diff --git a/HISTORY.rst b/HISTORY.rst
index fa6f3a30..d535501a 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -38,6 +38,7 @@ PlatformIO 3.0
 * Escape project path when Glob matching is used
 * Do not overwrite project configuration variables when system environment
   variables are set
+* Handle dependencies when installing non-registry package/library (VCS, archive, local folder)
 * Fixed package installing with VCS branch for Python 2.7.3
   (`issue #885 <https://github.com/platformio/platformio-core/issues/885>`_)
 
diff --git a/platformio/commands/lib.py b/platformio/commands/lib.py
index d418221e..068c96b5 100644
--- a/platformio/commands/lib.py
+++ b/platformio/commands/lib.py
@@ -15,7 +15,7 @@
 # pylint: disable=too-many-branches, too-many-locals
 
 import json
-from os.path import join
+from os.path import isdir, join
 from time import sleep
 from urllib import quote
 
@@ -116,22 +116,23 @@ def lib_uninstall(lm, libraries):
 @click.pass_obj
 def lib_update(lm, libraries, only_check, json_output):
     if not libraries:
-        libraries = []
-        for manifest in lm.get_installed():
-            if "@vcs-" in manifest['__pkg_dir']:
-                libraries.append("%s=%s" % (manifest['name'], manifest['url']))
-            else:
-                libraries.append(str(manifest.get("id", manifest['name'])))
+        libraries = [manifest['__pkg_dir'] for manifest in lm.get_installed()]
 
     if only_check and json_output:
         result = []
         for library in libraries:
-            name, requirements, url = lm.parse_pkg_name(library)
-            latest = lm.outdated(name, requirements, url)
+            pkg_dir = library if isdir(library) else None
+            requirements = None
+            url = None
+            if not pkg_dir:
+                name, requirements, url = lm.parse_pkg_input(library)
+                pkg_dir = lm.get_package_dir(name, requirements, url)
+            if not pkg_dir:
+                continue
+            latest = lm.outdated(pkg_dir, requirements)
             if not latest:
                 continue
-            manifest = lm.load_manifest(
-                lm.get_package_dir(name, requirements, url))
+            manifest = lm.load_manifest(pkg_dir)
             manifest['versionLatest'] = latest
             result.append(manifest)
         return click.echo(json.dumps(result))
@@ -167,6 +168,9 @@ def print_lib_item(item):
         click.echo("Authors: %s" % ", ".join(
             item.get("authornames",
                      [a.get("name", "") for a in item.get("authors", [])])))
+
+    if "__src_url" in item:
+        click.secho("Source: %s" % item['__src_url'])
     click.echo()
 
 
@@ -270,8 +274,7 @@ def get_builtin_libs(storage_names=None):
     storage_names = storage_names or []
     pm = PlatformManager()
     for manifest in pm.get_installed():
-        p = PlatformFactory.newPlatform(
-            pm.get_manifest_path(manifest['__pkg_dir']))
+        p = PlatformFactory.newPlatform(manifest['__pkg_dir'])
         for storage in p.get_lib_storages():
             if storage_names and storage['name'] not in storage_names:
                 continue
@@ -308,7 +311,7 @@ def lib_builtin(storage, json_output):
 @click.option("--json-output", is_flag=True)
 def lib_show(library, json_output):
     lm = LibraryManager()
-    name, requirements, _ = lm.parse_pkg_name(library)
+    name, requirements, _ = lm.parse_pkg_input(library)
     lib_id = lm.get_pkg_id_by_name(
         name, requirements, silent=json_output, interactive=not json_output)
     lib = get_api_result("/lib/info/%d" % lib_id, cache_valid="1d")
diff --git a/platformio/commands/platform.py b/platformio/commands/platform.py
index 0d138633..0d01cc6d 100644
--- a/platformio/commands/platform.py
+++ b/platformio/commands/platform.py
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 import json
-from os.path import dirname, isfile, join
+from os.path import dirname, isdir
 
 import click
 
@@ -94,10 +94,12 @@ def _get_installed_platform_data(platform,
     # del data['version']
     # return data
 
-    data['__pkg_dir'] = dirname(p.manifest_path)
-    # if VCS cloned platform
-    if not isfile(join(data['__pkg_dir'], "platform.json")):
-        data['__pkg_dir'] = dirname(data['__pkg_dir'])
+    # overwrite VCS version and add extra fields
+    manifest = PlatformManager().load_manifest(dirname(p.manifest_path))
+    assert manifest
+    for key in manifest:
+        if key == "version" or key.startswith("__"):
+            data[key] = manifest[key]
 
     if with_boards:
         data['boards'] = [c.get_brief_data() for c in p.get_boards().values()]
@@ -214,7 +216,7 @@ def platform_list(json_output):
     for manifest in pm.get_installed():
         platforms.append(
             _get_installed_platform_data(
-                pm.get_manifest_path(manifest['__pkg_dir']),
+                manifest['__pkg_dir'],
                 with_boards=False,
                 expose_packages=False))
     if json_output:
@@ -336,22 +338,25 @@ def platform_update(platforms, only_packages, only_check, json_output):
     pm = PlatformManager()
     if not platforms:
         platforms = []
-        for manifest in pm.get_installed():
-            if "@vcs-" in manifest['__pkg_dir']:
-                platforms.append("%s=%s" % (manifest['name'], manifest['url']))
-            else:
-                platforms.append(manifest['name'])
+        platforms = [manifest['__pkg_dir'] for manifest in pm.get_installed()]
 
     if only_check and json_output:
         result = []
         for platform in platforms:
-            name, requirements, url = pm.parse_pkg_name(platform)
-            latest = pm.outdated(name, requirements, url)
+            pkg_dir = platform if isdir(platform) else None
+            requirements = None
+            url = None
+            if not pkg_dir:
+                name, requirements, url = pm.parse_pkg_input(platform)
+                pkg_dir = pm.get_package_dir(name, requirements, url)
+            if not pkg_dir:
+                continue
+            latest = pm.outdated(pkg_dir, requirements)
             if not latest:
                 continue
             data = _get_installed_platform_data(
-                name, with_boards=False, expose_packages=False)
-            data['versionLatest'] = latest or "Unknown"
+                pkg_dir, with_boards=False, expose_packages=False)
+            data['versionLatest'] = latest
             result.append(data)
         return click.echo(json.dumps(result))
     else:
diff --git a/platformio/maintenance.py b/platformio/maintenance.py
index af98280b..2acc8ef1 100644
--- a/platformio/maintenance.py
+++ b/platformio/maintenance.py
@@ -163,8 +163,7 @@ def after_upgrade(ctx):
             # update development platforms
             pm = PlatformManager()
             for manifest in pm.get_installed():
-                # pm.update(manifest['name'], "^" + manifest['version'])
-                pm.update(manifest['name'])
+                pm.update(manifest['__pkg_dir'])
 
             # update PlatformIO Plus tool if installed
             pioplus_update()
@@ -262,7 +261,7 @@ def check_internal_updates(ctx, what):
     outdated_items = []
     for manifest in pm.get_installed():
         if manifest['name'] not in outdated_items and \
-                pm.outdated(manifest['name']):
+                pm.outdated(manifest['__pkg_dir']):
             outdated_items.append(manifest['name'])
 
     if not outdated_items:
diff --git a/platformio/managers/lib.py b/platformio/managers/lib.py
index 0e9a5457..2b466c62 100644
--- a/platformio/managers/lib.py
+++ b/platformio/managers/lib.py
@@ -15,10 +15,8 @@
 # pylint: disable=too-many-arguments, too-many-locals, too-many-branches
 
 import json
-import os
 import re
 from glob import glob
-from hashlib import md5
 from os.path import isdir, join
 
 import arrow
@@ -61,8 +59,8 @@ class LibraryManager(BasePkgManager):
 
         return None
 
-    def load_manifest(self, path):
-        manifest = BasePkgManager.load_manifest(self, path)
+    def load_manifest(self, pkg_dir):
+        manifest = BasePkgManager.load_manifest(self, pkg_dir)
         if not manifest:
             return manifest
 
@@ -76,6 +74,9 @@ class LibraryManager(BasePkgManager):
             manifest['authors'] = [{"name": manifest['author']}]
             del manifest['author']
 
