From 5fd290852cf64ce661afffdf3f36fff8c7be8034 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 2 Dec 2015 11:42:49 +0100
Subject: [PATCH] Do a git update before doing rev-parse

---
 mirror-nixos-branch.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mirror-nixos-branch.sh b/mirror-nixos-branch.sh
index f7b6c92..e9a440e 100755
--- a/mirror-nixos-branch.sh
+++ b/mirror-nixos-branch.sh
@@ -44,6 +44,7 @@ fi
 
 # Figure out the Git revision from which this release was
 # built. FIXME: get this from Hydra directly.
+git remote update nixpkgs >&2
 shortRev=$(echo "$release" | sed 's/.*\.//')
 rev=$(git rev-parse "$shortRev")
 echo "revision is $rev" >&2
@@ -119,7 +120,6 @@ cd "$channelsDir"
 rsync -avR . hydra-mirror@nixos.org:"$channelsDir" --delete >&2
 
 # Update the nixpkgs-channels repo.
-git remote update nixpkgs >&2
 git push nixpkgs-channels "$rev:refs/heads/$channelName" >&2
 
 echo "$releaseDir"