mirror of https://github.com/poanetwork/quorum.git
123 lines
3.8 KiB
Go
123 lines
3.8 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package build
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import (
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"flag"
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"fmt"
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"os"
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"strings"
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)
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var (
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// These flags override values in build env.
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GitCommitFlag = flag.String("git-commit", "", `Overrides git commit hash embedded into executables`)
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GitBranchFlag = flag.String("git-branch", "", `Overrides git branch being built`)
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GitTagFlag = flag.String("git-tag", "", `Overrides git tag being built`)
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BuildnumFlag = flag.String("buildnum", "", `Overrides CI build number`)
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PullRequestFlag = flag.Bool("pull-request", false, `Overrides pull request status of the build`)
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)
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// Environment contains metadata provided by the build environment.
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type Environment struct {
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Name string // name of the environment
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Repo string // name of GitHub repo
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Commit, Branch, Tag string // Git info
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Buildnum string
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IsPullRequest bool
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}
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func (env Environment) String() string {
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return fmt.Sprintf("%s env (commit:%s branch:%s tag:%s buildnum:%s pr:%t)",
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env.Name, env.Commit, env.Branch, env.Tag, env.Buildnum, env.IsPullRequest)
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}
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// Env returns metadata about the current CI environment, falling back to LocalEnv
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// if not running on CI.
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func Env() Environment {
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switch {
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case os.Getenv("CI") == "true" && os.Getenv("TRAVIS") == "true":
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return Environment{
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Name: "travis",
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Repo: os.Getenv("TRAVIS_REPO_SLUG"),
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Commit: os.Getenv("TRAVIS_COMMIT"),
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Branch: os.Getenv("TRAVIS_BRANCH"),
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Tag: os.Getenv("TRAVIS_TAG"),
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Buildnum: os.Getenv("TRAVIS_BUILD_NUMBER"),
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IsPullRequest: os.Getenv("TRAVIS_PULL_REQUEST") != "false",
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}
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case os.Getenv("CI") == "True" && os.Getenv("APPVEYOR") == "True":
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return Environment{
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Name: "appveyor",
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Repo: os.Getenv("APPVEYOR_REPO_NAME"),
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Commit: os.Getenv("APPVEYOR_REPO_COMMIT"),
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Branch: os.Getenv("APPVEYOR_REPO_BRANCH"),
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Tag: os.Getenv("APPVEYOR_REPO_TAG_NAME"),
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Buildnum: os.Getenv("APPVEYOR_BUILD_NUMBER"),
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IsPullRequest: os.Getenv("APPVEYOR_PULL_REQUEST_NUMBER") != "",
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}
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default:
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return LocalEnv()
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}
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}
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// LocalEnv returns build environment metadata gathered from git.
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func LocalEnv() Environment {
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env := applyEnvFlags(Environment{Name: "local", Repo: "ethereum/go-ethereum"})
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if _, err := os.Stat(".git"); err != nil {
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return env
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}
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if env.Commit == "" {
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env.Commit = RunGit("rev-parse", "HEAD")
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}
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if env.Branch == "" {
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if b := RunGit("rev-parse", "--abbrev-ref", "HEAD"); b != "HEAD" {
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env.Branch = b
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}
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}
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if env.Tag == "" {
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env.Tag = firstLine(RunGit("tag", "-l", "--points-at", "HEAD"))
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}
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return env
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}
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func firstLine(s string) string {
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return strings.Split(s, "\n")[0]
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}
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func applyEnvFlags(env Environment) Environment {
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if !flag.Parsed() {
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panic("you need to call flag.Parse before Env or LocalEnv")
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}
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if *GitCommitFlag != "" {
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env.Commit = *GitCommitFlag
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}
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if *GitBranchFlag != "" {
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env.Branch = *GitBranchFlag
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}
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if *GitTagFlag != "" {
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env.Tag = *GitTagFlag
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}
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if *BuildnumFlag != "" {
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env.Buildnum = *BuildnumFlag
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}
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if *PullRequestFlag {
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env.IsPullRequest = true
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}
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return env
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}
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