From f4d00a8018d5def951f9cf26bfb5e6d03f60d3ca Mon Sep 17 00:00:00 2001
From: isanae <14251494+isanae@users.noreply.github.com>
Date: Thu, 7 May 2020 12:12:40 -0400
Subject: [PATCH] lz4 prebuilt

---
 mob.ini             |  1 +
 src/conf.cpp        |  5 +++--
 src/tasks/boost.cpp |  5 +----
 src/tasks/lz4.cpp   | 47 +++++++++++++++++++++++++++++++++++++++++++--
 src/tasks/tasks.h   |  8 ++++++++
 src/tools/git.cpp   |  5 -----
 src/tools/tools.h   |  3 ---
 src/utility.cpp     | 13 +++++++++++++
 src/utility.h       |  4 ++++
 9 files changed, 75 insertions(+), 16 deletions(-)

diff --git a/mob.ini b/mob.ini
index cc3c826..6e2dedc 100644
--- a/mob.ini
+++ b/mob.ini
@@ -17,6 +17,7 @@ vcvars  =
 
 [prebuilt]
 boost   = true
+lz4     = true
 
 [versions]
 vs           = 16
diff --git a/src/conf.cpp b/src/conf.cpp
index d233469..723da4f 100644
--- a/src/conf.cpp
+++ b/src/conf.cpp
@@ -44,7 +44,8 @@ static path_map g_tools =
 
 static bool_map g_prebuilt =
 {
-	{"boost",   false}
+	{"boost",   false},
+	{"lz4",     false}
 };
 
 static string_map g_versions =
@@ -188,7 +189,7 @@ namespace tools
 
 	fs::path vs::installation_path()  { return paths::by_name("vs"); }
 	fs::path vs::vswhere()            { return tool_by_name("vswhere"); }
-	fs::path vs::vcvars() 			  { return tool_by_name("vsvars"); }
+	fs::path vs::vcvars() 			  { return tool_by_name("vcvars"); }
 	std::string vs::version() 		  { return versions::by_name("vs"); }
 	std::string vs::year() 			  { return versions::by_name("vs_year"); }
 	std::string vs::toolset() 		  { return versions::by_name("vs_toolset"); }
diff --git a/src/tasks/boost.cpp b/src/tasks/boost.cpp
index b3d731d..0d9c4a0 100644
--- a/src/tasks/boost.cpp
+++ b/src/tasks/boost.cpp
@@ -211,10 +211,7 @@ fs::path boost::config_jam_file()
 url boost::prebuilt_url()
 {
 	const auto underscores = replace_all(version(), ".", "_");
-
-	return
-		"https://github.com/ModOrganizer2/modorganizer-umbrella/"
-		"releases/download/1.1/boost_prebuilt_" + underscores + ".7z";
+	return make_prebuilt_url("boost_prebuilt_" + underscores + ".7z");
 }
 
 url boost::source_url()
diff --git a/src/tasks/lz4.cpp b/src/tasks/lz4.cpp
index 0f12012..65c2227 100644
--- a/src/tasks/lz4.cpp
+++ b/src/tasks/lz4.cpp
@@ -16,7 +16,7 @@ const std::string& lz4::version()
 
 bool lz4::prebuilt()
 {
-	return false;
+	return prebuilt::by_name("lz4");
 }
 
 fs::path lz4::source_path()
@@ -30,6 +30,44 @@ void lz4::do_clean_for_rebuild()
 }
 
