This command allows you to check if we need to re-build a docker
image. If the image isn't in the repository or the checksums don't
match then we return false and some text (for processing in
makefiles).
Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
---
- fix prints to be "modern"
- PEP8 fixes
---
tests/docker/docker.py | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/tests/docker/docker.py b/tests/docker/docker.py
index 2593a12d04..3666197a16 100755
--- a/tests/docker/docker.py
+++ b/tests/docker/docker.py
@@ -442,6 +442,31 @@ class CcCommand(SubCommand):
return Docker().command("run", cmd, args.quiet)
+class CheckCommand(SubCommand):
+ """Check if we need to re-build a docker image out of a dockerfile.
+ Arguments: <tag> <dockerfile>"""
+ name = "check"
+
+ def args(self, parser):
+ parser.add_argument("tag",
+ help="Image Tag")
+ parser.add_argument("dockerfile",
+ help="Dockerfile name")
+
+ def run(self, args, argv):
+ dockerfile = open(args.dockerfile, "rb").read()
+ tag = args.tag
+
+ dkr = Docker()
+ if dkr.image_matches_dockerfile(tag, dockerfile):
+ if not args.quiet:
+ print("Image is up to date.")
+ return 0
+ else:
+ print("Image needs updating")
+ return 1
+
+
def main():
parser = argparse.ArgumentParser(description="A Docker helper",
usage="%s <subcommand> ..." % os.path.basename(sys.argv[0]))
--
2.17.1