+        if "authors" in manifest and not isinstance(manifest['authors'], list):
+            manifest['authors'] = [manifest['authors']]
+
         if "keywords" not in manifest:
             keywords = []
             for keyword in re.split(r"[\s/]+",
@@ -123,31 +124,6 @@ class LibraryManager(BasePkgManager):
 
         return manifest
 
-    def check_pkg_structure(self, pkg_dir):
-        try:
-            return BasePkgManager.check_pkg_structure(self, pkg_dir)
-        except exception.MissingPackageManifest:
-            # we will generate manifest automatically
-            # if library doesn't contain any
-            pass
-
-        manifest = {
-            "name": "Library_" + md5(pkg_dir).hexdigest()[:5],
-            "version": "0.0.0"
-        }
-        for root, dirs, files in os.walk(pkg_dir):
-            if len(dirs) == 1 and not files:
-                manifest['name'] = dirs[0]
-                continue
-            if dirs or files:
-                pkg_dir = root
-                break
-
-        with open(join(pkg_dir, self.manifest_names[0]), "w") as fp:
-            json.dump(manifest, fp)
-
-        return pkg_dir
-
     @staticmethod
     def normalize_dependencies(dependencies):
         if not dependencies:
@@ -239,7 +215,7 @@ class LibraryManager(BasePkgManager):
             }, silent, interactive)['id'])
 
     def _install_from_piorepo(self, name, requirements):
-        assert name.startswith("id=")
+        assert name.startswith("id="), name
         version = self.get_latest_repo_version(name, requirements)
         if not version:
             raise exception.UndefinedPackageVersion(requirements or "latest",
@@ -260,28 +236,23 @@ class LibraryManager(BasePkgManager):
                 silent=False,
                 trigger_event=True,
                 interactive=False):
-        already_installed = False
-        _name, _requirements, _url = self.parse_pkg_name(name, requirements)
-
         try:
+            _name, _requirements, _url = self.parse_pkg_input(name,
+                                                              requirements)
             if not _url:
-                _name = "id=%d" % self.get_pkg_id_by_name(
+                name = "id=%d" % self.get_pkg_id_by_name(
                     _name,
                     _requirements,
                     silent=silent,
                     interactive=interactive)
-            already_installed = self.get_package(_name, _requirements, _url)
-            pkg_dir = BasePkgManager.install(
-                self, _name
-                if not _url else name, _requirements, silent, trigger_event)
+                requirements = _requirements
+            pkg_dir = BasePkgManager.install(self, name, requirements, silent,
+                                             trigger_event)
         except exception.InternetIsOffline as e:
             if not silent:
                 click.secho(str(e), fg="yellow")
             return
 
-        if already_installed:
-            return
-
         manifest = self.load_manifest(pkg_dir)
         if "dependencies" not in manifest:
             return pkg_dir
diff --git a/platformio/managers/package.py b/platformio/managers/package.py
index 76cac33c..94e59e87 100644
--- a/platformio/managers/package.py
+++ b/platformio/managers/package.py
@@ -17,7 +17,7 @@ import hashlib
 import json
 import os
 import shutil
-from os.path import basename, dirname, getsize, isdir, isfile, islink, join
+from os.path import basename, getsize, isdir, isfile, islink, join
 from tempfile import mkdtemp
 
 import click
@@ -127,16 +127,36 @@ class PkgRepoMixin(object):
 
 class PkgInstallerMixin(object):
 
-    VCS_MANIFEST_NAME = ".piopkgmanager.json"
+    SRC_MANIFEST_NAME = ".piopkgmanager.json"
 
     FILE_CACHE_VALID = "1m"  # 1 month
     FILE_CACHE_MAX_SIZE = 1024 * 1024
 
-    _INSTALLED_CACHE = {}
+    MEMORY_CACHE = {}
 
-    def reset_cache(self):
-        if self.package_dir in PkgInstallerMixin._INSTALLED_CACHE:
-            del PkgInstallerMixin._INSTALLED_CACHE[self.package_dir]
+    @staticmethod
+    def cache_get(key, default=None):
+        return PkgInstallerMixin.MEMORY_CACHE.get(key, default)
+
+    @staticmethod
+    def cache_set(key, value):
+        PkgInstallerMixin.MEMORY_CACHE[key] = value
+
+    @staticmethod
+    def cache_reset():
+        PkgInstallerMixin.MEMORY_CACHE = {}
+
+    def read_dirs(self, src_dir):
+        cache_key = "read_dirs-%s" % src_dir
+        result = self.cache_get(cache_key)
+        if result:
+            return result
+        result = [
+            join(src_dir, name) for name in sorted(os.listdir(src_dir))
+            if isdir(join(src_dir, name))
+        ]
+        self.cache_set(cache_key, result)
+        return result
 
     def download(self, url, dest_dir, sha1=None):
         cache_key_fname = app.ContentCache.key_from_args(url, "fname")
@@ -171,26 +191,23 @@ class PkgInstallerMixin(object):
         return fu.start()
 
     @staticmethod
-    def generate_install_dirname(manifest):
+    def get_install_dirname(manifest):
         name = manifest['name']
         if "id" in manifest:
             name += "_ID%d" % manifest['id']
         return name
 
-    def get_vcs_manifest_path(self, pkg_dir):
+    def get_src_manifest_path(self, pkg_dir):
         for item in os.listdir(pkg_dir):
             if not isdir(join(pkg_dir, item)):
                 continue
-            if isfile(join(pkg_dir, item, self.VCS_MANIFEST_NAME)):
-                return join(pkg_dir, item, self.VCS_MANIFEST_NAME)
+            if isfile(join(pkg_dir, item, self.SRC_MANIFEST_NAME)):
+                return join(pkg_dir, item, self.SRC_MANIFEST_NAME)
         return None
 
     def get_manifest_path(self, pkg_dir):
         if not isdir(pkg_dir):
             return None
-        manifest_path = self.get_vcs_manifest_path(pkg_dir)
-        if manifest_path:
-            return manifest_path
         for name in self.manifest_names:
             manifest_path = join(pkg_dir, name)
             if isfile(manifest_path):
@@ -198,73 +215,104 @@ class PkgInstallerMixin(object):
         return None
 
     def manifest_exists(self, pkg_dir):
-        return self.get_manifest_path(pkg_dir) is not None
+        return self.get_manifest_path(pkg_dir) or \
+            self.get_src_manifest_path(pkg_dir)
 
-    def load_manifest(self, path):  # pylint: disable=too-many-branches
-        assert path
-        pkg_dir = path
-        if isdir(path):
-            path = self.get_manifest_path(path)
-            if not path:
-                return None
-        else:
-            pkg_dir = dirname(pkg_dir)
+    def load_manifest(self, pkg_dir):
+        cache_key = "load_manifest-%s" % pkg_dir
+        result = self.cache_get(cache_key)
+        if result:
+            return result
 
-        is_vcs_pkg = False
-        if isfile(path) and path.endswith(self.VCS_MANIFEST_NAME):
-            is_vcs_pkg = True
-            pkg_dir = dirname(dirname(path))
+        manifest_path = self.get_manifest_path(pkg_dir)
+        if not manifest_path:
+            return None
 
-        # return from cache
-        if self.package_dir in PkgInstallerMixin._INSTALLED_CACHE:
-            for manifest in PkgInstallerMixin._INSTALLED_CACHE[
-                    self.package_dir]:
-                if not is_vcs_pkg and manifest['__pkg_dir'] == pkg_dir:
-                    return manifest
+        # if non-registry packages: VCS or archive
+        src_manifest_path = self.get_src_manifest_path(pkg_dir)
+        src_manifest = None
+        if src_manifest_path:
+            src_manifest = util.load_json(src_manifest_path)
 
         manifest = {}
-        if path.endswith(".json"):
-            manifest = util.load_json(path)
-        elif path.endswith(".properties"):
-            with codecs.open(path, encoding="utf-8") as fp:
+        if manifest_path.endswith(".json"):
+            manifest = util.load_json(manifest_path)
+        elif manifest_path.endswith(".properties"):
+            with codecs.open(manifest_path, encoding="utf-8") as fp:
                 for line in fp.readlines():
                     if "=" not in line:
                         continue
                     key, value = line.split("=", 1)
                     manifest[key.strip()] = value.strip()
-        else:
+
+        if src_manifest:
             if "name" not in manifest:
-                manifest['name'] = basename(pkg_dir)
-            if "version" not in manifest:
-                manifest['version'] = "0.0.0"
+                manifest['name'] = src_manifest['name']
+            if "version" in src_manifest:
+                manifest['version'] = src_manifest['version']
+            manifest['__src_url'] = src_manifest['url']
+
+        if "name" not in manifest:
+            manifest['name'] = basename(pkg_dir)
+        if "version" not in manifest:
+            manifest['version'] = "0.0.0"
 
         manifest['__pkg_dir'] = pkg_dir
+        self.cache_set(cache_key, manifest)
         return manifest
 
     def get_installed(self):
-        if self.package_dir in PkgInstallerMixin._INSTALLED_CACHE:
-            return PkgInstallerMixin._INSTALLED_CACHE[self.package_dir]
         items = []
-        for p in sorted(os.listdir(self.package_dir)):
-            pkg_dir = join(self.package_dir, p)
-            if not isdir(pkg_dir):
-                continue
+        for pkg_dir in self.read_dirs(self.package_dir):
             manifest = self.load_manifest(pkg_dir)
             if not manifest:
                 continue
             assert "name" in manifest
             items.append(manifest)
-        PkgInstallerMixin._INSTALLED_CACHE[self.package_dir] = items
         return items
 
