Use global library storage for CI

docs/ci/circleci.rst

@@ -83,7 +83,7 @@ Install dependent library using :ref:`librarymanager`
             - sudo pip install -U platformio
 
             # OneWire Library with ID=1 http://platformio.org/lib/show/1/OneWire
-            - platformio lib install 1
+            - platformio lib -g install 1
 
     test:
         override:
@@ -159,7 +159,7 @@ Examples
             #
             # http://platformio.org/lib/show/416/TinyGPS
             # http://platformio.org/lib/show/417/SPI4Teensy3
-            - platformio lib install 416 417
+            - platformio lib -g install 416 417
 
     test:
         override:

docs/ci/travis.rst

@@ -106,7 +106,7 @@ Install dependent library using :ref:`librarymanager`
         # Libraries from PlatformIO Library Registry:
         #
         # http://platformio.org/lib/show/1/OneWire
-        - platformio lib install 1
+        - platformio lib -g install 1
 
 Manually download dependent library and include in build process via ``--lib`` option
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -189,7 +189,7 @@ Examples
         #
         # http://platformio.org/lib/show/416/TinyGPS
         # http://platformio.org/lib/show/417/SPI4Teensy3
-        - platformio lib install 416 417
+        - platformio lib -g install 416 417
 
     script:
         - platformio ci --board=uno --board=teensy31 --board=due --lib="."
@@ -260,7 +260,7 @@ Examples
         # Libraries from PlatformIO Library Registry:
         #
         # http://platformio.org/lib/show/416/TinyGPS
-        - platformio lib install 416 421 422
+        - platformio lib -g install 416 421 422
 
     script:
         - platformio ci --lib="." --board=uno --board=teensy20pp $PLATFORMIO_CI_EXTRA_ARGS

platformio/commands/lib.py

@@ -53,6 +53,13 @@ def cli(ctx, **options):
             storage_dir = join(util.get_home_dir(), "lib")
         elif util.is_platformio_project():
             storage_dir = util.get_projectlibdeps_dir()
+        elif util.is_ci():
+            storage_dir = join(util.get_home_dir(), "lib")
+            click.secho(
+                "Warning! Global library storage is used automatically. "
+                "Please use `platformio lib --global %s` command to remove "
+                "this warning." % ctx.invoked_subcommand,
+                fg="yellow")
 
     if not storage_dir and not util.is_platformio_project():
         raise exception.NotGlobalLibDir(util.get_project_dir(),