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[Bug 1049186] New: python-3.6 packages do not build reproducibly
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Tue, 18 Jul 2017 13:33:31 +0000
  • Message-id: <bug-1049186-21960@http.bugzilla.opensuse.org/>
http://bugzilla.opensuse.org/show_bug.cgi?id=1049186


Bug ID: 1049186
Summary: python-3.6 packages do not build reproducibly
Classification: openSUSE
Product: openSUSE Tumbleweed
Version: Current
Hardware: x86-64
OS: SUSE Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Other
Assignee: bnc-team-screening@xxxxxxxxxxxxxxxxxxxxxx
Reporter: bwiedemann@xxxxxxxx
QA Contact: qa-bugs@xxxxxxx
CC: jmatejek@xxxxxxxx
Found By: Development
Blocker: ---

e.g. python-simplejson has one-bit diffs in .pyc files
See
http://rb.zq1.de/compare.factory-20170713/python-simplejson-compare.out


in python3-simplejson.rpm we get
-00004e50 68 6f 72 5f 5f da 07 64 65 63 69 6d 61 6c 72 0c |hor__..decimalr.|
+00004e50 68 6f 72 5f 5f 5a 07 64 65 63 69 6d 61 6c 72 0c |hor__Z.decimalr.|

in python3-simplejson-test.rpm we get the opposite change
-00000580 72 13 00 00 00 5a 07 64 65 63 69 6d 61 6c 72 03 |r....Z.decimalr.|
+00000580 72 13 00 00 00 da 07 64 65 63 69 6d 61 6c 72 03 |r......decimalr.|


and it seems to be related to filesystem ordering, since it built reproducibly
when using a filesystem with sorted readdir
using disorderfs via reproducible-faketools-filesys from
https://build.opensuse.org/package/show/home:bmwiedemann:reproducible/reproducible-faketools

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