-    def check_pkg_structure(self, pkg_dir):
-        if self.manifest_exists(pkg_dir):
-            return pkg_dir
+    def get_package(self, name, requirements=None, url=None):
+        pkg_id = int(name[3:]) if name.startswith("id=") else 0
+        best = None
+        for manifest in self.get_installed():
+            if url:
+                if manifest.get("__src_url") != url:
+                    continue
+            elif pkg_id and manifest.get("id") != pkg_id:
+                continue
+            elif not pkg_id and manifest['name'] != name:
+                continue
 
-        for root, _, _ in os.walk(pkg_dir):
+            # strict version or VCS HASH
+            if requirements and requirements == manifest['version']:
+                return manifest
+
+            try:
+                if requirements and not semantic_version.Spec(
+                        requirements).match(
+                            semantic_version.Version(
+                                manifest['version'], partial=True)):
+                    continue
+                elif not best or (semantic_version.Version(
+                        manifest['version'], partial=True) >
+                                  semantic_version.Version(
+                                      best['version'], partial=True)):
+                    best = manifest
+            except ValueError:
+                pass
+
+        return best
+
+    def get_package_dir(self, name, requirements=None, url=None):
+        manifest = self.get_package(name, requirements, url)
+        return manifest.get("__pkg_dir") if manifest else None
+
+    def find_pkg_root(self, src_dir):
+        if self.manifest_exists(src_dir):
+            return src_dir
+        for root, _, _ in os.walk(src_dir):
             if self.manifest_exists(root):
                 return root
-
         raise exception.MissingPackageManifest(", ".join(self.manifest_names))
 
     def _install_from_piorepo(self, name, requirements):
@@ -291,18 +339,25 @@ class PkgInstallerMixin(object):
                                                     util.get_systype())
         return pkg_dir
 
-    def _install_from_url(self, name, url, requirements=None, sha1=None):
+    def _install_from_url(self,
+                          name,
+                          url,
+                          requirements=None,
+                          sha1=None,
+                          track=False):
         pkg_dir = None
         tmp_dir = mkdtemp("-package", "installing-", self.package_dir)
+        src_manifest_dir = None
+        src_manifest = {"name": name, "url": url, "requirements": requirements}
 
         try:
             if url.startswith("file://"):
-                url = url[7:]
-                if isfile(url):
-                    self.unpack(url, tmp_dir)
+                _url = url[7:]
+                if isfile(_url):
+                    self.unpack(_url, tmp_dir)
                 else:
                     util.rmtree_(tmp_dir)
-                    shutil.copytree(url, tmp_dir)
+                    shutil.copytree(_url, tmp_dir)
             elif url.startswith(("http://", "https://")):
                 dlpath = self.download(url, tmp_dir, sha1)
                 assert isfile(dlpath)
@@ -311,29 +366,52 @@ class PkgInstallerMixin(object):
             else:
                 vcs = VCSClientFactory.newClient(tmp_dir, url)
                 assert vcs.export()
-                with open(join(vcs.storage_dir, self.VCS_MANIFEST_NAME),
-                          "w") as fp:
-                    json.dump({
-                        "name": name,
-                        "version": vcs.get_current_revision(),
-                        "url": url,
-                        "requirements": requirements
-                    }, fp)
+                src_manifest_dir = vcs.storage_dir
+                src_manifest['version'] = vcs.get_current_revision()
+
+            pkg_dir = self.find_pkg_root(tmp_dir)
+
+            # write source data to a special manifest
+            if track:
+                if not src_manifest_dir:
+                    src_manifest_dir = join(pkg_dir, ".pio")
+                self._update_src_manifest(src_manifest, src_manifest_dir)
 
-            pkg_dir = self.check_pkg_structure(tmp_dir)
             pkg_dir = self._install_from_tmp_dir(pkg_dir, requirements)
         finally:
             if isdir(tmp_dir):
                 util.rmtree_(tmp_dir)
         return pkg_dir
 
-    def _install_from_tmp_dir(self, tmp_dir, requirements=None):
-        tmp_manifest_path = self.get_manifest_path(tmp_dir)
-        tmp_manifest = self.load_manifest(tmp_manifest_path)
+    def _update_src_manifest(self, data, src_dir):
+        if not isdir(src_dir):
+            os.makedirs(src_dir)
+        src_manifest_path = join(src_dir, self.SRC_MANIFEST_NAME)
+        _data = data
+        if isfile(src_manifest_path):
+            _data.update(util.load_json(src_manifest_path))
+        with open(src_manifest_path, "w") as fp:
+            json.dump(_data, fp)
+
+    def _install_from_tmp_dir(  # pylint: disable=too-many-branches
+            self, tmp_dir, requirements=None):
+        tmp_manifest = self.load_manifest(tmp_dir)
         assert set(["name", "version"]) <= set(tmp_manifest.keys())
 
-        name = self.generate_install_dirname(tmp_manifest)
-        pkg_dir = join(self.package_dir, name)
+        pkg_dirname = self.get_install_dirname(tmp_manifest)
+        pkg_dir = join(self.package_dir, pkg_dirname)
+        cur_manifest = self.load_manifest(pkg_dir)
+
+        tmp_semver = None
+        cur_semver = None
+        try:
+            tmp_semver = semantic_version.Version(
+                tmp_manifest['version'], partial=True)
+            if cur_manifest:
+                cur_semver = semantic_version.Version(
+                    cur_manifest['version'], partial=True)
+        except ValueError:
+            pass
 
         # package should satisfy requirements
         if requirements:
@@ -341,45 +419,51 @@ class PkgInstallerMixin(object):
                 "Package version %s doesn't satisfy requirements %s" % (
                     tmp_manifest['version'], requirements))
             try:
-                reqspec = semantic_version.Spec(requirements)
-                tmp_version = semantic_version.Version(
-                    tmp_manifest['version'], partial=True)
-                assert tmp_version in reqspec, mismatch_error
-            except ValueError:
+                assert tmp_semver and tmp_semver in semantic_version.Spec(
+                    requirements), mismatch_error
+            except (AssertionError, ValueError):
                 assert tmp_manifest['version'] == requirements, mismatch_error
 
-        if self.manifest_exists(pkg_dir):
-            cur_manifest_path = self.get_manifest_path(pkg_dir)
-            cur_manifest = self.load_manifest(cur_manifest_path)
-
-            if tmp_manifest_path.endswith(self.VCS_MANIFEST_NAME):
-                if cur_manifest.get("url") != tmp_manifest['url']:
-                    pkg_dir = join(self.package_dir, "%s@vcs-%s" % (
-                        name, hashlib.md5(tmp_manifest['url']).hexdigest()))
+        # check if package already exists
+        if cur_manifest:
+            # 0-overwrite, 1-rename, 2-fix to a version
+            action = 0
+            if "__src_url" in cur_manifest:
+                if cur_manifest['__src_url'] != tmp_manifest.get("__src_url"):
+                    action = 1
+            elif "__src_url" in tmp_manifest:
+                action = 2
             else:
-                try:
-                    tmp_version = semantic_version.Version(
-                        tmp_manifest['version'], partial=True)
-                    cur_version = semantic_version.Version(
-                        cur_manifest['version'], partial=True)
+                if tmp_semver and (not cur_semver or tmp_semver > cur_semver):
+                    action = 1
+                elif tmp_semver and cur_semver and tmp_semver != cur_semver:
+                    action = 2
 
-                    # if current package version < new package, backup it
-                    if tmp_version > cur_version:
-                        os.rename(pkg_dir,
-                                  join(self.package_dir, "%s@%s" %
-                                       (name, cur_manifest['version'])))
-                    elif tmp_version < cur_version:
-                        pkg_dir = join(self.package_dir, "%s@%s" %
-                                       (name, tmp_manifest['version']))
-                except ValueError:
-                    pkg_dir = join(self.package_dir,
-                                   "%s@%s" % (name, tmp_manifest['version']))
+            # rename
+            if action == 1:
+                target_dirname = "%s@%s" % (pkg_dirname,
+                                            cur_manifest['version'])
+                if "__src_url" in cur_manifest:
+                    target_dirname = "%s@src-%s" % (
+                        pkg_dirname,
+                        hashlib.md5(cur_manifest['__src_url']).hexdigest())
+                os.rename(pkg_dir, join(self.package_dir, target_dirname))
+            # fix to a version
+            elif action == 2:
+                target_dirname = "%s@%s" % (pkg_dirname,
+                                            tmp_manifest['version'])
+                if "__src_url" in tmp_manifest:
+                    target_dirname = "%s@src-%s" % (
+                        pkg_dirname,
+                        hashlib.md5(tmp_manifest['__src_url']).hexdigest())
+                pkg_dir = join(self.package_dir, target_dirname)
 
