Add support for file expansion in prologue/epilogue files

This is similar to variable expansion ($name$) except here we detect if the
name starts with ./ or ../ and treat it as a path relative to the prologue/
epilogue file.

1 files changed, 3 insertions, 1 deletions

diff --git a/cli/generator.cxx b/cli/generator.cxx
index 486c793..5964c25 100644
--- a/cli/generator.cxx
+++ b/cli/generator.cxx
@@ -94,12 +94,14 @@ namespace
       ifstream ifs;
       open (ifs, file);
 
+      path d (path (file).directory ());
+
       // getline() will set the failbit if it failed to extract anything,
       // not even the delimiter and eofbit if it reached eof before seeing
       // the delimiter.
       //
       for (string s; getline (ifs, s); )
-        os << context::substitute (s, u) << endl;
+        os << context::substitute (s, u, &d) << endl;
     }
   }
 }