 void lz4::do_fetch()
+{
+	if (prebuilt())
+		fetch_prebuilt();
+	else
+		fetch_from_source();
+}
+
+void lz4::do_build_and_install()
+{
+	if (prebuilt())
+		build_and_install_prebuilt();
+	else
+		build_and_install_from_source();
+}
+
+void lz4::fetch_prebuilt()
+{
+	cx().trace(context::generic, "using prebuilt lz4");
+
+	const auto file = run_tool(downloader(prebuilt_url()));
+
+	run_tool(extractor()
+		.file(file)
+		.output(source_path()));
+}
+
+void lz4::build_and_install_prebuilt()
+{
+	op::copy_file_to_dir_if_better(cx(),
+		source_path() / "bin" / "liblz4.pdb",
+		paths::install_pdbs());
+
+	op::copy_file_to_dir_if_better(cx(),
+		source_path() / "bin" / "liblz4.dll",
+		paths::install_dlls());
+}
+
+void lz4::fetch_from_source()
 {
 	run_tool(git_clone()
 		.url(make_github_url("lz4","lz4"))
@@ -39,7 +77,7 @@ void lz4::do_fetch()
 	run_tool(devenv_upgrade(solution_file()));
 }
 
-void lz4::do_build_and_install()
+void lz4::build_and_install_from_source()
 {
 	run_tool(msbuild()
 		.solution(solution_file())
@@ -74,4 +112,9 @@ fs::path lz4::out_dir()
 	return solution_dir() / "bin" / "x64_Release";
 }
 
+url lz4::prebuilt_url()
+{
+	return make_prebuilt_url("lz4_prebuilt_" + version() + ".7z");
+}
+
 }	// namespace
diff --git a/src/tasks/tasks.h b/src/tasks/tasks.h
index 6304bf6..9125c84 100644
--- a/src/tasks/tasks.h
+++ b/src/tasks/tasks.h
@@ -241,6 +241,14 @@ private:
 	static fs::path solution_dir();
 	static fs::path solution_file();
 	static fs::path out_dir();
+
+	void fetch_prebuilt();
+	void build_and_install_prebuilt();
+
+	void fetch_from_source();
+	void build_and_install_from_source();
+
+	static url prebuilt_url();
 };
 
 
diff --git a/src/tools/git.cpp b/src/tools/git.cpp
index 6ab12e4..67104e7 100644
--- a/src/tools/git.cpp
+++ b/src/tools/git.cpp
@@ -5,11 +5,6 @@
 namespace mob
 {
 
-url make_github_url(const std::string& org, const std::string& repo)
-{
-	return "https://github.com/" + org + "/" + repo + ".git";
-}
-
 
 git_clone::git_clone()
 	: basic_process_runner("git")
diff --git a/src/tools/tools.h b/src/tools/tools.h
index 7be2165..120746d 100644
--- a/src/tools/tools.h
+++ b/src/tools/tools.h
@@ -111,9 +111,6 @@ private:
 };
 
 
-url make_github_url(const std::string& org, const std::string& repo);
-
-
 class git_clone : public basic_process_runner
 {
 public:
diff --git a/src/utility.cpp b/src/utility.cpp
index a446525..98cb277 100644
--- a/src/utility.cpp
+++ b/src/utility.cpp
@@ -9,6 +9,19 @@
 namespace mob
 {
 
+url make_github_url(const std::string& org, const std::string& repo)
+{
+	return "https://github.com/" + org + "/" + repo + ".git";
+}
+
+url make_prebuilt_url(const std::string& filename)
+{
+	return
+		"https://github.com/ModOrganizer2/modorganizer-umbrella/"
+		"releases/download/1.1/" + filename;
+}
+
+
 std::string replace_all(
 	std::string s, const std::string& from, const std::string& to)
 {
diff --git a/src/utility.h b/src/utility.h
index 91eb859..3f45d47 100644
--- a/src/utility.h
+++ b/src/utility.h
@@ -9,6 +9,7 @@ namespace mob
 
 
 class context;
+class url;
 
 class bailed
 {
@@ -162,6 +163,9 @@ private:
 };
 
 
+url make_github_url(const std::string& org, const std::string& repo);
+url make_prebuilt_url(const std::string& filename);
+
 std::string replace_all(
 	std::string s, const std::string& from, const std::string& to);