// ListRepoPaths implements RepoPaths.
func (defaultRepoPaths) ListRepoPaths(vfs rwvfs.WalkableFileSystem, after string, max int) ([][]string, error) {
var paths [][]string
w := fs.WalkFS(".", rwvfs.Walkable(vfs))
for w.Step() {
if err := w.Err(); err != nil {
return nil, err
}
fi := w.Stat()
if w.Path() >= after && fi.Mode().IsDir() {
if fi.Name() == SrclibStoreDir {
w.SkipDir()
// NOTE: This assumes that the vfs's path
// separator is "/", which is not true in general.
paths = append(paths, strings.Split(w.Path(), "/"))
if max != 0 && len(paths) >= max {
break
}
continue
}
if fi.Name() != "." && strings.HasPrefix(fi.Name(), ".") {
w.SkipDir()
continue
}
}
}
return paths, nil
}
// LocalRepo creates a new single-repository build store for the VCS
// repository whose top-level directory is repoDir.
//
// The store is laid out as follows:
//
// . the root dir of repoStoreFS
// <COMMITID>/**/* build data for a specific commit
func LocalRepo(repoDir string) (RepoBuildStore, error) {
storeDir := filepath.Join(repoDir, BuildDataDirName)
if err := os.Mkdir(storeDir, 0700); err != nil && !os.IsExist(err) {
return nil, err
}
fs := rwvfs.OS(storeDir)
setCreateParentDirs(fs)
return Repo(rwvfs.Walkable(fs)), nil
}
func (c *BuildDataFetchCmd) Execute(args []string) error {
localFS, localRepoLabel, err := c.getLocalFileSystem()
if err != nil {
return err
}
remoteFS, remoteRepoLabel, repoRevSpec, err := c.getRemoteFileSystem()
if err != nil {
return err
}
// Use uncached API client because the .srclib-cache already
// caches it, and we want to be able to stream large files.
//
// TODO(sqs): this uncached client isn't authed because it doesn't
// have the other API client's http.Client or http.RoundTripper
cl := newAPIClientWithAuth(false)
remoteFS, err = cl.BuildData.FileSystem(repoRevSpec)
if err != nil {
return err
}
if GlobalOpt.Verbose {
log.Printf("Fetching remote build files for %s to %s...", remoteRepoLabel, localRepoLabel)
}
// TODO(sqs): check if file exists in local cache and don't fetch it if it does and if it is identical
par := parallel.NewRun(8)
w := fs.WalkFS(".", rwvfs.Walkable(remoteFS))
for w.Step() {
path := w.Path()
if err := w.Err(); err != nil {
if path == "." {
log.Printf("# No build data to pull from %s", remoteRepoLabel)
return nil
}
return fmt.Errorf("walking remote dir tree: %s", err)
}
fi := w.Stat()
if fi == nil {
continue
}
if !fi.Mode().IsRegular() {
continue
}
par.Do(func() error {
return fetchFile(remoteFS, localFS, path, fi, c.DryRun)
})
}
if err := par.Wait(); err != nil {
return fmt.Errorf("error fetching: %s", err)
}
return nil
}
func (s *fsTreeStore) unitFilenames() ([]string, error) {
var files []string
w := fs.WalkFS(".", rwvfs.Walkable(s.fs))
for w.Step() {
if err := w.Err(); err != nil {
return nil, err
}
fi := w.Stat()
if fi.Mode().IsRegular() && strings.HasSuffix(fi.Name(), unitFileSuffix) {
files = append(files, w.Path())
}
}
return files, nil
}
func (s *repoBuildStore) Commit(commitID string) rwvfs.WalkableFileSystem {
path := s.commitPath(commitID)
// Dereference path if path refers to a symlink, so that we can
// walk the tree.
e, _ := s.fs.Lstat(path)
if e != nil && e.Mode()&os.ModeSymlink != 0 {
if fs, ok := s.fs.(rwvfs.LinkFS); ok {
var err error
dst, err := fs.ReadLink(path)
if err == nil {
path = dst
} else if err == rwvfs.ErrOutsideRoot && FollowCrossFSSymlinks {
return rwvfs.Walkable(rwvfs.OS(dst))
} else {
log.Printf("Failed to read symlink %s: %s. Using non-dereferenced path.", path, err)
}
} else {
log.Printf("Repository build store path for commit %s is a symlink, but the current VFS %s doesn't support dereferencing symlinks.", commitID, s.fs)
}
}
return rwvfs.Walkable(rwvfs.Sub(s.fs, path))
}
// ReadCached reads a Tree's configuration from all of its source unit
// definition files (which may either be in a local VFS rooted at a
// .srclib-cache/<COMMITID> dir, or a remote VFS). It does not read
// the Srcfile; the Srcfile's directives are already accounted for in
// the cached source unit definition files.
//
// bdfs should be a VFS obtained from a call to
// (buildstore.RepoBuildStore).Commit.
func ReadCached(bdfs vfs.FileSystem) (*Tree, error) {
if _, err := bdfs.Lstat("."); os.IsNotExist(err) {
return nil, fmt.Errorf("build cache dir does not exist (did you run `src config` to create it)?")
