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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
import logging
import os
import shutil
import subprocess
import tempfile
from pathlib import Path
from typing_extensions import Literal
from mozversioncontrol import HgRepository
from mozversioncontrol.repoupdate import update_mercurial_repo
from .l10n_merge import COMM_L10N, COMM_L10N_PUSH, COMM_STRINGS_QUARANTINE
ACTIONS = Literal["clean", "prep", "migrate", "push"]
class HgL10nRepository(HgRepository):
log_trans_table = str.maketrans({"{": "{{", "}": "}}"})
def __init__(self, path: Path, check_url=None, logger=print):
super(HgL10nRepository, self).__init__(path, hg="hg")
self._logger = logger
if check_url is not None:
self._check_hg_url(check_url)
def logger(self, *args):
# Escape python-style format string substitutions because Sentry is annoying
self._logger(*args[:-1], args[-1].translate(self.log_trans_table))
def _check_hg_url(self, repo_url):
configured_url = self._run("config", "paths.default").strip()
if configured_url != repo_url:
raise Exception(f"Repository does not match {repo_url}.")
def check_status(self):
if not self.working_directory_clean() or self.get_outgoing_files():
raise Exception(f"Repository at {self.path} is not clean, run with 'clean'.")
def last_convert_rev(self):
args = (
"log",
"-r",
"last(extra('convert_source', 'comm-strings-quarantine'))",
"--template",
"{get(extras,'convert_revision')}\n",
)
self.logger(logging.INFO, "last_convert_rev", {}, " ".join(args))
rv = self._run(*args).strip()
self.logger(logging.INFO, "last_convert_rev", {}, rv)
return rv
def next_convert_rev(self, last_converted):
args = ("log", "-r", f"first(children({last_converted}))", "--template", "{node}\n")
self.logger(logging.INFO, "next_convert_rev", {}, " ".join(args))
rv = self._run(*args).strip()
self.logger(logging.INFO, "next_convert_rev", {}, rv)
return rv
def convert_quarantine(self, strings_path, filemap_path, splicemap_path, next_converted_rev):
args = (
"convert",
"--config",
"convert.hg.saverev=True",
"--config",
"convert.hg.sourcename=comm-strings-quarantine",
"--config",
f"convert.hg.revs={next_converted_rev}:tip",
"--filemap",
filemap_path,
"--splicemap",
splicemap_path,
"--datesort",
str(self.path),
str(strings_path.absolute()),
)
self.logger(logging.INFO, "convert_quarantine", {}, " ".join(args))
rv = self._run(*args)
self.logger(logging.INFO, "convert_quarantine", {}, rv)
return rv
def push(self, push_url):
popen_kwargs = {
"stdout": subprocess.PIPE,
"stderr": subprocess.PIPE,
"cwd": self.path,
"env": self._env,
"universal_newlines": True,
"bufsize": 1,
}
cmd = ("hg", "push", "-r", ".", push_url)
self.logger(logging.INFO, "push", {}, " ".join(cmd))
# This function doesn't really push to try...
self._push_to_try_with_log_capture(cmd, popen_kwargs)
def _nuke_hg_repos(*paths: Path):
failed = {}
for path in paths:
try:
if path.exists():
shutil.rmtree(str(path))
except Exception as e:
failed[str(path)] = e
if failed:
for f in failed:
print(f"Unable to nuke '{f}': {failed[f]}")
raise Exception()
def publish_strings(
command_context,
quarantine_path: Path,
comm_l10n_path: Path,
actions: ACTIONS,
**kwargs,
):
if "clean" in actions:
command_context.log(logging.INFO, "clean", {}, "Removing old repository clones.")
_nuke_hg_repos(quarantine_path, comm_l10n_path)
if "prep" in actions:
# update_mercurial_repo also will clone if a repo is not already there
command_context.log(
logging.INFO, "prep", {}, f"Updating comm-strings-quarantine at {quarantine_path}."
)
update_mercurial_repo("hg", COMM_STRINGS_QUARANTINE, quarantine_path)
command_context.log(logging.INFO, "prep", {}, f"Updating comm-l10n at {comm_l10n_path}.")
update_mercurial_repo("hg", COMM_L10N, comm_l10n_path)
local_quarantine = HgL10nRepository(
quarantine_path, COMM_STRINGS_QUARANTINE, command_context.log
)
local_comm_l10n = HgL10nRepository(comm_l10n_path, COMM_L10N, command_context.log)
if "prep" not in actions:
local_quarantine.update("tip")
local_comm_l10n.update("tip")
if "migrate" in actions:
local_quarantine.check_status()
local_comm_l10n.check_status()
command_context.log(
logging.INFO, "migrate", {}, "Starting string migration from quarantine."
)
head_rev = local_comm_l10n.head_ref
last_convert_rev = local_comm_l10n.last_convert_rev()
first_convert_rev = local_quarantine.next_convert_rev(last_convert_rev)
command_context.log(
logging.INFO, "migrate", {}, f" Last converted rev: {last_convert_rev}"
)
command_context.log(
logging.INFO, "migrate", {}, f" First converted rev: {first_convert_rev}"
)
with tempfile.NamedTemporaryFile(
prefix="splicemap", suffix=".txt", delete=False
) as splice_fp:
splicemap = splice_fp.name
command_context.log(
logging.INFO, "migrate", {}, f" Writing splicemap to: {splicemap}"
)
splice_fp.write(f"{first_convert_rev} {head_rev}\n".encode("utf-8"))
with tempfile.NamedTemporaryFile(prefix="filemap", suffix=".txt", delete=False) as file_fp:
filemap = file_fp.name
command_context.log(logging.INFO, "migrate", {}, f" Writing filemap to: {filemap}")
file_fp.writelines(
["exclude _configs\n".encode("utf-8"), "rename . en-US\n".encode("utf-8")]
)
command_context.log(logging.INFO, "migrate", {}, " Running hg convert...")
local_quarantine.convert_quarantine(comm_l10n_path, filemap, splicemap, first_convert_rev)
try:
os.unlink(splicemap)
os.unlink(filemap)
except Exception:
pass
local_comm_l10n.update("tip")
command_context.log(logging.INFO, "migrate", {}, " Finished!")
if "push" in actions:
if local_comm_l10n.get_outgoing_files():
command_context.log(logging.INFO, "push", {}, " Pushing to comm-l10n.")
local_comm_l10n.push(COMM_L10N_PUSH)
else:
command_context.log(logging.INFO, "push", {}, "Skipping empty push.")
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