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#!/usr/bin/env python
# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
import os
import signal
# For compatibility with Python < 3.8
raise_signal = getattr(
signal, "raise_signal", lambda signum: os.kill(os.getpid(), signum)
)
# Inherit from KeyboardInterrupt to avoid a traceback from asyncio.
class SignalInterrupt(KeyboardInterrupt):
def __init__(self, signum):
self.signum = signum
def signal_interrupt(signum, _frame):
raise SignalInterrupt(signum)
def debug_signal(_signum, _frame):
import pdb
pdb.set_trace()
# Prevent "[Errno 32] Broken pipe" exceptions when writing to a pipe.
signal.signal(signal.SIGPIPE, signal.SIG_DFL)
signal.signal(signal.SIGTERM, signal_interrupt)
signal.signal(signal.SIGUSR1, debug_signal)
import argparse
from os import path as osp
import sys
import textwrap
if osp.isfile(
osp.join(osp.dirname(osp.dirname(osp.realpath(__file__))), ".portage_not_installed")
):
sys.path.insert(
0, osp.join(osp.dirname(osp.dirname(osp.realpath(__file__))), "lib")
)
import portage
portage._internal_caller = True
from portage import os
from portage import _encodings
from portage import _shell_quote
from portage import _unicode_encode
from portage.const import VDB_PATH
from portage.exception import (
PermissionDenied,
PortageKeyError,
PortagePackageException,
UnsupportedAPIException,
)
from portage.localization import _
import portage.util
from portage.util._eventloop.global_event_loop import global_event_loop
from _emerge.actions import apply_priorities
from _emerge.Package import Package
from _emerge.RootConfig import RootConfig
def main():
portage.process.sanitize_fds()
description = "See the ebuild(1) man page for more info"
usage = "Usage: ebuild <ebuild file> <command> [command] ..."
parser = argparse.ArgumentParser(description=description, usage=usage)
force_help = (
"When used together with the digest or manifest "
+ "command, this option forces regeneration of digests for all "
+ "distfiles associated with the current ebuild. Any distfiles "
+ "that do not already exist in ${DISTDIR} will be automatically fetched."
)
parser.add_argument("--force", help=force_help, action="store_true")
parser.add_argument(
"--color", help="enable or disable color output", choices=("y", "n")
)
parser.add_argument("--debug", help="show debug output", action="store_true")
parser.add_argument("--version", help="show version and exit", action="store_true")
parser.add_argument(
"--ignore-default-opts",
action="store_true",
help="do not use the EBUILD_DEFAULT_OPTS environment variable",
)
parser.add_argument(
"--skip-manifest", help="skip all manifest checks", action="store_true"
)
opts, pargs = parser.parse_known_args(args=sys.argv[1:])
def err(txt):
portage.writemsg(f"ebuild: {txt}\n", noiselevel=-1)
sys.exit(1)
if opts.version:
print("Portage", portage.VERSION)
sys.exit(os.EX_OK)
if len(pargs) < 2:
parser.error("missing required args")
if not opts.ignore_default_opts:
default_opts = portage.util.shlex_split(
portage.settings.get("EBUILD_DEFAULT_OPTS", "")
)
opts, pargs = parser.parse_known_args(default_opts + sys.argv[1:])
debug = opts.debug
force = opts.force
if debug:
# Ensure that all config instances have this setting,
# including the one that's used by portdbapi for aux_get.
os.environ["PORTAGE_DEBUG"] = "1"
portage._reset_legacy_globals()
# do this _after_ 'import portage' to prevent unnecessary tracing
if debug and "python-trace" in portage.features:
portage.debug.set_trace(True)
if not opts.color == "y" and (
opts.color == "n"
or portage.util.no_color(portage.settings)
or portage.settings.get("TERM") == "dumb"
or not sys.stdout.isatty()
):
portage.output.nocolor()
apply_priorities(portage.settings)
ebuild = pargs.pop(0)
pf = None
if ebuild.endswith(".ebuild"):
pf = os.path.basename(ebuild)[:-7]
if pf is None:
err(f"{ebuild}: does not end with '.ebuild'")
if not os.path.isabs(ebuild):
mycwd = os.getcwd()
# Try to get the non-canonical path from the PWD evironment variable, since
# the canonical path returned from os.getcwd() may may be unusable in
# cases where the directory stucture is built from symlinks.
pwd = os.environ.get("PWD", "")
if pwd and pwd != mycwd and os.path.realpath(pwd) == mycwd:
mycwd = portage.normalize_path(pwd)
ebuild = os.path.join(mycwd, ebuild)
ebuild = portage.normalize_path(ebuild)
