Re: [RFC PATCH] test: add devel/test-in-docker.sh

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+From: Tomi Ollila <tomi.ollila@iki.fi>\r
+To: notmuch@notmuchmail.org\r
+Subject: Re: [RFC PATCH] test: add devel/test-in-docker.sh\r
+In-Reply-To: <1471381671-21134-1-git-send-email-tomi.ollila@iki.fi>\r
+References: <1471381671-21134-1-git-send-email-tomi.ollila@iki.fi>\r
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+Date: Fri, 19 Aug 2016 16:50:20 +0300\r
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+On Wed, Aug 17 2016, Tomi Ollila <tomi.ollila@iki.fi> wrote:\r
+\r
+> With this user can try and test notmuch in docker container,\r
+> in fixed environment where it should compile and tests should pass...\r
+>\r
+> Currently provided container environments are Debian 8.5 and\r
+> Ubuntu 16.04 based. Host OS could be any Linux environment with\r
+> modern enough docker; Perhaps this works on macOS (with docker 1.12+)\r
+> too (in Windows this script probably fails).\r
+> ---\r
+>\r
+> Currently quite a few tests FAIL -- due to missing prerequisite tests.\r
+> It would be easy to add some packages, like gdb, emacs(-nox), dtach,\r
+> but I left those out just to tease you >;)\r
+>\r
+\r
+There are 2 problems in this script\r
+\r
+1) If the initial docker images (ubuntu:16.04 or debian:8.5) are not\r
+   pulled before docker build started, using sha256 hash of the docker\r
+   image doesn't work as the initial image where to start building on.\r
+\r
+2) Surprisingly(*) ubuntu:16.03 sha256 has changed from\r
+   42118e3df429f09ca581a9deb3df274601930e428e452f7e4e9f1833c56a100a to \r
+   f8d79ba03c00bbcd8079cf05b7526ac8f4f422744aad8c3747a29a38ed8c4a41\r
+   between 2016-08-15 (mon) and 2016-08-19 (fri).\r
+\r
+So, currently `docker pull debian:8.5` and then\r
+`./test-in-docker debian8` should work. If ubuntu:16.04 was pulled early\r
+enough `./test-in-docker ubuntu1604` would work (too).\r
+\r
+The next version (which I probably do sometime in distant future, when I\r
+have time to enchange tests (before that I try to do some reviews!)) will\r
+probably work the opposite way -- use name:tag as source and after build\r
+spit a (friendly) WARNING if the hash of the initial image has changed\r
+in-between.\r
+\r
+\r
+(*) or perhaps not so surprisingly -- anyway it is unfortunate that these\r
+images are not so ephemeral as one would wish for...\r
+\r
+\r
+Tomi\r