From 84ed16743988051b2e41cb5c66409370e6a6d5fe Mon Sep 17 00:00:00 2001
From: Alexander Karatarakis <alkarata@microsoft.com>
Date: Wed, 5 Apr 2017 14:20:49 -0700
Subject: [PATCH] Introduce `vcpkg depend-info` command

---
 toolsrc/include/vcpkg_Commands.h            |  5 +++++
 toolsrc/src/commands_available_commands.cpp |  1 +
 toolsrc/src/commands_depends.cpp            | 25 +++++++++++++++++++++
 toolsrc/vcpkglib/vcpkglib.vcxproj           |  1 +
 toolsrc/vcpkglib/vcpkglib.vcxproj.filters   |  3 +++
 5 files changed, 35 insertions(+)
 create mode 100644 toolsrc/src/commands_depends.cpp

diff --git a/toolsrc/include/vcpkg_Commands.h b/toolsrc/include/vcpkg_Commands.h
index 227c44379d..db15a10fd2 100644
--- a/toolsrc/include/vcpkg_Commands.h
+++ b/toolsrc/include/vcpkg_Commands.h
@@ -86,6 +86,11 @@ namespace vcpkg::Commands
         void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths);
     }
 
+    namespace DependInfo
+    {
+        void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths);
+    }
+
     namespace Search
     {
         void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths);
diff --git a/toolsrc/src/commands_available_commands.cpp b/toolsrc/src/commands_available_commands.cpp
index 1af82eb8ab..37d3321f88 100644
--- a/toolsrc/src/commands_available_commands.cpp
+++ b/toolsrc/src/commands_available_commands.cpp
@@ -26,6 +26,7 @@ namespace vcpkg::Commands
             {"integrate", &Integrate::perform_and_exit},
             {"owns", &Owns::perform_and_exit},
             {"update", &Update::perform_and_exit},
+            {"depend-info", &DependInfo::perform_and_exit},
             {"edit", &Edit::perform_and_exit},
             {"create", &Create::perform_and_exit},
             {"import", &Import::perform_and_exit},
diff --git a/toolsrc/src/commands_depends.cpp b/toolsrc/src/commands_depends.cpp
new file mode 100644
index 0000000000..a61ac534e9
--- /dev/null
+++ b/toolsrc/src/commands_depends.cpp
@@ -0,0 +1,25 @@
+#include "pch.h"
+#include "vcpkg_Commands.h"
+#include "vcpkg_System.h"
+#include "Paragraphs.h"
+#include "vcpkg_Strings.h"
+
+namespace vcpkg::Commands::DependInfo
+{
+    void perform_and_exit(const VcpkgCmdArguments& args, const VcpkgPaths& paths)
+    {
+        static const std::string example = Commands::Help::create_example_string(R"###(depend-info)###");
+        args.check_exact_arg_count(0, example);
+        args.check_and_get_optional_command_arguments({});
+
+        const std::vector<SourceParagraph> source_paragraphs = Paragraphs::load_all_ports(paths.ports);
+
+        for (const SourceParagraph& source_paragraph : source_paragraphs)
+        {
+            auto s = Strings::join(", ", source_paragraph.depends, [](const Dependency& d) { return d.name; });
+            System::println("%s: %s", source_paragraph.name, s);
+        }
+
+        Checks::exit_success(VCPKG_LINE_INFO);
+    }
+}
diff --git a/toolsrc/vcpkglib/vcpkglib.vcxproj b/toolsrc/vcpkglib/vcpkglib.vcxproj
index de1f05ad96..1a8dd975bb 100644
--- a/toolsrc/vcpkglib/vcpkglib.vcxproj
+++ b/toolsrc/vcpkglib/vcpkglib.vcxproj
@@ -185,6 +185,7 @@
     <ClCompile Include="..\include\VersionT.cpp" />
     <ClCompile Include="..\src\BinaryParagraph.cpp" />
     <ClCompile Include="..\src\commands_ci.cpp" />
+    <ClCompile Include="..\src\commands_depends.cpp" />
     <ClCompile Include="..\src\commands_env.cpp" />
     <ClCompile Include="..\src\LineInfo.cpp" />
     <ClCompile Include="..\src\ParagraphParseResult.cpp" />
diff --git a/toolsrc/vcpkglib/vcpkglib.vcxproj.filters b/toolsrc/vcpkglib/vcpkglib.vcxproj.filters
index 909681fd52..b51958c57c 100644
--- a/toolsrc/vcpkglib/vcpkglib.vcxproj.filters
+++ b/toolsrc/vcpkglib/vcpkglib.vcxproj.filters
@@ -180,6 +180,9 @@
     <ClCompile Include="..\src\VcpkgPaths.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\commands_depends.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\include\SourceParagraph.h">