# portdbapi uses the canonical path for the base of the ebuild repository, but
# subdirectories of the base can be built from symlinks (like crossdev does).
ebuild_portdir = os.path.realpath(
os.path.dirname(os.path.dirname(os.path.dirname(ebuild)))
)
ebuild = os.path.join(ebuild_portdir, *ebuild.split(os.path.sep)[-3:])
vdb_path = os.path.realpath(os.path.join(portage.settings["EROOT"], VDB_PATH))
# Make sure that portdb.findname() returns the correct ebuild.
if ebuild_portdir != vdb_path and ebuild_portdir not in portage.portdb.porttrees:
portdir_overlay = portage.settings.get("PORTDIR_OVERLAY", "")
os.environ["PORTDIR_OVERLAY"] = (
portdir_overlay + " " + _shell_quote(ebuild_portdir)
)
print(f"Appending {ebuild_portdir} to PORTDIR_OVERLAY...")
portage._reset_legacy_globals()
myrepo = None
if ebuild_portdir != vdb_path:
myrepo = portage.portdb.getRepositoryName(ebuild_portdir)
if not os.path.exists(ebuild):
err(f"{ebuild}: does not exist")
ebuild_split = ebuild.split("/")
cpv = f"{ebuild_split[-3]}/{pf}"
with open(
_unicode_encode(ebuild, encoding=_encodings["fs"], errors="strict"),
encoding=_encodings["repo.content"],
errors="replace",
) as f:
eapi = portage._parse_eapi_ebuild_head(f)[0]
if eapi is None:
eapi = "0"
if not portage.catpkgsplit(cpv, eapi=eapi):
err(f"{ebuild}: {cpv}: does not follow correct package syntax")
if ebuild.startswith(vdb_path):
mytree = "vartree"
pkg_type = "installed"
portage_ebuild = portage.db[portage.root][mytree].dbapi.findname(
cpv, myrepo=myrepo
)
if os.path.realpath(portage_ebuild) != ebuild:
err(f"Portage seems to think that {cpv} is at {portage_ebuild}")
else:
mytree = "porttree"
pkg_type = "ebuild"
portage_ebuild = portage.portdb.findname(cpv, myrepo=myrepo)
if not portage_ebuild or portage_ebuild != ebuild:
err(f"{ebuild}: does not seem to have a valid PORTDIR structure")
if len(pargs) > 1 and "config" in pargs:
other_phases = set(pargs)
other_phases.difference_update(("clean", "config", "digest", "manifest"))
if other_phases:
err('"config" must not be called with any other phase')
def discard_digests(myebuild, mysettings, mydbapi):
"""Discard all distfiles digests for the given ebuild. This is useful when
upstream has changed the identity of the distfiles and the user would
otherwise have to manually remove the Manifest and files/digest-* files in
order to ensure correct results."""
try:
portage._doebuild_manifest_exempt_depend += 1
pkgdir = os.path.dirname(myebuild)
fetchlist_dict = portage.FetchlistDict(pkgdir, mysettings, mydbapi)
mf = mysettings.repositories.get_repo_for_location(
os.path.dirname(os.path.dirname(pkgdir))
)
mf = mf.load_manifest(
pkgdir, mysettings["DISTDIR"], fetchlist_dict=fetchlist_dict
)
mf.create(
requiredDistfiles=None,
assumeDistHashesSometimes=True,
assumeDistHashesAlways=True,
)
distfiles = fetchlist_dict[cpv]
for myfile in distfiles:
try:
del mf.fhashdict["DIST"][myfile]
except KeyError:
pass
mf.write()
finally:
portage._doebuild_manifest_exempt_depend -= 1
portage.settings.validate() # generate warning messages if necessary
build_dir_phases = {
"setup",
"unpack",
"prepare",
"configure",
"compile",
"test",
"install",
"package",
"rpm",
"merge",
"qmerge",
}
# If the current metadata is invalid then force the ebuild to be
# sourced again even if ${T}/environment already exists.
ebuild_changed = False
if mytree == "porttree" and build_dir_phases.intersection(pargs):
ebuild_changed = (
portage.portdb._pull_valid_cache(cpv, ebuild, ebuild_portdir)[0] is None
)
# Make configuration adjustments to portage.portdb.doebuild_settings,
# in order to enforce consistency for EBUILD_FORCE_TEST support
# (see bug 601466).
tmpsettings = portage.portdb.doebuild_settings
tmpsettings["PORTAGE_VERBOSE"] = "1"
tmpsettings.backup_changes("PORTAGE_VERBOSE")
if opts.skip_manifest:
tmpsettings["EBUILD_SKIP_MANIFEST"] = "1"
tmpsettings.backup_changes("EBUILD_SKIP_MANIFEST")
if (
opts.skip_manifest
or "digest" in tmpsettings.features
or "digest" in pargs
or "manifest" in pargs
):
portage._doebuild_manifest_exempt_depend += 1
if "test" in pargs:
