// TranslateExitCode translates errors from the "os/exec" package that
// contain exit codes into cmdline.ErrExitCode errors.
func TranslateExitCode(err error) error {
if exit, ok := err.(*exec.ExitError); ok {
if wait, ok := exit.Sys().(syscall.WaitStatus); ok {
if status := wait.ExitStatus(); wait.Exited() && status != 0 {
return cmdline.ErrExitCode(status)
}
}
}
return err
}
// InstallTools installs the tools from the given directory into
// $JIRI_ROOT/devtools/bin.
func InstallTools(ctx *tool.Context, dir string) error {
ctx.TimerPush("install tools")
defer ctx.TimerPop()
if ctx.DryRun() {
// In "dry run" mode, no binaries are built.
return nil
}
binDir, err := ToAbs(devtoolsBinDir)
if err != nil {
return err
}
fis, err := ioutil.ReadDir(dir)
if err != nil {
return fmt.Errorf("ReadDir(%v) failed: %v", dir, err)
}
failed := false
for _, fi := range fis {
installFn := func() error {
src := filepath.Join(dir, fi.Name())
dst := filepath.Join(binDir, fi.Name())
if err := ctx.Run().Rename(src, dst); err != nil {
return err
}
return nil
}
opts := runutil.Opts{Verbose: true}
if err := ctx.Run().FunctionWithOpts(opts, installFn, "install tool %q", fi.Name()); err != nil {
fmt.Fprintf(ctx.Stderr(), "%v\n", err)
failed = true
}
}
if failed {
return cmdline.ErrExitCode(2)
}
// Delete old "v23" tool, and the old jiri-xprofile command.
// TODO(nlacasse): Once everybody has had a chance to update, remove this
// code.
v23SubCmds := []string{
"jiri-xprofile",
"v23",
}
for _, subCmd := range v23SubCmds {
subCmdPath := filepath.Join(binDir, subCmd)
if err := ctx.Run().RemoveAll(subCmdPath); err != nil {
return err
}
}
return nil
}
// buildToolsFromMaster builds and installs all jiri tools using the version
// available in the local master branch of the tools repository. Notably, this
// function does not perform any version control operation on the master
// branch.
func buildToolsFromMaster(ctx *tool.Context, tools Tools, outputDir string) error {
localProjects, err := LocalProjects(ctx, FastScan)
if err != nil {
return err
}
failed := false
toolsToBuild, toolProjects := Tools{}, Projects{}
toolNames := []string{} // Used for logging purposes.
for _, tool := range tools {
// Skip tools with no package specified. Besides increasing
// robustness, this step also allows us to create jiri root
// fakes without having to provide an implementation for the "jiri"
// tool, which every manifest needs to specify.
if tool.Package == "" {
continue
}
project, ok := localProjects[tool.Project]
if !ok {
fmt.Errorf("unknown project %v for tool %v", tool.Project, tool.Name)
}
toolProjects[tool.Project] = project
toolsToBuild[tool.Name] = tool
toolNames = append(toolNames, tool.Name)
}
updateFn := func() error {
return ApplyToLocalMaster(ctx, toolProjects, func() error {
return BuildTools(ctx, toolsToBuild, outputDir)
})
}
// Always log the output of updateFn, irrespective of
// the value of the verbose flag.
opts := runutil.Opts{Verbose: true}
if err := ctx.Run().FunctionWithOpts(opts, updateFn, "build tools: %v", strings.Join(toolNames, " ")); err != nil {
fmt.Fprintf(ctx.Stderr(), "%v\n", err)
failed = true
}
if failed {
return cmdline.ErrExitCode(2)
}
return nil
}
func runSnapshotList(env *cmdline.Env, args []string) error {
ctx := tool.NewContextFromEnv(env)
if err := checkSnapshotDir(ctx); err != nil {
return err
}
snapshotDir, err := getSnapshotDir()
if err != nil {
return err
}
if len(args) == 0 {
// Identify all known snapshot labels, using a
// heuristic that looks for all symbolic links <foo>
// in the snapshot directory that point to a file in
// the "labels/<foo>" subdirectory of the snapshot
// directory.
