Yarn completion (#3816)

* Add main yarn commands and subcommands

* Add more short/long options

* Add subcommands for most main commands

* Add suboptions for mutext and access

share/completions/yarn.fish

@@ -0,0 +1,121 @@
+# NOTE: Fish helper functions are your best friend here!
+# see https://github.com/fish-shell/fish-shell/blob/master/share/functions/__fish_seen_subcommand_from.fish
+# and https://github.com/fish-shell/fish-shell/blob/master/share/functions/__fish_use_subcommand.fish
+
+complete -f -c yarn -n '__fish_use_subcommand' -a help
+
+complete -f -c yarn -n '__fish_use_subcommand' -a access
+complete -f -c yarn -n '__fish_seen_subcommand_from access' -a 'public restricted grant revoke ls-packages ls-collaborators edit'
+
+complete -f -c yarn -n '__fish_use_subcommand' -a add
+complete -f -c yarn -n '__fish_seen_subcommand_from add' -l dev -s D
+complete -f -c yarn -n '__fish_seen_subcommand_from add' -l peer -s P
+complete -f -c yarn -n '__fish_seen_subcommand_from add' -l O -s O
+complete -f -c yarn -n '__fish_seen_subcommand_from add' -l exact -s E
+complete -f -c yarn -n '__fish_seen_subcommand_from add' -l tilde -s T
+
+complete -f -c yarn -n '__fish_use_subcommand' -a bin
+
+complete -f -c yarn -n '__fish_use_subcommand' -a cache
+complete -f -c yarn -n '__fish_seen_subcommand_from cache' -a 'ls dir clean' 
+
+complete -f -c yarn -n '__fish_use_subcommand' -a check
+complete -f -c yarn -n '__fish_use_subcommand' -a clean
+
+complete -f -c yarn -n '__fish_use_subcommand' -a config
+complete -f -c yarn -n '__fish_seen_subcommand_from config' -a 'set get delete list' 
+
+complete -f -c yarn -n '__fish_use_subcommand' -a generate-lock-entry
+
+complete -f -c yarn -n '__fish_use_subcommand' -a global
+complete -f -c yarn -n '__fish_seen_subcommand_from global' -a 'add bin ls remove upgrade' 
+complete -f -c yarn -n '__fish_use_subcommand' -a info
+
+complete -f -c yarn -n '__fish_use_subcommand' -a init
+complete -f -c yarn -n '__fish_seen_subcommand_from init' -s y -l yes
+
+complete -f -c yarn -n '__fish_use_subcommand' -a install
+
+complete -f -c yarn -n '__fish_use_subcommand' -a licenses 
+complete -f -c yarn -n '__fish_seen_subcommand_from licenses' -a 'ls generate-disclaimer'
+complete -f -c yarn -n '__fish_use_subcommand' -a link 
+
+complete -f -c yarn -n '__fish_use_subcommand' -a list 
+complete -f -c yarn -n '__fish_seen_subcommand_from list' -l depth 
+
+complete -f -c yarn -n '__fish_use_subcommand' -a login 
+complete -f -c yarn -n '__fish_use_subcommand' -a logout 
+complete -f -c yarn -n '__fish_use_subcommand' -a outdated 
+
+complete -f -c yarn -n '__fish_use_subcommand' -a owner 
+complete -f -c yarn -n '__fish_seen_subcommand_from owner' -a 'add rm ls'
+
+complete -f -c yarn -n '__fish_use_subcommand' -a pack 
+
+complete -f -c yarn -n '__fish_use_subcommand' -a publish 
+complete -f -c yarn -n '__fish_seen_subcommand_from publish' -l access -a 'public restricted' 
+complete -f -c yarn -n '__fish_seen_subcommand_from publish' -l tag
+complete -f -c yarn -n '__fish_seen_subcommand_from publish' -l new-version 
+complete -f -c yarn -n '__fish_seen_subcommand_from publish' -l message 
+complete -f -c yarn -n '__fish_seen_subcommand_from publish' -l no-git-tag-version 
+complete -f -c yarn -n '__fish_seen_subcommand_from publish' -l access 
+complete -f -c yarn -n '__fish_seen_subcommand_from publish' -l tag 
+
+complete -f -c yarn -n '__fish_use_subcommand' -a remove 
+complete -f -c yarn -n '__fish_use_subcommand' -a run 
+
+complete -f -c yarn -n '__fish_use_subcommand' -a tag 
+complete -f -c yarn -n '__fish_seen_subcommand_from tag' -a 'add rm ls' 
+
+complete -f -c yarn -n '__fish_use_subcommand' -a team 
+complete -f -c yarn -n '__fish_seen_subcommand_from team' -a 'create destroy add rm ls' 
+
+complete -f -c yarn -n '__fish_use_subcommand' -a unlink 
+complete -f -c yarn -n '__fish_use_subcommand' -a upgrade 
+complete -f -c yarn -n '__fish_use_subcommand' -a upgrade-interactive 
+
+complete -f -c yarn -n '__fish_use_subcommand' -a version
+complete -f -c yarn -n '__fish_seen_subcommand_from version' -l new-version
+complete -f -c yarn -n '__fish_seen_subcommand_from version' -l message
+complete -f -c yarn -n '__fish_seen_subcommand_from version' -l no-git-tag-version
+
+complete -f -c yarn -n '__fish_use_subcommand' -a versions 
+complete -f -c yarn -n '__fish_use_subcommand' -a why 
+
+# These are the yarn commands all of them use the same options
+set -g yarn_cmds access add bin cache check clean config generate-lock-entry global info init install licenses link list login logout outdated owner pack publish remove run tag team unlink upgrade upgrade-interactive version versions why
+
+# Common short, long options
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l help -s h -d 'output usage information'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l version -s V -d 'output the version number'
+
+# The rest of common options are all of them long
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l verbose -d 'output verbose messages on internal operations'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l offline -d 'trigger an error if any required dependencies are not available in local cache'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l prefer-offline -d 'use network only if dependencies are not available in local cache'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l strict-semver
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l json
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l ignore-scripts -d 'don\'t run lifecycle scripts'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l har -d 'save HAR output of network traffic'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l ignore-platform -d 'ignore platform checks'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l ignore-engines -d 'ignore engines check'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l ignore-optional -d 'ignore optional dependencies'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l force -d 'ignore all caches'    
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l no-bin-links -d 'don\'t generate bin links when setting up packages'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l flat -d 'only allow one version of a package'  
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l 'prod production'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l no-lockfile -d 'don\'t read or generate a lockfile'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l pure-lockfile -d 'don\'t generate a lockfile'           
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l frozen-lockfile -d 'don\'t generate a lockfile and fail if an update is needed'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l global-folder
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l modules-folder -d 'rather than installing modules into the node_modules folder relative to the cwd, output them here'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l cache-folder -d 'specify a custom folder to store the yarn cache'
+
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l mutex -d 'use a mutex to ensure only one yarn instance is executing'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l mutex -a 'file network'
+
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l no-emoji -d 'disable emoji in output'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l proxy
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l https-proxy
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l no-progress -d 'disable progress bar'
+complete -f -c yarn -n '__fish_seen_subcommand_from $yarn_cmds' -l network-concurrency -d 'maximum number of concurrent network requests'