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bitbake: bitbake-diffsigs: break on first dependent task difference

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compare_sigfiles() recursively calculates differences on all dependent
tasks with changed hashes. This is done in arbitrary/alphabetical order, and
only the last of those results is returned, while everything else is discarded.

This changes the behavior to instead return the first difference and not calculate
any more, which significantly speeds up diffs of tasks with many dependencies.

(Bitbake rev: ea6a676c9aa2864c2eff40eea41ba09ce903a651)

Signed-off-by: Adriaan Schmidt <adriaan.schmidt@siemens.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Schmidt, Adriaan
2022-05-06 14:10:33 +02:00
committed by Richard Purdie
parent 3ccfcc3fcf
commit 30cc249a8c
1 changed files with 1 additions and 0 deletions
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bitbake/lib/bb/siggen.py
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@@ -1026,6 +1026,7 @@ def compare_sigfiles(a, b, recursecb=None, color=False, collapsed=False):
# 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
break
a_taint = a_data.get('taint', None)
b_taint = b_data.get('taint', None)