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bitbake: utils.py: get_file_layer(): Exit the loop when file is matched

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This can make "$ bitbake-layers show-recipes" save about 60% time (14min ->
6min) in my build (more than 3000 recipes)

The command "bitbake-layers show-recipes" calls bb.utils.get_file_layer() with
each recipe, and get_file_layer() compare the file with each item in BBFILES
which makes it very time consuming when there are a lot of recipes and items in
BBFILES. So use BBFILES_PRIORITIZED and exit when file is matched, it doesn't
make sense to go on the loop when file is matched.

And use fnmatchcase to replace of fnmatch since the comparison should be
case-sensitive.

(Bitbake rev: 8d64181d29dc262e066a6114dd51e5f2d04f47de)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Robert Yang
2020-09-09 04:55:19 -07:00
committed by Richard Purdie
parent a74fb2b306
commit f543535e3c
1 changed files with 3 additions and 2 deletions
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5
bitbake/lib/bb/utils.py
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@@ -1476,12 +1476,13 @@ def get_file_layer(filename, d):
return match
result = None
bbfiles = (d.getVar('BBFILES') or '').split()
bbfiles = (d.getVar('BBFILES_PRIORITIZED') or '').split()
bbfilesmatch = False
for bbfilesentry in bbfiles:
if fnmatch.fnmatch(filename, bbfilesentry):
if fnmatch.fnmatchcase(filename, bbfilesentry):
bbfilesmatch = True
result = path_to_layer(bbfilesentry)
break
if not bbfilesmatch:
# Probably a bbclass