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Date: Mon, 15 Sep 2014 17:48:10 +0100
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Subject: [Qemu-devel] [PATCH 3/4] .travis.yml: pre-seed sub-modules for speed
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To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= <alex.bennee@linaro.org>

A significant portion of the build time is spent initialising all the
sub-modules we use in the source tree. Often this is almost as long as
the build itself. By pre-seeding the .git/modules tree this will
hopefully improve things.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

diff --git a/.travis.yml b/.travis.yml
index f113339..8df02a4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -37,7 +37,12 @@ env:
     - TARGETS=unicore32-softmmu,unicore32-linux-user
     # Group remaining softmmu only targets into one build
     - TARGETS=lm32-softmmu,moxie-softmmu,tricore-softmmu,xtensa-softmmu,xtensaeb-softmmu
+git:
+  # we want to do this ourselves
+  submodules: false
 before_install:
+  - wget http://people.linaro.org/~alex.bennee/qemu-submodule-git-seed.tar.xz
+  - tar -xvf qemu-submodule-git-seed.tar.xz
   - git submodule update --init --recursive
   - sudo apt-get update -qq
   - sudo apt-get install -qq ${CORE_PKGS} ${NET_PKGS} ${GUI_PKGS} ${EXTRA_PKGS}
-- 
1.9.1