Added tests

1 files changed, 6 insertions, 0 deletions

diff --git a/file.h b/file.h
index 80133e8..f951a27 100644
--- a/file.h
+++ b/file.h
@@ -1,6 +1,8 @@
 #pragma once
 
 #include <filesystem>
+#include <string>
+#include <vector>
 
 extern const std::filesystem::path YMakefile;
 
@@ -9,3 +11,7 @@ bool is_compile_unit_source_by_extension(const std::filesystem::path& p);
 
 // removes initial "./"
 std::filesystem::path simplified_path(const std::filesystem::path& p);
+
+std::string env_value(const std::string& key);
+bool is_executable(const std::string& file);
+std::string find_executable(const std::vector<std::string>& list);