* bug#25016: Old build daemons lead to non-reproducible builds
@ 2016-11-24 13:09 Ludovic Courtès
2016-12-02 23:07 ` Ludovic Courtès
2017-05-04 21:51 ` Ludovic Courtès
0 siblings, 2 replies; 4+ messages in thread
From: Ludovic Courtès @ 2016-11-24 13:09 UTC (permalink / raw)
To: guix-sysadmin; +Cc: 25016
Hi!
Old versions of guix-daemon would use /tmp/nix-build-… as the build
directory name instead of /tmp/guix-build-… (commit
7a57c96a1024e6b74359ba561110f19f92b89b06), and versions prior to 0.11.0
could use a different directory prefix (.drv-0, .drv-1, etc.) whereas
current versions systematically use .drv-0 (commit
cb9601029ea164b86bdf997f7160d494c15d344b).
However, some of our build machines run old daemons, which leads to
discrepancies such has:
--8<---------------cut here---------------start------------->8---
$ wget -O - https://mirror.hydra.gnu.org/nar/3kxg1wvc1dnw9bdnp61pfc6vy14v4ikl-bash-4.4.0-include |bunzip2 |guix archive -x /tmp/foo
[…]
$ diff -ruBb /gnu/store/3kxg1wvc1dnw9bdnp61pfc6vy14v4ikl-bash-4.4.0-include /tmp/foo
diff -ruBb /gnu/store/3kxg1wvc1dnw9bdnp61pfc6vy14v4ikl-bash-4.4.0-include/lib/bash/Makefile.inc /tmp/foo/lib/bash/Makefile.inc
--- /gnu/store/3kxg1wvc1dnw9bdnp61pfc6vy14v4ikl-bash-4.4.0-include/lib/bash/Makefile.inc 1970-01-01 01:00:01.000000000 +0100
+++ /tmp/foo/lib/bash/Makefile.inc 2016-11-24 14:00:26.449665970 +0100
@@ -38,7 +38,7 @@
headersdir = $(includedir)/$(PACKAGE_NAME)
topdir = ../..
-BUILD_DIR = /tmp/guix-build-bash-4.4.0.drv-0/bash-4.4
+BUILD_DIR = /tmp/nix-build-bash-4.4.0.drv-0/bash-4.4
srcdir = .
--8<---------------cut here---------------end--------------->8---
This can lead to hash mismatches between what the narinfo claims and
what the nar actually contains (due to caching), which annoys users.
We should update all our build machines to a newer daemon.
Ludo’.
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2016-11-24 13:09 bug#25016: Old build daemons lead to non-reproducible builds Ludovic Courtès
2016-12-02 23:07 ` Ludovic Courtès
2017-05-04 21:51 ` Ludovic Courtès
2017-05-05 6:53 ` Ricardo Wurmus
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