fileInfoList, err := ioutil.ReadDir(snapshotDir)
if err != nil {
return fmt.Errorf("ReadDir(%v) failed: %v", snapshotDir, err)
}
for _, fileInfo := range fileInfoList {
if fileInfo.Mode()&os.ModeSymlink != 0 {
path := filepath.Join(snapshotDir, fileInfo.Name())
dst, err := filepath.EvalSymlinks(path)
if err != nil {
return fmt.Errorf("EvalSymlinks(%v) failed: %v", path, err)
}
if strings.HasSuffix(filepath.Dir(dst), filepath.Join("labels", fileInfo.Name())) {
args = append(args, fileInfo.Name())
}
}
}
}
// Check that all labels exist.
failed := false
for _, label := range args {
labelDir := filepath.Join(snapshotDir, "labels", label)
if _, err := ctx.Run().Stat(labelDir); err != nil {
if !os.IsNotExist(err) {
return err
}
failed = true
fmt.Fprintf(env.Stderr, "snapshot label %q not found", label)
}
}
if failed {
return cmdline.ErrExitCode(2)
}
// Print snapshots for all labels.
sort.Strings(args)
for _, label := range args {
// Scan the snapshot directory "labels/<label>" printing
// all snapshots.
labelDir := filepath.Join(snapshotDir, "labels", label)
fileInfoList, err := ioutil.ReadDir(labelDir)
if err != nil {
return fmt.Errorf("ReadDir(%v) failed: %v", labelDir, err)
}
fmt.Fprintf(env.Stdout, "snapshots of label %q:\n", label)
for _, fileInfo := range fileInfoList {
fmt.Fprintf(env.Stdout, " %v\n", fileInfo.Name())
}
}
return nil
}
func updateProjects(ctx *tool.Context, remoteProjects Projects, gc bool) error {
ctx.TimerPush("update projects")
defer ctx.TimerPop()
scanMode := FastScan
if gc {
scanMode = FullScan
}
localProjects, err := LocalProjects(ctx, scanMode)
if err != nil {
return err
}
gitHost, gitHostErr := GitHost(ctx)
if gitHostErr == nil && googlesource.IsGoogleSourceHost(gitHost) {
// Attempt to get the repo statuses from remote so we can detect when a
// local project is already up-to-date.
if repoStatuses, err := googlesource.GetRepoStatuses(ctx, gitHost); err != nil {
// Log the error but don't fail.
fmt.Fprintf(ctx.Stderr(), "Error fetching repo statuses from remote: %v\n", err)
} else {
for name, rp := range remoteProjects {
status, ok := repoStatuses[rp.Name]
if !ok {
continue
}
masterRev, ok := status.Branches["master"]
if !ok || masterRev == "" {
continue
}
rp.Revision = masterRev
remoteProjects[name] = rp
}
}
}
ops, err := computeOperations(localProjects, remoteProjects, gc)
if err != nil {
return err
}
for _, op := range ops {
if err := op.Test(ctx); err != nil {
return err
}
}
failed := false
manifest := &Manifest{Label: ctx.Manifest()}
for _, op := range ops {
updateFn := func() error { return op.Run(ctx, manifest) }
// Always log the output of updateFn, irrespective of
// the value of the verbose flag.
opts := runutil.Opts{Verbose: true}
if err := ctx.Run().FunctionWithOpts(opts, updateFn, "%v", op); err != nil {
fmt.Fprintf(ctx.Stderr(), "%v\n", err)
failed = true
}
}
if failed {
return cmdline.ErrExitCode(2)
}
if err := writeCurrentManifest(ctx, manifest); err != nil {
return err
}
return nil
}