feat(misc): add fish completion

misc/fish/ghq.fish

@@ -0,0 +1,58 @@
+function __fish_ghq_needs_subcommand
+    for subcmd in get list rm root create h help
+        if contains -- $subcmd (commandline -opc)
+            return 1
+        end
+    end
+    return 0
+end
+
+# Remove any previous completion
+complete -c ghq -e
+# Don't suggest files
+complete -c ghq -f
+
+# Global arguments
+complete -c ghq -s h -l help -d 'Show help'
+complete -c ghq -n __fish_ghq_needs_subcommand -s v -l version -d 'Print the version'
+
+# Global subcommands
+complete -c ghq -n __fish_ghq_needs_subcommand -a get -d 'Clone/sync with a remote repository'
+complete -c ghq -n __fish_ghq_needs_subcommand -a list -d 'List local repositories'
+complete -c ghq -n __fish_ghq_needs_subcommand -a rm -d 'Remove local repository'
+complete -c ghq -n __fish_ghq_needs_subcommand -a root -d 'Show repositories\' root'
+complete -c ghq -n __fish_ghq_needs_subcommand -a create -d 'Create a new repository'
+complete -c ghq -n __fish_ghq_needs_subcommand -a 'h help' -d 'Shows a list of commands or help for one command'
+
+# Arguments for subcommands
+complete -c ghq -n '__fish_seen_subcommand_from get' -s u -l update -d 'Update local repository if cloned already'
+complete -c ghq -n '__fish_seen_subcommand_from get' -s p -d 'Clone with SSH'
+complete -c ghq -n '__fish_seen_subcommand_from get' -l shallow -d 'Do a shallow clone'
+complete -c ghq -n '__fish_seen_subcommand_from get' -s l -l look -d 'Look after get'
+complete -c ghq -n '__fish_seen_subcommand_from get' -l vcs -d 'Specify vcs backend for cloning'
+complete -c ghq -n '__fish_seen_subcommand_from get' -s s -l silent -d 'Clone or update silently'
+complete -c ghq -n '__fish_seen_subcommand_from get' -l no-recursive -d 'Prevent recursive fetching'
+complete -c ghq -n '__fish_seen_subcommand_from get' -s b -l branch -d 'Specify branch name. This flag implies --single-branch on Git'
+complete -c ghq -n '__fish_seen_subcommand_from get' -s P -l parallel -d 'Import parallelly'
+complete -c ghq -n '__fish_seen_subcommand_from get' -l bare -d 'Do a bare clone'
+
+complete -c ghq -n '__fish_seen_subcommand_from list' -s e -l exact -d 'Perform an exact match'
+complete -c ghq -n '__fish_seen_subcommand_from list' -l vcs -d 'Specify vcs backend for matching'
+complete -c ghq -n '__fish_seen_subcommand_from list' -s p -l full-path -d 'Print full paths'
+complete -c ghq -n '__fish_seen_subcommand_from list' -l unique -d 'Print unique subpaths'
+
+complete -c ghq -n '__fish_seen_subcommand_from rm' -l dry-run -d 'Do not remove actually'
+
+complete -c ghq -n '__fish_seen_subcommand_from root' -l all -d 'Show all roots'
+
+complete -c ghq -n '__fish_seen_subcommand_from create' -l vcs -d 'Specify vcs backend explicitly'
+
+# Complete VCS backend options for supported subcommands
+complete -c ghq -n '__fish_seen_subcommand_from get list create' -n '__fish_seen_argument --vcs' -l vcs -x -a 'git github codecommit' -d git
+complete -c ghq -n '__fish_seen_subcommand_from get list create' -n '__fish_seen_argument --vcs' -l vcs -x -a 'svn subversion' -d subversion
+complete -c ghq -n '__fish_seen_subcommand_from get list create' -n '__fish_seen_argument --vcs' -l vcs -x -a git-svn -d git-svn
+complete -c ghq -n '__fish_seen_subcommand_from get list create' -n '__fish_seen_argument --vcs' -l vcs -x -a 'hg mercurial' -d mercurial
+complete -c ghq -n '__fish_seen_subcommand_from get list create' -n '__fish_seen_argument --vcs' -l vcs -x -a darcs -d darcs
+complete -c ghq -n '__fish_seen_subcommand_from get list create' -n '__fish_seen_argument --vcs' -l vcs -x -a pijul -d pijul
+complete -c ghq -n '__fish_seen_subcommand_from get list create' -n '__fish_seen_argument --vcs' -l vcs -x -a fossil -d fossil
+complete -c ghq -n '__fish_seen_subcommand_from get list create' -n '__fish_seen_argument --vcs' -l vcs -x -a 'bzr bazaar' -d bazaar