123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217 |
- // Copyright 2016 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package build
- import (
- "bytes"
- "flag"
- "fmt"
- "go/parser"
- "go/token"
- "io"
- "io/ioutil"
- "log"
- "os"
- "os/exec"
- "path"
- "path/filepath"
- "strings"
- "text/template"
- )
- var DryRunFlag = flag.Bool("n", false, "dry run, don't execute commands")
- // MustRun executes the given command and exits the host process for
- // any error.
- func MustRun(cmd *exec.Cmd) {
- fmt.Println(">>>", strings.Join(cmd.Args, " "))
- if !*DryRunFlag {
- cmd.Stderr = os.Stderr
- cmd.Stdout = os.Stdout
- if err := cmd.Run(); err != nil {
- log.Fatal(err)
- }
- }
- }
- func MustRunCommand(cmd string, args ...string) {
- MustRun(exec.Command(cmd, args...))
- }
- var warnedAboutGit bool
- // RunGit runs a git subcommand and returns its output.
- // The command must complete successfully.
- func RunGit(args ...string) string {
- cmd := exec.Command("git", args...)
- var stdout, stderr bytes.Buffer
- cmd.Stdout, cmd.Stderr = &stdout, &stderr
- if err := cmd.Run(); err != nil {
- if e, ok := err.(*exec.Error); ok && e.Err == exec.ErrNotFound {
- if !warnedAboutGit {
- log.Println("Warning: can't find 'git' in PATH")
- warnedAboutGit = true
- }
- return ""
- }
- log.Fatal(strings.Join(cmd.Args, " "), ": ", err, "\n", stderr.String())
- }
- return strings.TrimSpace(stdout.String())
- }
- // readGitFile returns content of file in .git directory.
- func readGitFile(file string) string {
- content, err := ioutil.ReadFile(path.Join(".git", file))
- if err != nil {
- return ""
- }
- return strings.TrimSpace(string(content))
- }
- // Render renders the given template file into outputFile.
- func Render(templateFile, outputFile string, outputPerm os.FileMode, x interface{}) {
- tpl := template.Must(template.ParseFiles(templateFile))
- render(tpl, outputFile, outputPerm, x)
- }
- // RenderString renders the given template string into outputFile.
- func RenderString(templateContent, outputFile string, outputPerm os.FileMode, x interface{}) {
- tpl := template.Must(template.New("").Parse(templateContent))
- render(tpl, outputFile, outputPerm, x)
- }
- func render(tpl *template.Template, outputFile string, outputPerm os.FileMode, x interface{}) {
- if err := os.MkdirAll(filepath.Dir(outputFile), 0755); err != nil {
- log.Fatal(err)
- }
- out, err := os.OpenFile(outputFile, os.O_CREATE|os.O_WRONLY|os.O_EXCL, outputPerm)
- if err != nil {
- log.Fatal(err)
- }
- if err := tpl.Execute(out, x); err != nil {
- log.Fatal(err)
- }
- if err := out.Close(); err != nil {
- log.Fatal(err)
- }
- }
- // UploadSFTP uploads files to a remote host using the sftp command line tool.
- // The destination host may be specified either as [user@]host[: or as a URI in
- // the form sftp://[user@]host[:port].
- func UploadSFTP(identityFile, host, dir string, files []string) error {
- sftp := exec.Command("sftp")
- sftp.Stdout = nil
- sftp.Stderr = os.Stderr
- if identityFile != "" {
- sftp.Args = append(sftp.Args, "-i", identityFile)
- }
- sftp.Args = append(sftp.Args, host)
- fmt.Println(">>>", strings.Join(sftp.Args, " "))
- if *DryRunFlag {
- return nil
- }
- stdin, err := sftp.StdinPipe()
- if err != nil {
- return fmt.Errorf("can't create stdin pipe for sftp: %v", err)
- }
- if err := sftp.Start(); err != nil {
- return err
- }
- in := io.MultiWriter(stdin, os.Stdout)
- for _, f := range files {
- fmt.Fprintln(in, "put", f, path.Join(dir, filepath.Base(f)))
- }
- stdin.Close()
- return sftp.Wait()
- }
- // FindMainPackages finds all 'main' packages in the given directory and returns their
- // package paths.
- func FindMainPackages(dir string) []string {
- var commands []string
- cmds, err := ioutil.ReadDir(dir)
- if err != nil {
- log.Fatal(err)
- }
- for _, cmd := range cmds {
- pkgdir := filepath.Join(dir, cmd.Name())
- pkgs, err := parser.ParseDir(token.NewFileSet(), pkgdir, nil, parser.PackageClauseOnly)
- if err != nil {
- log.Fatal(err)
- }
- for name := range pkgs {
- if name == "main" {
- path := "./" + filepath.ToSlash(pkgdir)
- commands = append(commands, path)
- break
- }
- }
- }
- return commands
- }
- // ExpandPackagesNoVendor expands a cmd/go import path pattern, skipping
- // vendored packages.
- func ExpandPackagesNoVendor(tc *GoToolchain, patterns []string) []string {
- expand := false
- for _, pkg := range patterns {
- if strings.Contains(pkg, "...") {
- expand = true
- }
- }
- if expand {
- cmd := tc.goTool("list", patterns...)
- out, err := cmd.CombinedOutput()
- if err != nil {
- log.Fatalf("package listing failed: %v\n%s", err, string(out))
- }
- var packages []string
- for _, line := range strings.Split(string(out), "\n") {
- if !strings.Contains(line, "/vendor/") && !strings.Contains(line, "go: downloading") { // Quorum
- packages = append(packages, strings.TrimSpace(line))
- }
- }
- return packages
- }
- return patterns
- }
- // Read QUORUM_IGNORE_TEST_PACKAGES env and remove from packages
- func IgnorePackages(packages []string) []string {
- ignore := os.Getenv("QUORUM_IGNORE_TEST_PACKAGES")
- if ignore == "" {
- return packages
- }
- ret := make([]string, 0, len(packages))
- ignorePackages := strings.Split(ignore, ",")
- for _, p := range packages {
- mustInclude := true
- for _, ig := range ignorePackages {
- if strings.Index(p, strings.TrimSpace(ig)) == 0 {
- mustInclude = false
- break
- }
- }
- if mustInclude {
- ret = append(ret, p)
- }
- }
- return ret
- }
|