} else if err != nil {
return nil, err
}
// Collect all **/*.unit.json files.
var unitFiles []string
unitSuffix := buildstore.DataTypeSuffix(unit.SourceUnit{})
w := fs.WalkFS(".", rwvfs.Walkable(rwvfs.ReadOnly(bdfs)))
for w.Step() {
if err := w.Err(); err != nil {
return nil, err
}
if path := w.Path(); strings.HasSuffix(path, unitSuffix) {
unitFiles = append(unitFiles, path)
}
}
// Parse units
sort.Strings(unitFiles)
units := make([]*unit.SourceUnit, len(unitFiles))
par := parallel.NewRun(runtime.GOMAXPROCS(0))
for i_, unitFile_ := range unitFiles {
i, unitFile := i_, unitFile_
par.Do(func() error {
f, err := bdfs.Open(unitFile)
if err != nil {
return err
}
if err := json.NewDecoder(f).Decode(&units[i]); err != nil {
f.Close()
return err
}
if err := f.Close(); err != nil {
return err
}
return nil
})
}
if err := par.Wait(); err != nil {
return nil, err
}
return &Tree{SourceUnits: units}, nil
}
func (c *BuildDataRemoveCmd) Execute(args []string) error {
if len(c.Args.Files) == 0 && !c.All {
return fmt.Errorf("no files specified")
}
if c.All {
if !c.Local {
return fmt.Errorf("--all and --local must be used together")
}
lrepo, err := openLocalRepo()
if err != nil {
return err
}
if err := os.RemoveAll(filepath.Join(lrepo.RootDir, store.SrclibStoreDir)); err != nil {
return err
}
if err := os.RemoveAll(filepath.Join(lrepo.RootDir, buildstore.BuildDataDirName)); err != nil {
return err
}
return nil
}
bdfs, repoLabel, err := c.getFileSystem()
if err != nil {
return err
}
if GlobalOpt.Verbose {
log.Printf("Removing build files %v for %s", c.Args.Files, repoLabel)
}
vfs := removeLoggedFS{rwvfs.Walkable(bdfs)}
for _, file := range c.Args.Files {
if c.Recursive {
if err := buildstore.RemoveAll(file, vfs); err != nil {
return err
}
} else {
if err := vfs.Remove(file); err != nil {
return err
}
}
}
return nil
}
// store returns the store specified by StoreCmd's Type and Root
// options.
func (c *StoreCmd) store() (interface{}, error) {
fs := rwvfs.OS(c.Root)
type createParents interface {
CreateParentDirs(bool)
}
if fs, ok := fs.(createParents); ok {
fs.CreateParentDirs(true)
}
switch c.Type {
case "RepoStore":
return store.NewFSRepoStore(fs), nil
case "MultiRepoStore":
return store.NewFSMultiRepoStore(rwvfs.Walkable(fs), nil), nil
default:
return nil, fmt.Errorf("unrecognized store --type value: %q (valid values are RepoStore, MultiRepoStore)", c.Type)
}
}
func TestMap_Walk2(t *testing.T) {
m := map[string]string{"a/b/c/d": "a"}
mapFS := rwvfs.Map(m)
var names []string
w := fs.WalkFS(".", rwvfs.Walkable(rwvfs.Sub(mapFS, "a/b")))
for w.Step() {
if err := w.Err(); err != nil {
t.Fatalf("walk path %q: %s", w.Path(), err)
}
names = append(names, w.Path())
}
wantNames := []string{".", "c", "c/d"}
sort.Strings(names)
sort.Strings(wantNames)
if !reflect.DeepEqual(names, wantNames) {
t.Errorf("got entry names %v, want %v", names, wantNames)
}
}
func testGlob(t *testing.T, fs rwvfs.FileSystem) {
label := fmt.Sprintf("%T", fs)
files := []string{"x/y/0.txt", "x/y/1.txt", "x/2.txt"}
for _, file := range files {
err := rwvfs.MkdirAll(fs, filepath.Dir(file))
if err != nil {
t.Fatalf("%s: MkdirAll: %s", label, err)
}
w, err := fs.Create(file)
if err != nil {
t.Errorf("%s: Create(%q): %s", label, file, err)
return
}
w.Close()
}
globTests := []struct {
prefix string
pattern string
matches []string
}{
{"", "x/y/*.txt", []string{"x/y/0.txt", "x/y/1.txt"}},
{"x/y", "x/y/*.txt", []string{"x/y/0.txt", "x/y/1.txt"}},
{"", "x/*", []string{"x/y", "x/2.txt"}},
}
for _, test := range globTests {
matches, err := rwvfs.Glob(rwvfs.Walkable(fs), test.prefix, test.pattern)
if err != nil {
t.Errorf("%s: Glob(prefix=%q, pattern=%q): %s", label, test.prefix, test.pattern, err)
continue
}
sort.Strings(test.matches)
sort.Strings(matches)
if !reflect.DeepEqual(matches, test.matches) {
t.Errorf("%s: Glob(prefix=%q, pattern=%q): got %v, want %v", label, test.prefix, test.pattern, matches, test.matches)
