Mirrors: fix cosmetic symlink targets

The targets for the cosmetic paths in mirrrors were being calculated
incorrectly as of fb3a3ba: the symlinks used relative paths as targets,
and the relative path was computed relative to the wrong directory.
This commit is contained in:
Peter Josef Scheibel 2019-11-26 18:50:32 -08:00 committed by Todd Gamblin
parent 64209dda97
commit 98b498c671
No known key found for this signature in database
GPG key ID: 66B24B9050FDD0B8
2 changed files with 34 additions and 1 deletions

View file

@ -67,8 +67,9 @@ def symlink(self, mirror_ref):
storage location."""
cosmetic_path = os.path.join(self.root, mirror_ref.cosmetic_path)
storage_path = os.path.join(self.root, mirror_ref.storage_path)
relative_dst = os.path.relpath(
mirror_ref.storage_path,
storage_path,
start=os.path.dirname(cosmetic_path))
if not os.path.exists(cosmetic_path):

View file

@ -14,6 +14,8 @@
from spack.stage import Stage
from spack.util.executable import which
from llnl.util.filesystem import resolve_link_target_relative_to_the_link
pytestmark = pytest.mark.usefixtures('config', 'mutable_mock_packages')
# paths in repos that shouldn't be in the mirror tarballs.
@ -192,3 +194,33 @@ def successful_apply(*args, **kwargs):
'abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234',
'abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd.gz' # NOQA: ignore=E501
]) - files_cached_in_mirror)
class MockFetcher(object):
"""Mock fetcher object which implements the necessary functionality for
testing MirrorCache
"""
@staticmethod
def archive(dst):
with open(dst, 'w'):
pass
@pytest.mark.regression('14067')
def test_mirror_cache_symlinks(tmpdir):
"""Confirm that the cosmetic symlink created in the mirror cache (which may
be relative) targets the storage path correctly.
"""
cosmetic_path = 'zlib/zlib-1.2.11.tar.gz'
global_path = '_source-cache/archive/c3/c3e5.tar.gz'
cache = spack.caches.MirrorCache(str(tmpdir))
reference = spack.mirror.MirrorReference(cosmetic_path, global_path)
cache.store(MockFetcher(), reference.storage_path)
cache.symlink(reference)
link_target = resolve_link_target_relative_to_the_link(
os.path.join(cache.root, reference.cosmetic_path))
assert os.path.exists(link_target)
assert (os.path.normpath(link_target) ==
os.path.join(cache.root, reference.storage_path))