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[Qemu-devel] [PULL 12/20] docker: ubuntu: Update the package list before

From: Alex Bennée
Subject: [Qemu-devel] [PULL 12/20] docker: ubuntu: Update the package list before installing new ones
Date: Tue, 3 Jul 2018 11:14:36 +0100

From: Philippe Mathieu-Daudé <address@hidden>

Since docker caches the different layers, updating the package
list does not invalidate the previous "apt-get update" layer,
and it is likely "apt-get install" hits an outdated repository.


This fixes:

  $ make docker-image-ubuntu V=1
  ./tests/docker/docker.py build qemu:ubuntu 
tests/docker/dockerfiles/ubuntu.docker   --add-current-user
  Sending build context to Docker daemon  3.072kB
  E: Failed to fetch 
  404  Not Found
  E: Failed to fetch 
  404  Not Found
  E: Unable to fetch some archives, maybe run apt-get update or try with 
  The command '/bin/sh -c apt-get -y install $PACKAGES' returned a non-zero 
code: 100
  tests/docker/Makefile.include:40: recipe for target 'docker-image-ubuntu' 
  make: *** [docker-image-ubuntu] Error 1

Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
Signed-off-by: Alex Bennée <address@hidden>

diff --git a/tests/docker/dockerfiles/ubuntu.docker 
index dabbf2a8a4..c03520ce3f 100644
--- a/tests/docker/dockerfiles/ubuntu.docker
+++ b/tests/docker/dockerfiles/ubuntu.docker
@@ -1,7 +1,6 @@
 FROM ubuntu:16.04
 RUN echo "deb http://archive.ubuntu.com/ubuntu/ trusty universe multiverse" >> 
-RUN apt-get update
 ENV PACKAGES flex bison \
     libusb-1.0-0-dev libiscsi-dev librados-dev libncurses5-dev 
libncursesw5-dev \
     libseccomp-dev libgnutls-dev libssh2-1-dev  libspice-server-dev \
@@ -13,6 +12,7 @@ ENV PACKAGES flex bison \
     libjemalloc-dev libcacard-dev libusbredirhost-dev libnfs-dev libcap-dev 
libattr1-dev \
     texinfo \
     gettext git make ccache python-yaml gcc clang sparse
-RUN apt-get -y install $PACKAGES
+RUN apt-get update && \
+    apt-get -y install $PACKAGES
 RUN dpkg -l $PACKAGES | sort > /packages.txt
 ENV FEATURES clang pyyaml

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