completion.zsh

# vim: ts=4 sw=4
# Initialize completion
# autoload -Uz compinit
# compinit -d "$HOME/.zcompdump"
zstyle ':completion::complete:*' use-cache on
zstyle ':completion::complete:*' cache-path "$HOME/.zcache"

# Enable approximate completions
zstyle ':completion:*' completer _complete _ignored _approximate
zstyle -e ':completion:*:approximate:*' max-errors 'reply=($((($#PREFIX+$#SUFFIX)/3)) numeric)'

# Automatically update PATH entries
zstyle ':completion:*' rehash true

# Use menu completion
zstyle ':completion:*' menu select

# Verbose completion results
zstyle ':completion:*' verbose true

# Smart matching of dashed values, e.g. f-b matching foo-bar
zstyle ':completion:*' matcher-list 'r:|[._-]=* r:|=*'

# Group results by category
zstyle ':completion:*' group-name ''

# Don't insert a literal tab when trying to complete in an empty buffer
# zstyle ':completion:*' insert-tab false

# Keep directories and files separated
zstyle ':completion:*' list-dirs-first true

# Don't try parent path completion if the directories exist
zstyle ':completion:*' accept-exact-dirs true

# Always use menu selection for `cd -`
zstyle ':completion:*:*:cd:*:directory-stack' force-list always
zstyle ':completion:*:*:cd:*:directory-stack' menu yes select

# Pretty messages during pagination
zstyle ':completion:*' list-prompt '%SAt %p: Hit TAB for more, or the character to insert%s'
zstyle ':completion:*' select-prompt '%SScrolling active: current selection at %p%s'

# Nicer format for completion messages
zstyle ':completion:*:descriptions' format '%U%B%d%b%u'
zstyle ':completion:*:corrections' format '%U%F{green}%d (errors: %e)%f%u'
zstyle ':completion:*:warnings' format '%F{202}%BSorry, no matches for: %F{214}%d%b'

# Show message while waiting for completion
zstyle ':completion:*' show-completer true

# SSH
zstyle ':completion:*' use-ip true
zstyle ':completion:*:hosts' hosts $hosts
zstyle ':completion:*:(ssh|scp|sshfs|mosh):*' sort false
zstyle ':completion:*:(ssh|scp|sshfs|mosh):*' format ' %F{yellow}-- %d --%f'
zstyle ':completion:*:(ssh|scp|sshfs|mosh):*' group-name ''
zstyle ':completion:*:(ssh|scp|sshfs|mosh):*' verbose yes
zstyle ':completion:*:(scp|rsync|sshfs):*' tag-order 'hosts:-host:host hosts:-domain:domain hosts:-ipaddr:ip\ address *'
zstyle ':completion:*:(scp|rsync|sshfs):*' group-order users files all-files hosts-domain hosts-host hosts-ipaddr
zstyle ':completion:*:(ssh|mosh):*' tag-order 'hosts:-host:host hosts:-domain:domain hosts:-ipaddr:ip\ address *'
zstyle ':completion:*:(ssh|mosh):*' group-order users hosts-domain hosts-host users hosts-ipaddr
zstyle ':completion:*:(ssh|scp|sshfs|mosh):*:hosts-host' ignored-patterns '*(.|:)*' loopback localhost broadcasthost 'ip6-*'
zstyle ':completion:*:(ssh|scp|sshfs|mosh):*:hosts-domain' ignored-patterns '<->.<->.<->.<->' '^[-[:alnum:]]##(.[-[:alnum:]]##)##' '*@*'
zstyle ':completion:*:(ssh|scp|sshfs|mosh):*:hosts-ipaddr' ignored-patterns '^(<->.<->.<->.<->|(|::)([[:xdigit:].]##:(#c,2))##(|%*))' '127.0.*' '255.255.255.255' '::1' 'fe80::*' 'ff02::*'

# Prettier completion for processes
zstyle ':completion:*:*:*:*:processes' force-list always
zstyle ':completion:*:*:*:*:processes' menu yes select
zstyle ':completion:*:*:*:*:processes' list-colors '=(#b) #([0-9]#) ([0-9a-z-]#)*=01;34=0=01'
zstyle ':completion:*:*:*:*:processes' command "ps -u $USER -o pid,user,args -w -w"

# Use ls-colors for path completions
function _set-list-colors() {
    zstyle ':completion:*' list-colors ${(s.:.)LS_COLORS}
    unfunction _set-list-colors
}
sched 0 _set-list-colors  # deferred since LC_COLORS might not be available yet

# Don't complete hosts from /etc/hosts
zstyle -e ':completion:*' hosts 'reply=()'

# Don't complete uninteresting stuff unless we really want to.
zstyle ':completion:*:functions' ignored-patterns '(_*|pre(cmd|exec)|TRAP*)'
zstyle ':completion:*:*:*:users' ignored-patterns \
        adm amanda apache at avahi avahi-autoipd beaglidx bin cacti canna \
        clamav daemon dbus distcache dnsmasq dovecot fax ftp games gdm \
        gkrellmd gopher hacluster haldaemon halt hsqldb ident junkbust kdm \
        ldap lp mail mailman mailnull man messagebus mldonkey mysql nagios \
        named netdump news nfsnobody nobody nscd ntp nut nx obsrun openvpn \
        operator pcap polkitd postfix postgres privoxy pulse pvm quagga radvd \
        rpc rpcuser rpm rtkit scard shutdown squid sshd statd svn sync tftp \
        usbmux uucp vcsa wwwrun xfs cron mongodb nullmail portage redis \
        shoutcast tcpdump '_*'
zstyle ':completion:*' single-ignored show