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bitbake: lib/bb/siggen: add collapsed mode to compare_sigfiles() 

If we just want to drill down to the actual differences then we don't
need to see certain things in the output, e.g. basehash changing or the
signature of dependent tasks. This will be used for comparing signatures
within buildhistory-diff in OE-Core; the default mode as used by
bitbake-diffsigs and bitbake -S printdiff remains unchanged for the
moment.

(Bitbake rev: 6543a59b1ebd3194a7c6421cffc66ebe31a67c62)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Paul Eggleton 2017-04-07 09:52:09 +12:00 committed by Richard Purdie
parent f79a969c3a
commit 5d8b89fc0b
1 changed files with 28 additions and 23 deletions
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13
bitbake/lib/bb/siggen.py
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@ -375,7 +375,7 @@ def clean_basepaths_list(a):
b.append(clean_basepath(x))
return b
def compare_sigfiles(a, b, recursecb = None):
def compare_sigfiles(a, b, recursecb=None, collapsed=False):
output = []
with open(a, 'rb') as f:
@ -443,7 +443,7 @@ def compare_sigfiles(a, b, recursecb = None):
if a_data['taskdeps'] != b_data['taskdeps']:
output.append("Task dependencies changed from:\n%s\nto:\n%s" % (sorted(a_data['taskdeps']), sorted(b_data['taskdeps'])))
if a_data['basehash'] != b_data['basehash']:
if a_data['basehash'] != b_data['basehash'] and not collapsed:
output.append("basehash changed from %s to %s" % (a_data['basehash'], b_data['basehash']))
changed, added, removed = dict_diff(a_data['gendeps'], b_data['gendeps'], a_data['basewhitelist'] & b_data['basewhitelist'])
@ -495,6 +495,7 @@ def compare_sigfiles(a, b, recursecb = None):
if not 'runtaskdeps' in b_data:
b_data['runtaskdeps'] = {}
if not collapsed:
if len(a_data['runtaskdeps']) != len(b_data['runtaskdeps']):
changed = ["Number of task dependencies changed"]
else:
@ -540,12 +541,16 @@ def compare_sigfiles(a, b, recursecb = None):
output.append("Dependency on task %s was removed with hash %s" % (clean_basepath(dep), a[dep]))
if changed:
for dep in changed:
if not collapsed:
output.append("Hash for dependent task %s changed from %s to %s" % (clean_basepath(dep), a[dep], b[dep]))
if callable(recursecb):
# If a dependent hash changed, might as well print the line above and then defer to the changes in
# that hash since in all likelyhood, they're the same changes this task also saw.
recout = recursecb(dep, a[dep], b[dep])
if recout:
if collapsed:
output.extend(recout)
else:
# If a dependent hash changed, might as well print the line above and then defer to the changes in
# that hash since in all likelyhood, they're the same changes this task also saw.
output = [output[-1]] + recout
a_taint = a_data.get('taint', None)