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bitbake: bitbake: Fix return value checks from subprocess.call()'s

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Python function subprocess.call() returns the return value of the
executed process. If return values are not checked, errors may
go unnoticed and bad things can happen.

Change all callers of subprocess.call() which do not check for
the return value to use subprocess.check_call() which raises
CalledProcessError if the subprocess returns with non-zero value.

https://docs.python.org/2/library/subprocess.html#using-the-subprocess-module

All users of the function were found with:

$ git grep "subprocess\.call" | \
  egrep -v 'if.*subprocess\.call|=\ +subprocess\.call|return.*subprocess\.call'

Tested similar patch on top of yocto jethro. Only compile tested
core-image-minimal on poky master branch.

(Bitbake rev: d2cf67bcaf001acb6be8fc5884fb450649849847)

Signed-off-by: Mikko Rapeli <mikko.rapeli@bmw.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Mikko Rapeli
2017-06-01 18:51:33 +03:00
committed by Richard Purdie
parent ca68d71ddc
commit bc9c714e8b
2 changed files with 2 additions and 2 deletions
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2
bitbake/lib/bb/ui/ncurses.py
View File

@@ -297,7 +297,7 @@ class NCursesUI:
# bb.error("log data follows (%s)" % logfile)
# number_of_lines = data.getVar("BBINCLUDELOGS_LINES", d)
# if number_of_lines:
# subprocess.call('tail -n%s %s' % (number_of_lines, logfile), shell=True)
# subprocess.check_call('tail -n%s %s' % (number_of_lines, logfile), shell=True)
# else:
# f = open(logfile, "r")
# while True:

2
bitbake/lib/bb/utils.py
View File

@@ -680,7 +680,7 @@ def remove(path, recurse=False):
if _check_unsafe_delete_path(path):
raise Exception('bb.utils.remove: called with dangerous path "%s" and recurse=True, refusing to delete!' % path)
# shutil.rmtree(name) would be ideal but its too slow
subprocess.call(['rm', '-rf'] + glob.glob(path))
subprocess.check_call(['rm', '-rf'] + glob.glob(path))
return
for name in glob.glob(path):
try: