2 files changed, 6 insertions, 2 deletions
diff --git a/pkgs/build-support/fetchsvn/builder.sh b/pkgs/build-support/fetchsvn/builder.sh
index 8153cbdf6d96..d06efa88e291 100644
--- a/pkgs/build-support/fetchsvn/builder.sh
+++ b/pkgs/build-support/fetchsvn/builder.sh
@@ -2,6 +2,10 @@ source $stdenv/setup
 
 header "exporting $url (r$rev) into $out"
 
+if test "$sshSupport"; then
+    export SVN_SSH="$openssh/bin/ssh"
+fi
+
 # Pipe the "p" character into Subversion to force it to accept the
 # server's certificate.  This is perfectly safe: we don't care
 # whether the server is being spoofed --- only the cryptographic
diff --git a/pkgs/build-support/fetchsvn/default.nix b/pkgs/build-support/fetchsvn/default.nix
index dd8f7b41f781..ff842b0ee243 100644
--- a/pkgs/build-support/fetchsvn/default.nix
+++ b/pkgs/build-support/fetchsvn/default.nix
@@ -1,4 +1,4 @@
-{stdenv, subversion, nix}: {url, rev ? "HEAD", md5}:
+{stdenv, subversion, nix, sshSupport ? false, openssh ? null}: {url, rev ? "HEAD", md5}:
 
 stdenv.mkDerivation {
   name = "svn-export";
@@ -12,5 +12,5 @@ stdenv.mkDerivation {
   outputHashMode = "recursive";
   outputHash = md5;
   
-  inherit url rev;
+  inherit url rev sshSupport openssh;
 }