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[Qemu-devel] [PATCH v3 3/5] tests/docker/docker.py: check and run .pre s

From: Alex Bennée
Subject: [Qemu-devel] [PATCH v3 3/5] tests/docker/docker.py: check and run .pre script
Date: Tue, 28 Jun 2016 16:42:42 +0100

The docker script will now search for an associated $dockerfile.pre
script which gets run in the same build context as the dockerfile will
be. This is to support pre-seeding the build context before running the
docker build.

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

  - new for v3, split from previous patch
  - use check_call when running the pre-script
 tests/docker/docker.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/docker/docker.py b/tests/docker/docker.py
index 96d906e..244901d 100755
--- a/tests/docker/docker.py
+++ b/tests/docker/docker.py
@@ -221,6 +221,12 @@ class BuildCommand(SubCommand):
             # Create a docker context directory for the build
             docker_dir = tempfile.mkdtemp(prefix="docker_build")
+            # Is there a .pre file to run in the build context?
+            docker_pre = os.path.splitext(args.dockerfile)[0]+".pre"
+            if os.path.exists(docker_pre):
+                subprocess.check_call(os.path.realpath(docker_pre),
+                                      cwd=docker_dir)
             # Do we include a extra binary?
             if args.include_executable:

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