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-rw-r--r--src/libutil/archive.hh2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libutil/archive.hh b/src/libutil/archive.hh
index 25be426c1..768fe2536 100644
--- a/src/libutil/archive.hh
+++ b/src/libutil/archive.hh
@@ -77,6 +77,8 @@ void restorePath(const Path & path, Source & source);
/* Read a NAR from 'source' and write it to 'sink'. */
void copyNAR(Source & source, Sink & sink);
+void copyPath(const Path & from, const Path & to);
+
extern const std::string narVersionMagic1;