         # remove previous/not-satisfied package
         if isdir(pkg_dir):
             util.rmtree_(pkg_dir)
         os.rename(tmp_dir, pkg_dir)
         assert isdir(pkg_dir)
+        self.cache_reset()
         return pkg_dir
 
 
@@ -400,14 +484,20 @@ class BasePkgManager(PkgRepoMixin, PkgInstallerMixin):
         click.echo("%s: %s" % (self.__class__.__name__, message), nl=nl)
 
     @staticmethod
-    def parse_pkg_name(  # pylint: disable=too-many-branches
+    def parse_pkg_input(  # pylint: disable=too-many-branches
             text, requirements=None):
         text = str(text)
-        url_marker = "://"
-        if not any([
-                requirements, "@" not in text, text.startswith("git@"),
-                url_marker in text
-        ]):
+        # git@github.com:user/package.git
+        url_marker = text[:4]
+        if url_marker not in ("git@", "git+") or ":" not in text:
+            url_marker = "://"
+
+        req_conditions = [
+            not requirements, "@" in text,
+            (url_marker != "git@" and "://git@" not in text) or
+            text.count("@") > 1
+        ]
+        if all(req_conditions):
             text, requirements = text.rsplit("@", 1)
         if text.isdigit():
             text = "id=" + text
@@ -423,22 +513,18 @@ class BasePkgManager(PkgRepoMixin, PkgInstallerMixin):
             url.startswith("http") and
             (url.split("#", 1)[0] if "#" in url else url).endswith(".git")
         ]
-
         if any(git_conditions):
             url = "git+" + url
+
         # Handle Developer Mbed URL
         # (https://developer.mbed.org/users/user/code/package/)
-        elif url.startswith("https://developer.mbed.org"):
+        if url.startswith("https://developer.mbed.org"):
             url = "hg+" + url
 
-        # git@github.com:user/package.git
-        if url.startswith("git@"):
-            url_marker = "git@"
-
         if any([s in url for s in ("\\", "/")]) and url_marker not in url:
             if isfile(url) or isdir(url):
                 url = "file://" + url
-            elif url.count("/") == 1 and not url.startswith("git@"):
+            elif url.count("/") == 1 and "git" not in url_marker:
                 url = "git+https://github.com/" + url
 
         # determine name
@@ -448,55 +534,13 @@ class BasePkgManager(PkgRepoMixin, PkgInstallerMixin):
                 _url = _url[:-1]
             name = basename(_url)
             if "." in name and not name.startswith("."):
-                name = name.split(".", 1)[0]
+                name = name.rsplit(".", 1)[0]
 
         if url_marker not in url:
             url = None
         return (name or text, requirements, url)
 
-    def get_package(self, name, requirements=None, url=None):
-        pkg_id = int(name[3:]) if name.startswith("id=") else 0
-        best = None
-        reqspec = None
-        if requirements:
-            try:
-                reqspec = semantic_version.Spec(requirements)
-            except ValueError:
-                pass
-
-        for manifest in self.get_installed():
-            if pkg_id and manifest.get("id") != pkg_id:
-                continue
-            elif not pkg_id and manifest['name'] != name:
-                continue
-            elif not reqspec and (requirements or url):
-                conds = [
-                    requirements == manifest['version'], url and
-                    url in manifest.get("url", "")
-                ]
-                if not best or any(conds):
-                    best = manifest
-                continue
-            try:
-                if reqspec and not reqspec.match(
-                        semantic_version.Version(
-                            manifest['version'], partial=True)):
-                    continue
-                elif not best or (semantic_version.Version(
-                        manifest['version'], partial=True) >
-                                  semantic_version.Version(
-                                      best['version'], partial=True)):
-                    best = manifest
-            except ValueError:
-                pass
-
-        return best
-
-    def get_package_dir(self, name, requirements=None, url=None):
-        package = self.get_package(name, requirements, url)
-        return package.get("__pkg_dir") if package else None
-
-    def outdated(self, name, requirements=None, url=None):
+    def outdated(self, pkg_dir, requirements=None):
         """
         Has 3 different results:
         `None` - unknown package, VCS is fixed to commit
@@ -504,27 +548,26 @@ class BasePkgManager(PkgRepoMixin, PkgInstallerMixin):
         `String` - a found latest version
         """
         latest = None
-        package_dir = self.get_package_dir(name, requirements, url)
-        if not package_dir or ("@" in package_dir and
-                               "@vcs-" not in package_dir):
+        manifest = self.load_manifest(pkg_dir)
+        # skip a fixed package to a specific version
+        if "@" in pkg_dir and "__src_url" not in manifest:
             return None
-        is_vcs_pkg = False
-        manifest_path = self.get_vcs_manifest_path(package_dir)
-        if manifest_path:
-            is_vcs_pkg = True
-            manifest = self.load_manifest(manifest_path)
-        else:
-            manifest = self.load_manifest(package_dir)
-        if is_vcs_pkg:
-            vcs = VCSClientFactory.newClient(
-                package_dir, manifest['url'], silent=True)
+        if "__src_url" in manifest:
+            try:
+                vcs = VCSClientFactory.newClient(
+                    pkg_dir, manifest['__src_url'], silent=True)
+            except (AttributeError, exception.PlatformioException):
+                return None
             if not vcs.can_be_updated:
                 return None
             latest = vcs.get_latest_revision()
         else:
             try:
                 latest = self.get_latest_repo_version(
-                    name, requirements, silent=True)
+                    "id=%d" % manifest['id']
+                    if "id" in manifest else manifest['name'],
+                    requirements,
+                    silent=True)
             except (exception.PlatformioException, ValueError):
                 return None
         if not latest:
@@ -543,7 +586,7 @@ class BasePkgManager(PkgRepoMixin, PkgInstallerMixin):
                 silent=False,
                 trigger_event=True,
                 interactive=False):  # pylint: disable=unused-argument
-        name, requirements, url = self.parse_pkg_name(name, requirements)
+        name, requirements, url = self.parse_pkg_input(name, requirements)
         package_dir = self.get_package_dir(name, requirements, url)
 
         if not package_dir or not silent:
@@ -560,15 +603,16 @@ class BasePkgManager(PkgRepoMixin, PkgInstallerMixin):
             return package_dir
 
         if url:
-            pkg_dir = self._install_from_url(name, url, requirements)
+            pkg_dir = self._install_from_url(
+                name, url, requirements, track=True)
         else:
             pkg_dir = self._install_from_piorepo(name, requirements)
         if not pkg_dir or not self.manifest_exists(pkg_dir):
             raise exception.PackageInstallError(name, requirements or "*",
                                                 util.get_systype())
 
-        self.reset_cache()
         manifest = self.load_manifest(pkg_dir)
+        assert manifest
 
         if trigger_event:
             telemetry.on_event(
@@ -576,42 +620,45 @@ class BasePkgManager(PkgRepoMixin, PkgInstallerMixin):
                 action="Install",
                 label=manifest['name'])
 
-        click.secho(
-            "{name} @ {version} has been successfully installed!".format(
-                **manifest),
-            fg="green")
+        if not silent:
+            click.secho(
+                "{name} @ {version} has been successfully installed!".format(
+                    **manifest),
+                fg="green")
 
         return pkg_dir
 
-    def uninstall(self, name, requirements=None, trigger_event=True):
-        name, requirements, url = self.parse_pkg_name(name, requirements)
-        package_dir = self.get_package_dir(name, requirements, url)
-        if not package_dir:
-            click.secho(
-                "%s @ %s is not installed" % (name, requirements or "*"),
-                fg="yellow")
-            return
+    def uninstall(self, package, requirements=None, trigger_event=True):
+        if isdir(package):
+            pkg_dir = package
+        else:
+            name, requirements, url = self.parse_pkg_input(package,
+                                                           requirements)
+            pkg_dir = self.get_package_dir(name, requirements, url)
 
-        manifest = self.load_manifest(package_dir)
+        if not pkg_dir:
+            raise exception.UnknownPackage("%s @ %s" %
+                                           (package, requirements or "*"))
+
+        manifest = self.load_manifest(pkg_dir)
         click.echo(
             "Uninstalling %s @ %s: \t" % (click.style(
                 manifest['name'], fg="cyan"), manifest['version']),
             nl=False)
 
-        if isdir(package_dir):
-            if islink(package_dir):
-                os.unlink(package_dir)
-            else:
-                util.rmtree_(package_dir)
-            self.reset_cache()
+        if islink(pkg_dir):
+            os.unlink(pkg_dir)
+        else:
+            util.rmtree_(pkg_dir)
+        self.cache_reset()
 
