$ wp makepot plugin . languages/foo.pot
PHP Warning:  chdir(): No such file or directory (errno 2) in /wp-cli-makepot/src/WordPressCodeExtractor.php on line 110

Warning: chdir(): No such file or directory (errno 2) in /wp-cli-makepot/src/WordPressCodeExtractor.php on line 110
PHP Warning:  chdir(): No such file or directory (errno 2) in /wp-cli-makepot/src/WordPressCodeExtractor.php on line 110

Warning: chdir(): No such file or directory (errno 2) in /wp-cli-makepot/src/WordPressCodeExtractor.php on line 110
PHP Warning:  chdir(): No such file or directory (errno 2) in /wp-cli-makepot/src/WordPressCodeExtractor.php on line 110

...

Warning: chdir(): File name too long (errno 63) in /wp-cli-makepot/src/WordPressCodeExtractor.php on line 110
PHP Fatal error:  Allowed memory size of 134217728 bytes exhausted (tried to allocate 32768 bytes) in /wp-cli-makepot/src/WordPressCodeExtractor.php on line 130

Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 32768 bytes) in /wp-cli-makepot/src/WordPressCodeExtractor.php on line 130