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vcpkg.exe now detects the root dir via the .vcpkg-root file

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This commit is contained in:
Alexander Karatarakis 2016-09-19 19:12:46 -07:00
parent f78c64e3a9
commit 1eb51cc427
1 changed files with 22 additions and 1 deletions
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23
toolsrc/src/main.cpp
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@ -23,6 +23,21 @@ void invalid_command(const std::string& cmd)
exit(EXIT_FAILURE);
}
static fs::path find_file_recursively_up(const fs::path& starting_dir, const std::string& filename)
{
fs::path current_dir = starting_dir;
for (; !current_dir.empty(); current_dir = current_dir.parent_path())
{
const fs::path candidate = current_dir / filename;
if (fs::exists(candidate))
{
break;
}
}
return current_dir;
}
static void inner(const vcpkg_cmd_arguments& args)
{
TrackProperty("command", args.command);
@ -47,11 +62,17 @@ static void inner(const vcpkg_cmd_arguments& args)
auto vcpkg_root_dir_env = System::wdupenv_str(L"VCPKG_ROOT");
if (!vcpkg_root_dir_env.empty())
{
vcpkg_root_dir = fs::absolute(vcpkg_root_dir_env);
}
else
vcpkg_root_dir = fs::absolute(System::get_exe_path_of_current_process()).parent_path();
{
vcpkg_root_dir = find_file_recursively_up(fs::absolute(System::get_exe_path_of_current_process()), ".vcpkg-root");
}
}
Checks::check_exit(!vcpkg_root_dir.empty(), "Error: Could not detect vcpkg-root.");
const expected<vcpkg_paths> expected_paths = vcpkg_paths::create(vcpkg_root_dir);
Checks::check_exit(!expected_paths.error_code(), "Error: Invalid vcpkg root directory %s: %s", vcpkg_root_dir.string(), expected_paths.error_code().message());
const vcpkg_paths paths = expected_paths.get_or_throw();