Expanding ~ and variables in @include path

CMakeLists.txt

@@ -94,6 +94,7 @@ set(SOURCES_CONTROL
 set(SOURCES_COMMON
   src/common/Connection.cpp
   src/common/Connection.h
+  src/common/expand_path.h
   src/common/Filter.h
   src/common/Host.cpp
   src/common/Host.h

src/common/expand_path.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <string>
+
+#if !defined(_WIN32)
+
+#include <wordexp.h>
+
+inline std::string expand_path(std::string string) {
+  auto exp_result = wordexp_t{ };
+  wordexp(string.c_str(), &exp_result, 0);
+  string = exp_result.we_wordv[0];
+  wordfree(&exp_result);
+  return string;
+}
+
+#else // !_WIN32
+
+inline std::string expand_path(std::string string) {
+  return string;
+}
+
+#endif // !_WIN32

src/config/ParseConfig.cpp

@@ -3,6 +3,7 @@
 #include "string_iteration.h"
 #include "runtime/Key.h"
 #include "common/parse_regex.h"
+#include "common/expand_path.h"
 #include <cassert>
 #include <cctype>
 #include <istream>
@@ -260,7 +261,7 @@ void ParseConfig::parse_directive(It* it, const It end) {
   const auto ident = read_ident(it, end);
   skip_space_and_comments(it, end);
   if (ident == "include") {
-    const auto filename = read_value(it, end);
+    const auto filename = expand_path(read_value(it, end));
     auto is = std::ifstream(filename);
     if (!is.good())
       error("Opening include file '" + filename + "' failed");