         # unfix package with the same name
-        package_dir = self.get_package_dir(manifest['name'])
-        if package_dir and "@" in package_dir:
-            os.rename(package_dir,
-                      join(self.package_dir,
-                           self.generate_install_dirname(manifest)))
-            self.reset_cache()
+        pkg_dir = self.get_package_dir(manifest['name'])
+        if pkg_dir and "@" in pkg_dir:
+            os.rename(
+                pkg_dir,
+                join(self.package_dir, self.get_install_dirname(manifest)))
+            self.cache_reset()
 
         click.echo("[%s]" % click.style("OK", fg="green"))
 
@@ -624,25 +671,23 @@ class BasePkgManager(PkgRepoMixin, PkgInstallerMixin):
 
     def update(  # pylint: disable=too-many-return-statements
             self,
-            name,
+            package,
             requirements=None,
             only_check=False):
-        name, requirements, url = self.parse_pkg_name(name, requirements)
-        package_dir = self.get_package_dir(name, requirements, url)
-        if not package_dir:
-            click.secho(
-                "%s @ %s is not installed" % (name, requirements or "*"),
-                fg="yellow")
-            return
-
-        is_vcs_pkg = False
-        if self.get_vcs_manifest_path(package_dir):
-            is_vcs_pkg = True
-            manifest_path = self.get_vcs_manifest_path(package_dir)
+        if isdir(package):
+            pkg_dir = package
         else:
-            manifest_path = self.get_manifest_path(package_dir)
+            name, requirements, url = self.parse_pkg_input(package,
+                                                           requirements)
+            pkg_dir = self.get_package_dir(name, requirements, url)
+
+        if not pkg_dir:
+            raise exception.UnknownPackage("%s @ %s" %
+                                           (package, requirements or "*"))
+
+        manifest = self.load_manifest(pkg_dir)
+        name = manifest['name']
 
-        manifest = self.load_manifest(manifest_path)
         click.echo(
             "{} {:<40} @ {:<15}".format(
                 "Checking" if only_check else "Updating",
@@ -651,7 +696,8 @@ class BasePkgManager(PkgRepoMixin, PkgInstallerMixin):
         if not util.internet_on():
             click.echo("[%s]" % (click.style("Off-line", fg="yellow")))
             return
-        latest = self.outdated(name, requirements, url)
+
+        latest = self.outdated(pkg_dir, requirements)
         if latest:
             click.echo("[%s]" % (click.style(latest, fg="red")))
         elif latest is False:
@@ -659,26 +705,18 @@ class BasePkgManager(PkgRepoMixin, PkgInstallerMixin):
         else:
             click.echo("[%s]" % (click.style("Skip", fg="yellow")))
 
-        if only_check or latest is False or (not is_vcs_pkg and not latest):
+        if only_check or not latest:
             return
 
-        if is_vcs_pkg:
-            vcs = VCSClientFactory.newClient(package_dir, manifest['url'])
-            if not vcs.can_be_updated:
-                click.secho(
-                    "Skip update because repository is fixed "
-                    "to %s revision" % manifest['version'],
-                    fg="yellow")
-                return
+        if "__src_url" in manifest:
+            vcs = VCSClientFactory.newClient(pkg_dir, manifest['__vcs_url'])
             assert vcs.update()
-            with open(manifest_path, "w") as fp:
-                manifest['version'] = vcs.get_current_revision()
-                json.dump(manifest, fp)
+            self._update_src_manifest(
+                dict(version=vcs.get_current_revision()), vcs.storage_dir)
         else:
-            self.uninstall(name, manifest['version'], trigger_event=False)
+            self.uninstall(pkg_dir, trigger_event=False)
             self.install(name, latest, trigger_event=False)
 
-        self.reset_cache()
         telemetry.on_event(
             category=self.__class__.__name__,
             action="Update",
diff --git a/platformio/managers/platform.py b/platformio/managers/platform.py
index 78516b73..dddafc45 100644
--- a/platformio/managers/platform.py
+++ b/platformio/managers/platform.py
@@ -63,7 +63,7 @@ class PlatformManager(BasePkgManager):
                 trigger_event=True,
                 **_):  # pylint: disable=too-many-arguments
         platform_dir = BasePkgManager.install(self, name, requirements)
-        p = PlatformFactory.newPlatform(self.get_manifest_path(platform_dir))
+        p = PlatformFactory.newPlatform(platform_dir)
 
         # @Hook: when 'update' operation (trigger_event is False),
         # don't cleanup packages or install them
@@ -75,10 +75,16 @@ class PlatformManager(BasePkgManager):
         self.cleanup_packages(p.packages.keys())
         return True
 
-    def uninstall(self, name, requirements=None, trigger_event=True):
-        name, requirements, _ = self.parse_pkg_name(name, requirements)
-        p = PlatformFactory.newPlatform(name, requirements)
-        BasePkgManager.uninstall(self, name, requirements)
+    def uninstall(self, package, requirements=None, trigger_event=True):
+        if isdir(package):
+            pkg_dir = package
+        else:
+            name, requirements, url = self.parse_pkg_input(package,
+                                                           requirements)
+            pkg_dir = self.get_package_dir(name, requirements, url)
+
+        p = PlatformFactory.newPlatform(pkg_dir)
+        BasePkgManager.uninstall(self, pkg_dir, requirements)
 
         # @Hook: when 'update' operation (trigger_event is False),
         # don't cleanup packages or install them
@@ -90,18 +96,23 @@ class PlatformManager(BasePkgManager):
 
     def update(  # pylint: disable=arguments-differ
             self,
-            name,
+            package,
             requirements=None,
-            only_packages=False,
-            only_check=False):
-        name, requirements, _ = self.parse_pkg_name(name, requirements)
+            only_check=False,
+            only_packages=False):
+        if isdir(package):
+            pkg_dir = package
+        else:
+            name, requirements, url = self.parse_pkg_input(package,
+                                                           requirements)
+            pkg_dir = self.get_package_dir(name, requirements, url)
 
-        p = PlatformFactory.newPlatform(name, requirements)
+        p = PlatformFactory.newPlatform(pkg_dir)
         pkgs_before = pkgs_after = p.get_installed_packages().keys()
 
         if not only_packages:
-            BasePkgManager.update(self, name, requirements, only_check)
-            p = PlatformFactory.newPlatform(name, requirements)
+            BasePkgManager.update(self, pkg_dir, requirements, only_check)
+            p = PlatformFactory.newPlatform(pkg_dir)
             pkgs_after = p.get_installed_packages().keys()
 
         p.update_packages(only_check)
@@ -115,11 +126,10 @@ class PlatformManager(BasePkgManager):
         return True
 
     def cleanup_packages(self, names):
-        self.reset_cache()
+        self.cache_reset()
         deppkgs = {}
         for manifest in PlatformManager().get_installed():
-            p = PlatformFactory.newPlatform(manifest['name'],
-                                            manifest['version'])
+            p = PlatformFactory.newPlatform(manifest['__pkg_dir'])
             for pkgname, pkgmanifest in p.get_installed_packages().items():
                 if pkgname not in deppkgs:
                     deppkgs[pkgname] = set()
@@ -131,17 +141,15 @@ class PlatformManager(BasePkgManager):
                 continue
             if (manifest['name'] not in deppkgs or
                     manifest['version'] not in deppkgs[manifest['name']]):
-                pm.uninstall(
-                    manifest['name'], manifest['version'], trigger_event=False)
+                pm.uninstall(manifest['__pkg_dir'], trigger_event=False)
 
-        self.reset_cache()
+        self.cache_reset()
         return True
 
     def get_installed_boards(self):
         boards = []
         for manifest in self.get_installed():
-            p = PlatformFactory.newPlatform(
-                self.get_manifest_path(manifest['__pkg_dir']))
+            p = PlatformFactory.newPlatform(manifest['__pkg_dir'])
             for config in p.get_boards().values():
                 board = config.get_brief_data()
                 if board not in boards:
@@ -183,7 +191,10 @@ class PlatformFactory(object):
     @classmethod
     def newPlatform(cls, name, requirements=None):
         platform_dir = None
-        if name.endswith("platform.json") and isfile(name):
+        if isdir(name):
+            platform_dir = name
+            name = PlatformManager().load_manifest(platform_dir)['name']
+        elif name.endswith("platform.json") and isfile(name):
             platform_dir = dirname(name)
             name = util.load_json(name)['name']
         else:
@@ -249,8 +260,8 @@ class PlatformPackagesMixin(object):
             if self.is_valid_requirements(version):
                 package = self.pm.get_package(name, version)
             else:
-                package = self.pm.get_package(*self._parse_pkg_name(name,
-                                                                    version))
+                package = self.pm.get_package(*self._parse_pkg_input(name,
+                                                                     version))
             if package:
                 items[name] = package
         return items
@@ -267,46 +278,47 @@ class PlatformPackagesMixin(object):
                 self.pm.update("%s=%s" % (name, version), requirements,
                                only_check)
 
