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bitbake: fetch2/git: stop generated tarballs from leaking info

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When using BB_GENERATE_MIRROR_TARBALLS="1" to generate mirror tarballs
of git repositories, they leaked local information: username, group and
time of the last fetch. Remove all these by setting fixed information:

 * uname = pokybuild
 * gname = users
 * mtime = committer time of newest commit in repo

The username and group value were taken from the archives available on
the downloads.yoctoproject.org mirror. The modification time is chosen
so it still retains some relationship to the contents of the archive.

(Bitbake rev: 0178ab83e6312e97e528aa8c5e12105f5165d896)

Signed-off-by: Olaf Mandel <o.mandel@menlosystems.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Olaf Mandel
2022-03-24 17:47:59 +01:00
committed by Richard Purdie
parent 7e273d09d0
commit 5cbdd2b483
2 changed files with 34 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
bitbake/lib/bb/fetch2/git.py
View File

@@ -462,7 +462,10 @@ class Git(FetchMethod):
logger.info("Creating tarball of git repository")
with create_atomic(ud.fullmirror) as tfile:
runfetchcmd("tar -czf %s ." % tfile, d, workdir=ud.clonedir)
mtime = runfetchcmd("git log --all -1 --format=%cD", d,
quiet=True, workdir=ud.clonedir)
runfetchcmd("tar -czf %s --owner pokybuild --group users --mtime \"%s\" ."
% (tfile, mtime), d, workdir=ud.clonedir)
runfetchcmd("touch %s.done" % ud.fullmirror, d)
def clone_shallow_local(self, ud, dest, d):

30
bitbake/lib/bb/tests/fetch.py
View File

@@ -11,6 +11,7 @@ import hashlib
import tempfile
import collections
import os
import tarfile
from bb.fetch2 import URI
from bb.fetch2 import FetchMethod
import bb
@@ -628,6 +629,35 @@ class GitShallowTarballNamingTest(FetcherTest):
self.assertIn(self.mirror_tarball, dir)
class CleanTarballTest(FetcherTest):
def setUp(self):
super(CleanTarballTest, self).setUp()
self.recipe_url = "git://git.openembedded.org/bitbake"
self.recipe_tarball = "git2_git.openembedded.org.bitbake.tar.gz"
self.d.setVar('BB_GENERATE_MIRROR_TARBALLS', '1')
self.d.setVar('SRCREV', '82ea737a0b42a8b53e11c9cde141e9e9c0bd8c40')
@skipIfNoNetwork()
def test_that_the_tarball_contents_does_not_leak_info(self):
fetcher = bb.fetch.Fetch([self.recipe_url], self.d)
fetcher.download()
fetcher.unpack(self.unpackdir)
mtime = bb.process.run('git log --all -1 --format=%ct',
cwd=os.path.join(self.unpackdir, 'git'))
self.assertEqual(len(mtime), 2)
mtime = int(mtime[0])
archive = tarfile.open(os.path.join(self.dldir, self.recipe_tarball))
self.assertNotEqual(len(archive.members), 0)
for member in archive.members:
self.assertEqual(member.uname, 'pokybuild')
self.assertEqual(member.gname, 'users')
self.assertEqual(member.mtime, mtime)
class FetcherLocalTest(FetcherTest):
def setUp(self):
def touch(fn):