From 9383cd0a48fdc0cc04cbde2e939edb0294ab4f40 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Fri, 26 Sep 2008 08:57:51 +0000
Subject: [PATCH] Add `fetchbzr', to retrieve remote Bazaar repositories.

svn path=/nixpkgs/trunk/; revision=12924
---
 pkgs/build-support/fetchbzr/builder.sh  |  9 +++++++++
 pkgs/build-support/fetchbzr/default.nix | 15 +++++++++++++++
 pkgs/top-level/all-packages.nix         |  4 ++++
 3 files changed, 28 insertions(+)
 create mode 100644 pkgs/build-support/fetchbzr/builder.sh
 create mode 100644 pkgs/build-support/fetchbzr/default.nix

diff --git a/pkgs/build-support/fetchbzr/builder.sh b/pkgs/build-support/fetchbzr/builder.sh
new file mode 100644
index 00000000000..88aab7891b4
--- /dev/null
+++ b/pkgs/build-support/fetchbzr/builder.sh
@@ -0,0 +1,9 @@
+source "$stdenv/setup"
+
+header "exporting \`$url' (revision $revision) into \`$out'"
+
+# Perform a lightweight checkout so that we don't end up importing
+# all the repository's history.
+bzr checkout --lightweight "$url" -r "$revision" "$out"
+
+stopNest
diff --git a/pkgs/build-support/fetchbzr/default.nix b/pkgs/build-support/fetchbzr/default.nix
new file mode 100644
index 00000000000..721250beeb3
--- /dev/null
+++ b/pkgs/build-support/fetchbzr/default.nix
@@ -0,0 +1,15 @@
+{ stdenv, bazaar }: 
+{ url, revision, sha256 }:
+
+stdenv.mkDerivation {
+  name = "bzr-export";
+
+  builder = ./builder.sh;
+  buildInputs = [ bazaar ];
+
+  outputHashAlgo = "sha256";
+  outputHashMode = "recursive";
+  outputHash = sha256;
+  
+  inherit url revision;
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7a068b4317b..c329fb1690c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -353,6 +353,10 @@ let
     inherit fetchurl stdenv;
   };
 
+  fetchbzr = import ../build-support/fetchbzr {
+    inherit stdenv bazaar;
+  };
+
   fetchcvs = import ../build-support/fetchcvs {
     inherit stdenv cvs;
   };