func open(repoPath string) (repo.Repo, error) {
packageLock.Lock()
defer packageLock.Unlock()
r, err := newFSRepo(repoPath)
if err != nil {
return nil, err
}
// Check if its initialized
if err := checkInitialized(r.path); err != nil {
return nil, err
}
r.lockfile, err = lockfile.Lock(r.path)
if err != nil {
return nil, err
}
keepLocked := false
defer func() {
// unlock on error, leave it locked on success
if !keepLocked {
r.lockfile.Close()
}
}()
// Check version, and error out if not matching
ver, err := mfsr.RepoPath(r.path).Version()
if err != nil {
if os.IsNotExist(err) {
return nil, ErrNoVersion
}
return nil, err
}
if ver != RepoVersion {
return nil, fmt.Errorf(errIncorrectRepoFmt, ver, RepoVersion)
}
// check repo path, then check all constituent parts.
if err := dir.Writable(r.path); err != nil {
return nil, err
}
if err := r.openConfig(); err != nil {
return nil, err
}
if err := r.openDatastore(); err != nil {
return nil, err
}
// setup eventlogger
configureEventLoggerAtRepoPath(r.config, r.path)
keepLocked = true
return r, nil
}
func open(repoPath string) (repo.Repo, error) {
packageLock.Lock()
defer packageLock.Unlock()
r, err := newFSRepo(repoPath)
if err != nil {
return nil, err
}
// Check if its initialized
if err := checkInitialized(r.path); err != nil {
return nil, err
}
r.lockfile, err = lockfile.Lock(r.path)
if err != nil {
return nil, err
}
keepLocked := false
defer func() {
// unlock on error, leave it locked on success
if !keepLocked {
r.lockfile.Close()
}
}()
// Check version, and error out if not matching
ver, err := mfsr.RepoPath(r.path).Version()
if err != nil {
if os.IsNotExist(err) {
return nil, ErrNoVersion
}
return nil, err
}
if RepoVersion > ver {
return nil, ErrNeedMigration
} else if ver > RepoVersion {
// program version too low for existing repo
return nil, fmt.Errorf(programTooLowMessage, RepoVersion, ver)
}
// check repo path, then check all constituent parts.
if err := dir.Writable(r.path); err != nil {
return nil, err
}
if err := r.openConfig(); err != nil {
return nil, err
}
if err := r.openDatastore(); err != nil {
return nil, err
}
keepLocked = true
return r, nil
}