}
}
}
func TestOS_ReadLink_walkable(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "rwvfs-test-")
if err != nil {
t.Fatal("TempDir", err)
}
defer os.RemoveAll(tmpdir)
if err := ioutil.WriteFile(filepath.Join(tmpdir, "myfile"), []byte("hello"), 0600); err != nil {
t.Fatal(err)
}
if err := os.Symlink(filepath.Join(tmpdir, "myfile"), filepath.Join(tmpdir, "mylink")); err != nil {
t.Fatal(err)
}
osfs := rwvfs.OS(tmpdir)
dst, err := rwvfs.Walkable(osfs).(rwvfs.LinkFS).ReadLink("mylink")
if err != nil {
t.Fatal(err)
}
if want := "myfile"; dst != want {
t.Errorf("%s: ReadLink: got %q, want %q", osfs, dst, want)
}
}
func (c *BuildDataUploadCmd) Execute(args []string) error {
localFS, localRepoLabel, err := c.getLocalFileSystem()
if err != nil {
return err
}
remoteFS, remoteRepoLabel, _, err := c.getRemoteFileSystem()
if err != nil {
return err
}
if GlobalOpt.Verbose {
log.Printf("Uploading build files from %s to %s...", localRepoLabel, remoteRepoLabel)
}
// TODO(sqs): check if file exists remotely and don't upload it if it does and if it is identical
par := parallel.NewRun(8)
w := fs.WalkFS(".", rwvfs.Walkable(localFS))
for w.Step() {
if err := w.Err(); err != nil {
return err
}
fi := w.Stat()
if fi == nil {
continue
}
if !fi.Mode().IsRegular() {
continue
}
path := w.Path()
par.Do(func() error {
return uploadFile(localFS, remoteFS, path, fi, c.DryRun)
})
}
return par.Wait()
}
func (s *MultiStore) RepoBuildStore(repoURI string) (RepoBuildStore, error) {
path := filepath.Clean(string(repoURI))
return Repo(rwvfs.Walkable(rwvfs.Sub(s.fs, path))), nil
}
// NewMulti creates a new multi-repo build store.
func NewMulti(fs rwvfs.FileSystem) *MultiStore {
return &MultiStore{rwvfs.Walkable(fs)}
}
func (c *BuildDataListCmd) Execute(args []string) error {
if c.URLs && c.Local {
return fmt.Errorf("using --urls is incompatible with the build-data -l/--local option because local build data files do not have a URL")
}
if c.URLs {
c.Long = true
}
dir := c.Args.Dir
if dir == "" {
dir = "."
}
bdfs, repoLabel, err := c.getFileSystem()
if err != nil {
return err
}
if GlobalOpt.Verbose {
log.Printf("Listing build files for %s in dir %q", repoLabel, dir)
}
// Only used for constructing the URLs for remote build data.
var repoRevSpec sourcegraph.RepoRevSpec
if !c.Local {
cl := NewAPIClientWithAuthIfPresent()
rrepo, err := getRemoteRepo(cl)
if err != nil {
return err
}
repoRevSpec.RepoSpec = rrepo.RepoSpec()
lrepo, err := openLocalRepo()
if err != nil {
return err
}
repoRevSpec.Rev = lrepo.CommitID
repoRevSpec.CommitID = lrepo.CommitID
}
printFile := func(fi os.FileInfo) {
if c.Type == "f" && !fi.Mode().IsRegular() {
return
}
if c.Type == "d" && !fi.Mode().IsDir() {
return
}
var suffix string
if fi.IsDir() {
suffix = "/"
}
var urlStr string
if c.URLs {
spec := sourcegraph.BuildDataFileSpec{RepoRev: repoRevSpec, Path: filepath.Join(dir, fi.Name())}
// TODO(sqs): use sourcegraph.Router when it is merged to go-sourcegraph master
u, err := router.NewAPIRouter(nil).Get(router.RepoBuildDataEntry).URLPath(router.MapToArray(spec.RouteVars())...)
if err != nil {
log.Fatal(err)
}
// Strip leading "/" so that the URL is relative to the
// endpoint URL even if the endpoint URL contains a path.
urlStr = getEndpointURL().ResolveReference(&url.URL{Path: u.Path[1:]}).String()
}
if c.Long {
var timeStr string
if !fi.ModTime().IsZero() {
timeStr = fi.ModTime().Format("Jan _2 15:04")
}
fmt.Printf("% 7d %12s %s%s %s\n", fi.Size(), timeStr, fi.Name(), suffix, urlStr)
} else {
fmt.Println(fi.Name() + suffix)
}
}
var fis []os.FileInfo
if c.Recursive {
w := fs.WalkFS(dir, rwvfs.Walkable(bdfs))
for w.Step() {
if err := w.Err(); err != nil {
return err
}
printFile(treeFileInfo{w.Path(), w.Stat()})
}
} else {
fis, err = bdfs.ReadDir(dir)
if err != nil {
return err
}
for _, fi := range fis {
printFile(fi)
}
}
return nil
}
