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#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0-or-later
"""
Utility functions for make update and make tests.
"""
import shutil
import subprocess
import sys
from typing import (
List,
Sequence,
)
def call(cmd: Sequence[str], exit_on_error: bool = True, silent: bool = False) -> int:
if not silent:
print(" ".join([str(x) for x in cmd]))
# Flush to ensure correct order output on Windows.
sys.stdout.flush()
sys.stderr.flush()
if silent:
retcode = subprocess.call(
cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
else:
retcode = subprocess.call(cmd)
if exit_on_error and retcode != 0:
sys.exit(retcode)
return retcode
def check_output(cmd: Sequence[str], exit_on_error: bool = True) -> str:
# Flush to ensure correct order output on Windows.
sys.stdout.flush()
sys.stderr.flush()
try:
output = subprocess.check_output(
cmd, stderr=subprocess.STDOUT, universal_newlines=True)
except subprocess.CalledProcessError as e:
if exit_on_error:
sys.stderr.write(" ".join(cmd))
sys.stderr.write(e.output + "\n")
sys.exit(e.returncode)
output = ""
return output.strip()
def git_local_branch_exists(git_command: List, branch: str) -> bool:
return (
call([git_command, "rev-parse", "--verify", branch],
exit_on_error=False, silent=True) == 0
)
def git_remote_branch_exists(git_command: List, remote: str, branch: str) -> bool:
return call([git_command, "rev-parse", "--verify", f"remotes/{remote}/{branch}"],
exit_on_error=False, silent=True) == 0
def git_branch_exists(git_command: List, branch: str) -> bool:
return (
git_local_branch_exists(git_command, branch) or
git_remote_branch_exists(git_command, "upstream", branch) or
git_remote_branch_exists(git_command, "origin", branch)
)
def git_remote_exist(git_command: List, remote_name: str) -> bool:
"""Check whether there is a remote with the given name"""
# `git ls-remote --get-url upstream` will print an URL if there is such remote configured, and
# otherwise will print "upstream".
remote_url = check_output(
(git_command + ["ls-remote", "--get-url", remote_name]))
return remote_url != remote_name
def git_branch(git_command: List) -> str:
# Get current branch name.
try:
branch = subprocess.check_output(
[git_command, "rev-parse", "--abbrev-ref", "HEAD"])
except subprocess.CalledProcessError as e:
sys.stderr.write("Failed to get Blender git branch\n")
sys.exit(1)
return branch.strip().decode('utf8')
def command_missing(command: str) -> bool:
# Support running with Python 2 for macOS
if sys.version_info >= (3, 0):
return shutil.which(command) is None
else:
return False
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