-    def are_outdated_packages(self):
-        latest = None
-        for name in self.get_installed_packages():
-            version = self.packages[name].get("version", "")
-            if self.is_valid_requirements(version):
-                latest = self.pm.outdated(name, version)
-            else:
-                requirements = None
-                if "@" in version:
-                    version, requirements = version.rsplit("@", 1)
-                latest = self.pm.outdated(name, requirements, version)
-            if latest or latest is None:
-                return True
-        return False
+    # def are_outdated_packages(self):
+    #     latest = None
+    #     for name in self.get_installed_packages():
+    #         version = self.packages[name].get("version", "")
+    #         if self.is_valid_requirements(version):
+    #             latest = self.pm.outdated(name, version)
+    #         else:
+    #             requirements = None
+    #             if "@" in version:
+    #                 version, requirements = version.rsplit("@", 1)
+    #             latest = self.pm.outdated(name, requirements, version)
+    #         if latest or latest is None:
+    #             return True
+    #     return False
 
     def get_package_dir(self, name):
         version = self.packages[name].get("version", "")
         if self.is_valid_requirements(version):
             return self.pm.get_package_dir(name, version)
         else:
-            return self.pm.get_package_dir(*self._parse_pkg_name(name,
-                                                                 version))
+            return self.pm.get_package_dir(*self._parse_pkg_input(name,
+                                                                  version))
 
     def get_package_version(self, name):
         version = self.packages[name].get("version", "")
         if self.is_valid_requirements(version):
             package = self.pm.get_package(name, version)
         else:
-            package = self.pm.get_package(*self._parse_pkg_name(name, version))
+            package = self.pm.get_package(*self._parse_pkg_input(name,
+                                                                 version))
         return package['version'] if package else None
 
     @staticmethod
     def is_valid_requirements(requirements):
         return requirements and "://" not in requirements
 
-    def _parse_pkg_name(self, name, version):
+    def _parse_pkg_input(self, name, version):
         requirements = None
         if "@" in version:
             version, requirements = version.rsplit("@", 1)
-        return self.pm.parse_pkg_name("%s=%s" % (name, version), requirements)
+        return self.pm.parse_pkg_input("%s=%s" % (name, version), requirements)
 
 
 class PlatformRunMixin(object):
diff --git a/platformio/util.py b/platformio/util.py
index 1e70b471..20d6214a 100644
--- a/platformio/util.py
+++ b/platformio/util.py
@@ -141,7 +141,12 @@ class memoized(object):
 
     def __get__(self, obj, objtype):
         '''Support instance methods.'''
-        return functools.partial(self.__call__, obj)
+        fn = functools.partial(self.__call__, obj)
+        fn.reset = self._reset
+        return fn
+
+    def _reset(self):
+        self.cache = {}
 
 
 def singleton(cls):
diff --git a/tests/commands/test_lib.py b/tests/commands/test_lib.py
index 3b3a213a..d0ae5665 100644
--- a/tests/commands/test_lib.py
+++ b/tests/commands/test_lib.py
@@ -16,7 +16,7 @@ import json
 import re
 from os.path import basename
 
-from platformio import util
+from platformio import exception, util
 from platformio.commands.init import cli as cmd_init
 from platformio.commands.lib import cli as cmd_lib
 
@@ -37,15 +37,35 @@ def test_search(clirunner, validate_cliresult):
 def test_global_install_registry(clirunner, validate_cliresult,
                                  isolated_pio_home):
     result = clirunner.invoke(cmd_lib, [
-        "-g", "install", "58", "OneWire",
+        "-g", "install", "58", "547@2.2.4", "DallasTemperature",
         "http://dl.platformio.org/libraries/archives/3/5174.tar.gz",
-        "ArduinoJson@5.6.7", "ArduinoJson@~5.7.0"
+        "ArduinoJson@5.6.7", "ArduinoJson@~5.7.0", "1089@fee16e880b"
     ])
     validate_cliresult(result)
+
+    # check lib with duplicate URL
+    result = clirunner.invoke(cmd_lib, [
+        "-g", "install",
+        "http://dl.platformio.org/libraries/archives/3/5174.tar.gz"
+    ])
+    validate_cliresult(result)
+    assert "is already installed" in result.output
+
+    # check lib with duplicate ID
+    result = clirunner.invoke(cmd_lib, ["-g", "install", "305"])
+    validate_cliresult(result)
+    assert "is already installed" in result.output
+
+    # install unknown library
+    result = clirunner.invoke(cmd_lib, ["-g", "install", "Unknown"])
+    assert result.exit_code != 0
+    assert isinstance(result.exception, exception.LibNotFound)
+
     items1 = [d.basename for d in isolated_pio_home.join("lib").listdir()]
     items2 = [
-        "DHT22_ID58", "ArduinoJson_ID64", "ArduinoJson_ID64@5.6.7",
-        "OneWire_ID1", "ESPAsyncTCP_ID305"
+        "ArduinoJson_ID64", "ArduinoJson_ID64@5.6.7", "DallasTemperature_ID54",
+        "DHT22_ID58", "ESPAsyncTCP_ID305", "NeoPixelBus_ID547", "OneWire_ID1",
+        "IRremoteESP8266_ID1089"
     ]
     assert set(items1) == set(items2)
 
@@ -55,11 +75,29 @@ def test_global_install_archive(clirunner, validate_cliresult,
     result = clirunner.invoke(cmd_lib, [
         "-g", "install", "https://github.com/adafruit/Adafruit-ST7735-Library/"
         "archive/master.zip",
+        "http://www.airspayce.com/mikem/arduino/RadioHead/RadioHead-1.62.zip",
+        "https://github.com/bblanchon/ArduinoJson/archive/v5.8.2.zip",
+        "https://github.com/bblanchon/ArduinoJson/archive/v5.8.2.zip@5.8.2"
+    ])
+    validate_cliresult(result)
+
+    # incorrect requirements
+    result = clirunner.invoke(cmd_lib, [
+        "-g", "install",
+        "https://github.com/bblanchon/ArduinoJson/archive/v5.8.2.zip@1.2.3"
+    ])
+    assert result.exit_code != 0
+
+    # check lib with duplicate URL
+    result = clirunner.invoke(cmd_lib, [
+        "-g", "install",
         "http://www.airspayce.com/mikem/arduino/RadioHead/RadioHead-1.62.zip"
     ])
     validate_cliresult(result)
+    assert "is already installed" in result.output
+
     items1 = [d.basename for d in isolated_pio_home.join("lib").listdir()]
-    items2 = ["Adafruit ST7735 Library", "RadioHead"]
+    items2 = ["Adafruit ST7735 Library", "RadioHead-1.62"]
     assert set(items1) >= set(items2)
 
 
@@ -71,14 +109,20 @@ def test_global_install_repository(clirunner, validate_cliresult,
             "-g",
             "install",
             "https://github.com/gioblu/PJON.git#3.0",
+            "https://github.com/gioblu/PJON.git#6.2",
+            "https://github.com/bblanchon/ArduinoJson.git",
             "https://gitlab.com/ivankravets/rs485-nodeproto.git",
             # "https://developer.mbed.org/users/simon/code/TextLCD/",
             "knolleary/pubsubclient"
         ])
     validate_cliresult(result)
     items1 = [d.basename for d in isolated_pio_home.join("lib").listdir()]
-    items2 = ["PJON", "ESPAsyncTCP", "PubSubClient"]
-    assert set(items2) & set(items1)
+    items2 = [
+        "PJON", "PJON@src-79de467ebe19de18287becff0a1fb42d",
+        "ArduinoJson@src-69ebddd821f771debe7ee734d3c7fa81", "rs485-nodeproto",
+        "PubSubClient"
+    ]
+    assert set(items1) >= set(items2)
 
 
 def test_global_lib_list(clirunner, validate_cliresult, isolated_pio_home):
@@ -89,13 +133,15 @@ def test_global_lib_list(clirunner, validate_cliresult, isolated_pio_home):
     result = clirunner.invoke(cmd_lib, ["-g", "list", "--json-output"])
     assert all([
         n in result.output
-        for n in ("PJON", "git+https://github.com/knolleary/pubsubclient")
+        for n in ("PJON", "git+https://github.com/knolleary/pubsubclient",
+                  "https://github.com/bblanchon/ArduinoJson/archive/v5.8.2.zip"
+                  )
     ])
     items1 = [i['name'] for i in json.loads(result.output)]
     items2 = [
         "OneWire", "DHT22", "PJON", "ESPAsyncTCP", "ArduinoJson",
-        "pubsubclient", "rs485-nodeproto", "Adafruit ST7735 Library",
-        "RadioHead"
+        "PubSubClient", "rs485-nodeproto", "Adafruit ST7735 Library",
+        "RadioHead-1.62", "DallasTemperature", "NeoPixelBus", "IRremoteESP8266"
     ]
     assert set(items1) == set(items2)
 
