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-rw-r--r--pkgs/build-support/fetchhg/default.nix16
1 files changed, 16 insertions, 0 deletions
diff --git a/pkgs/build-support/fetchhg/default.nix b/pkgs/build-support/fetchhg/default.nix
new file mode 100644
index 00000000000..a7696458856
--- /dev/null
+++ b/pkgs/build-support/fetchhg/default.nix
@@ -0,0 +1,16 @@
+{stdenv, mercurial, nix}: {url, tag ? null, md5}:
+
+stdenv.mkDerivation {
+  name = "fetchdarcs";
+  builder = ./builder.sh;
+  buildInputs = [mercurial nix];
+
+  # Nix <= 0.7 compatibility.
+  id = md5;
+
+  outputHashAlgo = "md5";
+  outputHashMode = "recursive";
+  outputHash = md5;
+  
+  inherit url tag;
+}