feat(misc): add fish completion

misc/fish/ghq.fish

@@ -0,0 +1,57 @@
+function __fish_ghq_complete_first_arg
+    set -l cmd (commandline -opc)
+    if test (count $cmd) -eq 1
+        return 0
+    end
+    return 1
+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_complete_first_arg' -s 'v' -l 'version' -d 'Print the version'
+
+# Global subcommands
+complete -c ghq -n '__fish_ghq_complete_first_arg' -a 'get'    -d 'Clone/sync with a remote repository'
+complete -c ghq -n '__fish_ghq_complete_first_arg' -a 'list'   -d 'List local repositories'
+complete -c ghq -n '__fish_ghq_complete_first_arg' -a 'rm'     -d 'Remove local repository'
+complete -c ghq -n '__fish_ghq_complete_first_arg' -a 'root'   -d 'Show repositories\' root'
+complete -c ghq -n '__fish_ghq_complete_first_arg' -a 'create' -d 'Create a new repository'
+complete -c ghq -n '__fish_ghq_complete_first_arg' -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'