@@ -106,31 +152,71 @@ def test_global_lib_update_check(clirunner, validate_cliresult,
         cmd_lib, ["-g", "update", "--only-check", "--json-output"])
     validate_cliresult(result)
     output = json.loads(result.output)
-    assert set(["ArduinoJson", "ESPAsyncTCP", "RadioHead"]) == set(
+    assert set(["ArduinoJson", "IRremoteESP8266", "NeoPixelBus"]) == set(
         [l['name'] for l in output])
 
 
 def test_global_lib_update(clirunner, validate_cliresult, isolated_pio_home):
+    # update library using package directory
+    result = clirunner.invoke(
+        cmd_lib,
+        ["-g", "update", "NeoPixelBus", "--only-check", "--json-output"])
+    validate_cliresult(result)
+    oudated = json.loads(result.output)
+    assert len(oudated) == 1
+    assert "__pkg_dir" in oudated[0]
+    result = clirunner.invoke(cmd_lib,
+                              ["-g", "update", oudated[0]['__pkg_dir']])
+    validate_cliresult(result)
+    assert "Uninstalling NeoPixelBus @ 2.2.4" in result.output
+
+    # update rest libraries
     result = clirunner.invoke(cmd_lib, ["-g", "update"])
     validate_cliresult(result)
-    assert "[Up-to-date]" in result.output
+    validate_cliresult(result)
+    assert result.output.count("[Skip]") == 5
+    assert result.output.count("[Up-to-date]") == 9
     assert "Uninstalling ArduinoJson @ 5.7.3" in result.output
+    assert "Uninstalling IRremoteESP8266 @ fee16e880b" in result.output
+
+    # update unknown library
+    result = clirunner.invoke(cmd_lib, ["-g", "update", "Unknown"])
+    assert result.exit_code != 0
+    assert isinstance(result.exception, exception.UnknownPackage)
 
 
 def test_global_lib_uninstall(clirunner, validate_cliresult,
                               isolated_pio_home):
+    # uninstall using package directory
+    result = clirunner.invoke(cmd_lib, ["-g", "list", "--json-output"])
+    validate_cliresult(result)
+    items = json.loads(result.output)
+    result = clirunner.invoke(cmd_lib,
+                              ["-g", "uninstall", items[0]['__pkg_dir']])
+    validate_cliresult(result)
+    assert "Uninstalling Adafruit ST7735 Library" in result.output
+
+    # uninstall the rest libraries
     result = clirunner.invoke(cmd_lib, [
-        "-g", "uninstall", "1", "ArduinoJson@!=5.6.7", "TextLCD",
-        "Adafruit ST7735 Library"
+        "-g", "uninstall", "1", "ArduinoJson@!=5.6.7",
+        "https://github.com/bblanchon/ArduinoJson.git", "IRremoteESP8266@>=0.2"
     ])
     validate_cliresult(result)
+
     items1 = [d.basename for d in isolated_pio_home.join("lib").listdir()]
     items2 = [
-        "DHT22_ID58", "ArduinoJson_ID64", "ESPAsyncTCP_ID305",
-        "pubsubclient", "PJON", "rs485-nodeproto", "RadioHead_ID124"
+        "ArduinoJson", "ArduinoJson_ID64@5.6.7", "DallasTemperature_ID54",
+        "DHT22_ID58", "ESPAsyncTCP_ID305", "NeoPixelBus_ID547", "PJON",
+        "PJON@src-79de467ebe19de18287becff0a1fb42d", "PubSubClient",
+        "RadioHead-1.62", "rs485-nodeproto"
     ]
     assert set(items1) == set(items2)
 
+    # uninstall unknown library
+    result = clirunner.invoke(cmd_lib, ["-g", "uninstall", "Unknown"])
+    assert result.exit_code != 0
+    assert isinstance(result.exception, exception.UnknownPackage)
+
 
 def test_lib_show(clirunner, validate_cliresult, isolated_pio_home):
     result = clirunner.invoke(cmd_lib, ["show", "64"])
@@ -142,31 +228,24 @@ def test_lib_show(clirunner, validate_cliresult, isolated_pio_home):
     assert "OneWire" in result.output
 
 
-def test_project_lib_complex(clirunner, validate_cliresult, tmpdir):
-    with tmpdir.as_cwd():
-        # init
-        result = clirunner.invoke(cmd_init)
-        validate_cliresult(result)
+def test_lib_builtin(clirunner, validate_cliresult, isolated_pio_home):
+    result = clirunner.invoke(cmd_lib, ["builtin"])
+    validate_cliresult(result)
+    result = clirunner.invoke(cmd_lib, ["builtin", "--json-output"])
+    validate_cliresult(result)
 
-        # isntall
-        result = clirunner.invoke(cmd_lib, ["install", "54", "ArduinoJson"])
-        validate_cliresult(result)
-        items1 = [
-            d.basename
-            for d in tmpdir.join(basename(util.get_projectlibdeps_dir()))
-            .listdir()
-        ]
-        items2 = ["DallasTemperature_ID54", "OneWire_ID1", "ArduinoJson_ID64"]
-        assert set(items1) == set(items2)
 
-        # list
-        result = clirunner.invoke(cmd_lib, ["list", "--json-output"])
-        validate_cliresult(result)
-        items1 = [i['name'] for i in json.loads(result.output)]
-        items2 = ["DallasTemperature", "OneWire", "ArduinoJson"]
-        assert set(items1) == set(items2)
+def test_lib_stats(clirunner, validate_cliresult, isolated_pio_home):
+    result = clirunner.invoke(cmd_lib, ["stats"])
+    validate_cliresult(result)
+    assert all([
+        s in result.output
+        for s in ("UPDATED", "ago", "http://platformio.org/lib/show")
+    ])
 
-        # update
-        result = clirunner.invoke(cmd_lib, ["update"])
-        validate_cliresult(result)
-        assert "[Up-to-date]" in result.output
+    result = clirunner.invoke(cmd_lib, ["stats", "--json-output"])
+    validate_cliresult(result)
+    assert set([
+        "dlweek", "added", "updated", "topkeywords", "dlmonth", "dlday",
+        "lastkeywords"
+    ]) == set(json.loads(result.output).keys())
diff --git a/tests/test_maintenance.py b/tests/test_maintenance.py
index ba4e2796..fd71acf1 100644
--- a/tests/test_maintenance.py
+++ b/tests/test_maintenance.py
@@ -156,7 +156,7 @@ def test_check_platform_updates(clirunner, validate_cliresult,
     manifest['version'] = "0.0.0"
     manifest_path.write(json.dumps(manifest))
     # reset cached manifests
-    PlatformManager().reset_cache()
+    PlatformManager().cache_reset()
 
     # reset check time
     interval = int(app.get_setting("check_platforms_interval")) * 3600 * 24
diff --git a/tests/test_managers.py b/tests/test_managers.py
index 14ee9e38..a9320def 100644
--- a/tests/test_managers.py
+++ b/tests/test_managers.py
@@ -12,70 +12,118 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import json
+from os.path import join
+
 from platformio import util
-from platformio.managers.package import BasePkgManager
+from platformio.managers.package import PackageManager
 
