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update-alternatives: Fix determinism issue

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getVarFlags returns a dict and there is therefore no sort order. This
means the order of the X_VARDEPS_X variables can change and hence the
task checksums can change. This can lead to rebuilds of any parts of
the system using update-alternatives and their dependees. This is a
particular issue under python v3.

Add in a sort to make the order of the variables deterministic.

(From OE-Core rev: ecd1bfed5534f83b775a6c79092c04bd13c3af0a)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2016-05-09 14:12:16 +01:00
parent 8a88c56968
commit f49be7e7c9
1 changed files with 2 additions and 2 deletions
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4
meta/classes/update-alternatives.bbclass
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@@ -71,14 +71,14 @@ def gen_updatealternativesvardeps(d):
# First compute them for non_pkg versions
for v in vars:
for flag in (d.getVarFlags(v) or {}):
for flag in sorted((d.getVarFlags(v) or {}).keys()):
if flag == "doc" or flag == "vardeps" or flag == "vardepsexp":
continue
d.appendVar('%s_VARDEPS' % (v), ' %s:%s' % (flag, d.getVarFlag(v, flag, False)))
for p in pkgs:
for v in vars:
for flag in (d.getVarFlags("%s_%s" % (v,p)) or {}):
for flag in sorted((d.getVarFlags("%s_%s" % (v,p)) or {}).keys()):
if flag == "doc" or flag == "vardeps" or flag == "vardepsexp":
continue
d.appendVar('%s_VARDEPS_%s' % (v,p), ' %s:%s' % (flag, d.getVarFlag('%s_%s' % (v,p), flag, False)))