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spack view copy: relocate symlinks (#32306)

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Harmen Stoppels 2023-05-09 12:17:16 +02:00 committed by GitHub
parent 71cd94e524
commit 9e1440ec7b
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1 changed files with 33 additions and 33 deletions
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66
lib/spack/spack/filesystem_view.py
View file

@ -3,13 +3,14 @@
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import collections
import functools as ft
import itertools
import os
import re
import shutil
import stat
import sys
from typing import Optional
from llnl.util import tty
from llnl.util.filesystem import (
@ -32,12 +33,14 @@
import spack.config
import spack.projections
import spack.relocate
import spack.schema.projections
import spack.spec
import spack.store
import spack.util.spack_json as s_json
import spack.util.spack_yaml as s_yaml
from spack.error import SpackError
from spack.hooks import sbang
__all__ = ["FilesystemView", "YamlFilesystemView"]
@ -57,50 +60,47 @@ def view_hardlink(src, dst, **kwargs):
os.link(src, dst)
def view_copy(src, dst, view, spec=None):
def view_copy(src: str, dst: str, view, spec: Optional[spack.spec.Spec] = None):
"""
Copy a file from src to dst.
Use spec and view to generate relocations
"""
shutil.copy2(src, dst)
if spec and not spec.external:
# Not metadata, we have to relocate it
shutil.copy2(src, dst, follow_symlinks=False)
# Get information on where to relocate from/to
# No need to relocate if no metadata or external.
if not spec or spec.external:
return
# This is vestigial code for the *old* location of sbang. Previously,
# sbang was a bash script, and it lived in the spack prefix. It is
# now a POSIX script that lives in the install prefix. Old packages
# will have the old sbang location in their shebangs.
# TODO: Not sure which one to use...
import spack.hooks.sbang as sbang
# Order of this dict is somewhat irrelevant
prefix_to_projection = {
s.prefix: view.get_projection_for_spec(s)
for s in spec.traverse(root=True, order="breadth")
if not s.external
}
# Break a package include cycle
import spack.relocate
src_stat = os.lstat(src)
orig_sbang = "#!/bin/bash {0}/bin/sbang".format(spack.paths.spack_root)
new_sbang = sbang.sbang_shebang_line()
# TODO: change this into a bulk operation instead of a per-file operation
prefix_to_projection = collections.OrderedDict(
{spec.prefix: view.get_projection_for_spec(spec)}
)
if stat.S_ISLNK(src_stat.st_mode):
spack.relocate.relocate_links(links=[dst], prefix_to_prefix=prefix_to_projection)
elif spack.relocate.is_binary(dst):
spack.relocate.relocate_text_bin(binaries=[dst], prefixes=prefix_to_projection)
else:
prefix_to_projection[spack.store.layout.root] = view._root
for dep in spec.traverse():
if not dep.external:
prefix_to_projection[dep.prefix] = view.get_projection_for_spec(dep)
# This is vestigial code for the *old* location of sbang.
prefix_to_projection[
"#!/bin/bash {0}/bin/sbang".format(spack.paths.spack_root)
] = sbang.sbang_shebang_line()
if spack.relocate.is_binary(dst):
spack.relocate.relocate_text_bin(binaries=[dst], prefixes=prefix_to_projection)
else:
prefix_to_projection[spack.store.layout.root] = view._root
prefix_to_projection[orig_sbang] = new_sbang
spack.relocate.relocate_text(files=[dst], prefixes=prefix_to_projection)
try:
stat = os.stat(src)
os.chown(dst, stat.st_uid, stat.st_gid)
except OSError:
tty.debug("Can't change the permissions for %s" % dst)
spack.relocate.relocate_text(files=[dst], prefixes=prefix_to_projection)
try:
os.chown(dst, src_stat.st_uid, src_stat.st_gid)
except OSError:
tty.debug("Can't change the permissions for %s" % dst)
def view_func_parser(parsed_name):