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[v3,3/4] .travis.yml: pre-seed sub-modules for speed

Message ID 1411756299-15428-4-git-send-email-alex.bennee@linaro.org
State Accepted
Commit cb021cfee772c916bf73f43010c6c299c3d91800
Headers show

Commit Message

Alex Bennée Sept. 26, 2014, 6:31 p.m. UTC 
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>
Reviewed-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Brian Jackson <iggy@theiggy.com>

---
v2
  - use wget -O - | tar as suggested by agraf
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Patch

diff --git a/.travis.yml b/.travis.yml
index 57cb95e..e927da2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -37,7 +37,11 @@  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 -O - http://people.linaro.org/~alex.bennee/qemu-submodule-git-seed.tar.xz | tar -xvJ
   - git submodule update --init --recursive
   - sudo apt-get update -qq
   - sudo apt-get install -qq ${CORE_PKGS} ${NET_PKGS} ${GUI_PKGS} ${EXTRA_PKGS}