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78 lines
1.8 KiB
78 lines
1.8 KiB
4 months ago
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// Copyright 2019 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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package main
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import (
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"errors"
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"os"
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"os/exec"
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"path/filepath"
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)
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// Note: We keep this code in python as golang has no builtin
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// shlex function.
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const bisectPythonCommand = `
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import bisect_driver
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import shlex
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import sys
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def ExpandArgs(args, target):
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for arg in args:
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if arg[0] == '@':
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with open(arg[1:], 'r', encoding='utf-8') as f:
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ExpandArgs(shlex.split(f.read()), target)
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else:
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target.append(arg)
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return target
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stage = sys.argv[1]
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dir = sys.argv[2]
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execargs = ExpandArgs(sys.argv[3:], [])
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sys.exit(bisect_driver.bisect_driver(stage, dir, execargs))
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`
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func getBisectStage(env env) string {
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value, _ := env.getenv("BISECT_STAGE")
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return value
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}
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func calcBisectCommand(env env, cfg *config, bisectStage string, compilerCmd *command) (*command, error) {
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bisectDir, _ := env.getenv("BISECT_DIR")
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if bisectDir == "" {
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if cfg.isAndroidWrapper {
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homeDir, ok := env.getenv("HOME")
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if !ok {
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return nil, errors.New("$HOME is not set")
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}
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bisectDir = filepath.Join(homeDir, "ANDROID_BISECT")
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} else {
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bisectDir = "/tmp/sysroot_bisect"
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}
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}
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absCompilerPath := getAbsCmdPath(env, compilerCmd)
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pythonPath, err := exec.LookPath(os.Args[0])
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if err != nil {
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return nil, err
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}
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pythonPath, err = filepath.EvalSymlinks(pythonPath)
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if err != nil {
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return nil, err
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}
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pythonPath = filepath.Dir(pythonPath)
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return &command{
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Path: "/usr/bin/env",
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Args: append([]string{
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"python3",
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"-c",
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bisectPythonCommand,
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bisectStage,
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bisectDir,
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absCompilerPath,
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}, compilerCmd.Args...),
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EnvUpdates: append(compilerCmd.EnvUpdates, "PYTHONPATH="+pythonPath),
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}, nil
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}
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