 
-def test_pkg_name_parser():
+def test_pkg_input_parser():
     items = [
         ["PkgName", ("PkgName", None, None)],
         [("PkgName", "!=1.2.3,<2.0"), ("PkgName", "!=1.2.3,<2.0", None)],
         ["PkgName@1.2.3", ("PkgName", "1.2.3", None)],
         [("PkgName@1.2.3", "1.2.5"), ("PkgName@1.2.3", "1.2.5", None)],
         ["id:13", ("id:13", None, None)],
-        ["id:13@~1.2.3", ("id:13", "~1.2.3", None)], [
+        ["id:13@~1.2.3", ("id:13", "~1.2.3", None)],
+        [
             util.get_home_dir(),
             (".platformio", None, "file://" + util.get_home_dir())
-        ], [
+        ],
+        [
             "LocalName=" + util.get_home_dir(),
             ("LocalName", None, "file://" + util.get_home_dir())
-        ], [
+        ],
+        [
+            "LocalName=%s@>2.3.0" % util.get_home_dir(),
+            ("LocalName", ">2.3.0", "file://" + util.get_home_dir())
+        ],
+        [
             "https://github.com/user/package.git",
             ("package", None, "git+https://github.com/user/package.git")
-        ], [
-            "https://gitlab.com/user/package.git",
-            ("package", None, "git+https://gitlab.com/user/package.git")
-        ], [
+        ],
+        [
+            "MyPackage=https://gitlab.com/user/package.git",
+            ("MyPackage", None, "git+https://gitlab.com/user/package.git")
+        ],
+        [
+            "MyPackage=https://gitlab.com/user/package.git@3.2.1,!=2",
+            ("MyPackage", "3.2.1,!=2",
+             "git+https://gitlab.com/user/package.git")
+        ],
+        [
+            "https://somedomain.com/path/LibraryName-1.2.3.zip",
+            ("LibraryName-1.2.3", None,
+             "https://somedomain.com/path/LibraryName-1.2.3.zip")
+        ],
+        [
             "https://github.com/user/package/archive/branch.zip",
             ("branch", None,
              "https://github.com/user/package/archive/branch.zip")
-        ], [
+        ],
+        [
+            "https://github.com/user/package/archive/branch.zip@~1.2.3",
+            ("branch", "~1.2.3",
+             "https://github.com/user/package/archive/branch.zip")
+        ],
+        [
             "https://github.com/user/package/archive/branch.tar.gz",
-            ("branch", None,
+            ("branch.tar", None,
              "https://github.com/user/package/archive/branch.tar.gz")
-        ], [
+        ],
+        [
+            "https://github.com/user/package/archive/branch.tar.gz@!=5",
+            ("branch.tar", "!=5",
+             "https://github.com/user/package/archive/branch.tar.gz")
+        ],
+        [
             "https://developer.mbed.org/users/user/code/package/",
             ("package", None,
              "hg+https://developer.mbed.org/users/user/code/package/")
-        ], [
+        ],
+        [
             "https://github.com/user/package#v1.2.3",
             ("package", None, "git+https://github.com/user/package#v1.2.3")
-        ], [
+        ],
+        [
             "https://github.com/user/package.git#branch",
             ("package", None, "git+https://github.com/user/package.git#branch")
-        ], [
+        ],
+        [
             "PkgName=https://github.com/user/package.git#a13d344fg56",
             ("PkgName", None,
              "git+https://github.com/user/package.git#a13d344fg56")
-        ], [
+        ],
+        [
+            "user/package",
+            ("package", None, "git+https://github.com/user/package")
+        ],
+        [
             "PkgName=user/package",
             ("PkgName", None, "git+https://github.com/user/package")
-        ], [
+        ],
+        [
             "PkgName=user/package#master",
             ("PkgName", None, "git+https://github.com/user/package#master")
-        ], [
+        ],
+        [
             "git+https://github.com/user/package",
             ("package", None, "git+https://github.com/user/package")
-        ], [
+        ],
+        [
             "hg+https://example.com/user/package",
             ("package", None, "hg+https://example.com/user/package")
-        ], [
+        ],
+        [
             "git@github.com:user/package.git",
             ("package", None, "git@github.com:user/package.git")
-        ], [
+        ],
+        [
             "git@github.com:user/package.git#v1.2.0",
             ("package", None, "git@github.com:user/package.git#v1.2.0")
-        ], [
+        ],
+        [
             "git+ssh://git@gitlab.private-server.com/user/package#1.2.0",
             ("package", None,
              "git+ssh://git@gitlab.private-server.com/user/package#1.2.0")
@@ -83,6 +131,72 @@ def test_pkg_name_parser():
     ]
     for params, result in items:
         if isinstance(params, tuple):
-            assert BasePkgManager.parse_pkg_name(*params) == result
+            assert PackageManager.parse_pkg_input(*params) == result
         else:
-            assert BasePkgManager.parse_pkg_name(params) == result
+            assert PackageManager.parse_pkg_input(params) == result
+
+
+def test_install_packages(isolated_pio_home, tmpdir):
+    packages = [
+        dict(id=1, name="name_1", version="shasum"),
+        dict(id=1, name="name_1", version="2.0.0"),
+        dict(id=1, name="name_1", version="2.1.0"),
+        dict(id=1, name="name_1", version="1.2.0"),
+        dict(id=1, name="name_1", version="1.0.0"),
+        dict(name="name_2", version="1.0.0"),
+        dict(name="name_2", version="2.0.0",
+             __src_url="git+https://github.com"),
+        dict(name="name_2", version="3.0.0",
+             __src_url="git+https://github2.com"),
+        dict(name="name_2", version="4.0.0",
+             __src_url="git+https://github2.com")
+    ]
+
+    pm = PackageManager(join(util.get_home_dir(), "packages"))
+    for package in packages:
+        tmp_dir = tmpdir.mkdir("tmp-package")
+        tmp_dir.join("package.json").write(json.dumps(package))
+        pm._install_from_url(package['name'], "file://%s" % str(tmp_dir))
+        tmp_dir.remove(rec=1)
+
+    assert len(pm.get_installed()) == len(packages) - 1
+
+    pkg_dirnames = [
+        'name_1_ID1', 'name_1_ID1@1.0.0', 'name_1_ID1@1.2.0',
+        'name_1_ID1@2.0.0', 'name_1_ID1@shasum', 'name_2',
+        'name_2@src-177cbce1f0705580d17790fda1cc2ef5',
+        'name_2@src-f863b537ab00f4c7b5011fc44b120e1f'
+    ]
+    assert set([p.basename for p in isolated_pio_home.join(
+        "packages").listdir()]) == set(pkg_dirnames)
+
+
+def test_get_package(isolated_pio_home):
+    tests = [
+        [("unknown", ), None],
+        [("1", ), None],
+        [("id=1", "shasum"), dict(id=1, name="name_1", version="shasum")],
+        [("id=1", "*"), dict(id=1, name="name_1", version="2.1.0")],
+        [("id=1", "^1"), dict(id=1, name="name_1", version="1.2.0")],
+        [("id=1", "^1"), dict(id=1, name="name_1", version="1.2.0")],
+        [("name_1", "<2"), dict(id=1, name="name_1", version="1.2.0")],
+        [("name_1", ">2"), None],
+        [("name_1", "2-0-0"), dict(id=1, name="name_1", version="2.1.0")],
+        [("name_1", "2-0-0"), dict(id=1, name="name_1", version="2.1.0")],
+        [("name_2", ), dict(name="name_2", version="4.0.0")],
+        [("url_has_higher_priority", None, "git+https://github.com"),
+         dict(name="name_2", version="2.0.0",
+              __src_url="git+https://github.com")],
+        [("name_2", None, "git+https://github.com"),
+         dict(name="name_2", version="2.0.0",
+              __src_url="git+https://github.com")],
+    ]
+
+    pm = PackageManager(join(util.get_home_dir(), "packages"))
+    for test in tests:
+        manifest = pm.get_package(*test[0])
+        if test[1] is None:
+            assert manifest is None, test
+            continue
+        for key, value in test[1].items():
+            assert manifest[key] == value, test
diff --git a/tests/test_pkgmanifest.py b/tests/test_pkgmanifest.py
index 8793f9ab..f70dccde 100644
--- a/tests/test_pkgmanifest.py
+++ b/tests/test_pkgmanifest.py
@@ -16,19 +16,6 @@ import pytest
 import requests
 
 
-def pytest_generate_tests(metafunc):
-    if "package_data" not in metafunc.fixturenames:
-        return
-    pkgs_manifest = requests.get(
-        "https://dl.bintray.com/platformio/dl-packages/manifest.json").json()
-    assert isinstance(pkgs_manifest, dict)
-    packages = []
-    for _, variants in pkgs_manifest.iteritems():
-        for item in variants:
-            packages.append(item)
-    metafunc.parametrize("package_data", packages)
-
-
 def validate_response(req):
     assert req.status_code == 200
     assert int(req.headers['Content-Length']) > 0
@@ -36,13 +23,22 @@ def validate_response(req):
                                            "application/octet-stream")
 
 
-def test_package(package_data):
-    assert package_data['url'].endswith(".tar.gz")
+def test_packages():
+    pkgs_manifest = requests.get(
+        "https://dl.bintray.com/platformio/dl-packages/manifest.json").json()
+    assert isinstance(pkgs_manifest, dict)
+    items = []
+    for _, variants in pkgs_manifest.iteritems():
+        for item in variants:
+            items.append(item)
 
-    r = requests.head(package_data['url'], allow_redirects=True)
-    validate_response(r)
+    for item in items:
+        assert item['url'].endswith(".tar.gz"), item
 
-    if "X-Checksum-Sha1" not in r.headers:
-        return pytest.skip("X-Checksum-Sha1 is not provided")
+        r = requests.head(item['url'], allow_redirects=True)
+        validate_response(r)
 
-    assert package_data['sha1'] == r.headers.get("X-Checksum-Sha1")
+        if "X-Checksum-Sha1" not in r.headers:
+            return pytest.skip("X-Checksum-Sha1 is not provided")
+
+        assert item['sha1'] == r.headers.get("X-Checksum-Sha1"), item
diff --git a/tox.ini b/tox.ini
index 1f19bf1f..0c09acce 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,6 +24,7 @@ deps =
     yapf
     pylint
     pytest
+    show
 commands = python --version
 
 [testenv:docs]