From d7ac5cd0142093d0230aaec49e0d613ff6af0bc7 Mon Sep 17 00:00:00 2001
From: Rob Vermaas <rob.vermaas@gmail.com>
Date: Mon, 11 Apr 2011 12:24:57 +0000
Subject: [PATCH] nix-prefetch-hg: if url is local file, do not make clone, but
 run hg archive on it

svn path=/nixpkgs/trunk/; revision=26779
---
 pkgs/build-support/fetchhg/nix-prefetch-hg | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/build-support/fetchhg/nix-prefetch-hg b/pkgs/build-support/fetchhg/nix-prefetch-hg
index b2711392acc..55501f41bbe 100755
--- a/pkgs/build-support/fetchhg/nix-prefetch-hg
+++ b/pkgs/build-support/fetchhg/nix-prefetch-hg
@@ -36,14 +36,18 @@ fi
 if test -z "$finalPath"; then
 
     tmpPath=/tmp/hg-checkout-tmp-$$
-    tmpClone=$tmpPath/hg-clone
     tmpArchive=$tmpPath/hg-archive
     mkdir $tmpPath
 
     trap "rm -rf $tmpPath" EXIT
 
     # Perform the checkout.
-    hg clone -q -y -U "$url" $tmpClone >&2
+    if [[ $url != /* ]]; then
+      tmpClone=$tmpPath/hg-clone
+      hg clone -q -y -U "$url" $tmpClone >&2
+    else
+      tmpClone=$url
+    fi
     hg archive -q -y -r "$rev" --cwd $tmpClone $tmpArchive