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# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
import os
import sys
import re
import json
from subprocess import check_output, CalledProcessError
lintable = re.compile(r'.+\.(?:js|jsm|jsx|xml|html)$')
ignored = 'File ignored because of a matching ignore pattern. Use "--no-ignore" to override.'
def is_lintable(filename):
return lintable.match(filename)
def display(ui, output):
results = json.loads(output)
for file in results:
path = os.path.relpath(file["filePath"])
for message in file["messages"]:
if message["message"] == ignored:
continue
if "line" in message:
ui.warn("%s:%d:%d %s\n" % (path, message["line"], message["column"], message["message"]))
else:
ui.warn("%s: %s\n" % (path, message["message"]))
def eslinthook(ui, repo, node=None, **opts):
ctx = repo[node]
if len(ctx.parents()) > 1:
return 0
deleted = repo.status(ctx.p1().node(), ctx.node()).deleted
files = [f for f in ctx.files() if f not in deleted and is_lintable(f)]
if len(files) == 0:
return
try:
basepath = get_project_root()
if not basepath:
return
dir = os.path.join(basepath, "tools", "lint", "eslint", "node_modules", ".bin")
eslint_path = os.path.join(dir, "eslint")
if os.path.exists(os.path.join(dir, "eslint.cmd")):
eslint_path = os.path.join(dir, "eslint.cmd")
output = check_output([eslint_path,
"--format", "json", "--plugin", "html"] + files,
cwd=basepath)
display(ui, output)
except CalledProcessError as ex:
display(ui, ex.output)
ui.warn("ESLint found problems in your changes, please correct them.\n")
def reposetup(ui, repo):
ui.setconfig('hooks', 'commit.eslint', eslinthook)
def get_project_root():
file_found = False
folder = os.getcwd()
while (folder):
if os.path.exists(os.path.join(folder, 'mach')):
file_found = True
break
else:
folder = os.path.dirname(folder)
if file_found:
return os.path.abspath(folder)
return None
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