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-rw-r--r--guix/svn-download.scm5
1 files changed, 4 insertions, 1 deletions
diff --git a/guix/svn-download.scm b/guix/svn-download.scm
index 78b13f62a4..c6688908de 100644
--- a/guix/svn-download.scm
+++ b/guix/svn-download.scm
@@ -203,7 +203,10 @@ HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f."
#:password (getenv "svn password")))
(call-with-input-string (getenv "svn locations")
read))
- (download-nar #$output))))))
+ (begin
+ (when (file-exists? #$output)
+ (delete-file-recursively #$output))
+ (download-nar #$output)))))))
(mlet %store-monad ((guile (package->derivation guile system)))
(gexp->derivation (or name "svn-checkout") build