* Strip off the `.nix' suffix from the attribute name for files in

  ~/.nix-defexpr,  otherwise the attribute cannot be selected with the
  `-A' option.  Useful if you want to stick a Nix expression directly
  in ~/.nix-defexpr.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/libutil/util.cc b/src/libutil/util.cc
index c28f4e1bb7b8..e541887ee0d4 100644
--- a/src/libutil/util.cc
+++ b/src/libutil/util.cc
@@ -1046,6 +1046,12 @@ bool string2Int(const string & s, long long & n)
 }
 
 
+bool hasSuffix(const string & s, const string & suffix)
+{
+    return s.size() >= suffix.size() && string(s, s.size() - suffix.size()) == suffix;
+}
+
+
 void ignoreException()
 {
     try {