Make sure that symlinks point to the right place

[builder.git] / source / installedfile.cpp

diff --git a/source/installedfile.cpp b/source/installedfile.cpp
index 4638cc40d6cec73cdb4b9af420c3d947da385523..76e7b69456010b8dd30d233a5d4d23f384ffbb1f 100644 (file)
--- a/source/installedfile.cpp
+++ b/source/installedfile.cpp
@@ -55,8 +55,17 @@ void InstalledFile::check_rebuild()
                mark_rebuild(source.get_name()+" has changed");
        else if(source.needs_rebuild())
                mark_rebuild(source.get_name()+" needs rebuilding");
-       else if(!link.empty() && !FS::exists(link))
-               mark_rebuild("Symlink does not exist");
+       if(!needs_rebuild() && !link.empty())
+       {
+               if(!FS::exists(link))
+                       mark_rebuild("Symlink does not exist");
+               else
+               {
+                       FS::Path rel_path = FS::relative(path, FS::dirname(link));
+                       if(FS::readlink(link)!=rel_path)
+                               mark_rebuild("Symlink needs updating");
+               }
+       }
 }
 
 void InstalledFile::clean()