# This variable is a signal to config.regenerate() to
# indicate that the test phase should be enabled regardless
# of problems such as masked "test" USE flag.
tmpsettings["EBUILD_FORCE_TEST"] = "1"
tmpsettings.backup_changes("EBUILD_FORCE_TEST")
tmpsettings.features.add("test")
portage.writemsg(_("Forcing test.\n"), noiselevel=-1)
tmpsettings.features.discard("fail-clean")
# We don't implement merge-wait for the ebuild command, so discard
# it from FEATURES. This prevents premature WORKDIR removal.
tmpsettings.features.discard("merge-wait")
if "merge" in pargs and "noauto" in tmpsettings.features:
print("Disabling noauto in features... merge disables it. (qmerge doesn't)")
tmpsettings.features.discard("noauto")
if "digest" in tmpsettings.features:
if pargs and pargs[0] not in ("digest", "manifest"):
pargs = ["digest"] + pargs
# We only need to build digests on the first pass.
tmpsettings.features.discard("digest")
# Now that configuration adjustments are complete, create a clone of
# tmpsettings. The current instance refers to portdb.doebuild_settings,
# and we want to avoid the possibility of unintended side-effects.
tmpsettings = portage.config(clone=tmpsettings)
try:
metadata = dict(
zip(
Package.metadata_keys,
portage.db[portage.settings["EROOT"]][mytree].dbapi.aux_get(
cpv, Package.metadata_keys, myrepo=myrepo
),
)
)
except PortageKeyError:
# aux_get failure, message should have been shown on stderr.
sys.exit(1)
root_config = RootConfig(
portage.settings, portage.db[portage.settings["EROOT"]], None
)
cpv = portage.versions._pkg_str(
cpv,
metadata=metadata,
settings=portage.settings,
db=portage.db[portage.settings["EROOT"]][mytree].dbapi,
)
pkg = Package(
built=(pkg_type != "ebuild"),
cpv=cpv,
installed=(pkg_type == "installed"),
metadata=metadata,
root_config=root_config,
type_name=pkg_type,
)
# Apply package.env and repo-level settings. This allows per-package
# FEATURES and other variables (possibly PORTAGE_TMPDIR) to be
# available as soon as possible. Also, note that the only way to ensure
# that setcpv gets metadata from the correct repository is to pass in
# a Package instance, as we do here (previously we had to modify
# portdb.porttrees in order to accomplish this).
tmpsettings.setcpv(pkg)
def stale_env_warning():
if (
"clean" not in pargs
and "noauto" not in tmpsettings.features
and build_dir_phases.intersection(pargs)
):
portage.doebuild_environment(
ebuild, "setup", portage.root, tmpsettings, debug, 1, portage.portdb
)
env_filename = os.path.join(tmpsettings["T"], "environment")
if os.path.exists(env_filename):
msg = (
f"Existing ${{T}}/environment for '{tmpsettings['PF']}' will be sourced. "
"Run 'clean' to start with a fresh environment."
)
msg = textwrap.wrap(msg, 70)
for x in msg:
portage.writemsg(f">>> {x}\n")
if ebuild_changed:
open(
os.path.join(
tmpsettings["PORTAGE_BUILDDIR"], ".ebuild_changed"
),
"w",
).close()
checked_for_stale_env = False
for arg in pargs:
try:
if not checked_for_stale_env and arg not in ("digest", "manifest"):
# This has to go after manifest generation since otherwise
# aux_get() might fail due to invalid ebuild digests.
stale_env_warning()
checked_for_stale_env = True
if arg in ("digest", "manifest") and force:
discard_digests(ebuild, tmpsettings, portage.portdb)
a = portage.doebuild(
ebuild,
arg,
settings=tmpsettings,
debug=debug,
tree=mytree,
vartree=portage.db[portage.root]["vartree"],
)
except PortageKeyError:
# aux_get error
a = 1
except UnsupportedAPIException as e:
msg = textwrap.wrap(str(e), 70)
del e
for x in msg:
portage.writemsg(f"!!! {x}\n", noiselevel=-1)
a = 1
except PortagePackageException as e:
portage.writemsg(f"!!! {e}\n", noiselevel=-1)
a = 1
except PermissionDenied as e:
portage.writemsg(f"!!! Permission Denied: {e}\n", noiselevel=-1)
a = 1
if a is None:
print("Could not run the required binary?")
a = 127
if a:
global_event_loop().close()
sys.exit(a)
# Only close the event loop for __main__,
# since outside of __main__ it would close the
# event loop for child processes when using
# the multiprocessing spawn start method.
global_event_loop().close()
if __name__ == "__main__":
try:
main()
except KeyboardInterrupt as e:
# Prevent traceback on ^C
signum = getattr(e, "signum", signal.SIGINT)
signal.signal(signum, signal.SIG_DFL)
raise_signal(signum)
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