
                 output.push_back(line);
             }
             file_stream.close();
diff --git a/toolsrc/src/vcpkg/vcpkgcmdarguments.cpp b/toolsrc/src/vcpkg/vcpkgcmdarguments.cpp
index 7a28fb571..452c7ca19 100644
--- a/toolsrc/src/vcpkg/vcpkgcmdarguments.cpp
+++ b/toolsrc/src/vcpkg/vcpkgcmdarguments.cpp
@@ -389,7 +389,7 @@ namespace vcpkg
             System::printf(System::Color::error, "Unknown option(s) for command '%s':\n", this->command);
             for (auto&& option : options_copy)
             {
-                System::print2("    ", option.first, "\n");
+                System::print2("    '", option.first, "'\n");
             }
             System::print2("\n");
             failed = true;
-- 
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