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Re: mercurial completion

On Sunday, 18 November 2007 at 15:32, Clint Adams wrote:
> On Thu, Nov 08, 2007 at 12:33:49PM -0800, Brendan Cully wrote:
> > It's great to see zsh support mercurial natively, but the bundled
> > widget is far less functional. What do you think about including the
> > one we ship with mercurial? I haven't posted it before because I'm a
> > newbie at zsh completion, but it is significantly more powerful.
> 
> Are you and Steve willing to re-license or dual-license it under zsh's
> license?

In case my last reply got lost, I've talked to Steve and we're happy
to do that.

> > I'd also be happy to hear any advice about how to clean up the
> > attached widget.
> 
> Is there a reason `hg debugcomplete` isn't used? Is that not meant for
> these things?

debugcomplete didn't return aliases. But since the help format has
changed in 1.1, I've switched to debugcomplete and will add alias
support to mercurial's debugcomplete (zsh will not know about command
aliases when running against older hg though).

Here's the most recent version. I'd be happy to hear some feedback :)


#compdef hg

# Zsh completion script for mercurial.  Rename this file to _hg and copy
# it into your zsh function path (/usr/share/zsh/site-functions for
# instance)
#
# Copyright (C) 2005-6 Steve Borho
# Copyright (C) 2006-8 Brendan Cully <brendan@xxxxxxxxxx>
#
# This is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your
# option) any later version.

emulate -LR zsh
setopt extendedglob

local curcontext="$curcontext" state line
typeset -A _hg_cmd_globals

_hg() {
  local cmd _hg_root
  integer i=2
  _hg_cmd_globals=()

  while (( i < $#words ))
  do
    case "$words[$i]" in
      -R|--repository)
        eval _hg_root="$words[$i+1]"
        _hg_cmd_globals+=("$words[$i]" "$_hg_root")
        (( i += 2 ))
        continue
      ;;
      -R*)
        _hg_cmd_globals+="$words[$i]"
        eval _hg_root="${words[$i]#-R}"
       (( i++ ))
       continue
      ;;
      --cwd|--config)
        # pass along arguments to hg completer
        _hg_cmd_globals+=("$words[$i]" "$words[$i+1]")
        (( i += 2 ))
        continue
      ;;
      -*)
        # skip option
        (( i++ ))
        continue
      ;;
    esac
    if [[ -z "$cmd" ]]
    then
      cmd="$words[$i]"
      words[$i]=()
      (( CURRENT-- ))
    fi
    (( i++ ))
  done

  if [[ -z "$cmd" ]]
  then
    _arguments -s -w : $_hg_global_opts \
    ':mercurial command:_hg_commands'
    return
  fi

  # resolve abbreviations and aliases
  if ! (( $+functions[_hg_cmd_${cmd}] ))
  then
    local cmdexp
    (( $#_hg_cmd_list )) || _hg_get_commands

    cmdexp=$_hg_cmd_list[(r)${cmd}*]
    if [[ $cmdexp == $_hg_cmd_list[(R)${cmd}*] ]]
    then
      # might be nice to rewrite the command line with the expansion
      cmd="$cmdexp"
    fi
    if [[ -n $_hg_alias_list[$cmd] ]]
    then
      cmd=$_hg_alias_list[$cmd]
    fi
  fi

  curcontext="${curcontext%:*:*}:hg-${cmd}:"

  zstyle -s ":completion:$curcontext:" cache-policy update_policy

  if [[ -z "$update_policy" ]]
  then
    zstyle ":completion:$curcontext:" cache-policy _hg_cache_policy
  fi

  if (( $+functions[_hg_cmd_${cmd}] ))
  then
    _hg_cmd_${cmd}
  else
    # complete unknown commands normally
    _arguments -s -w : $_hg_global_opts \
      '*:files:_hg_files'
  fi
}

_hg_cache_policy() {
  typeset -a old

  # cache for a minute
  old=( "$1"(mm+10) )
  (( $#old )) && return 0

  return 1
}

_hg_get_commands() {
  typeset -ga _hg_cmd_list
  typeset -gA _hg_alias_list
  local hline cmd cmdalias

  _call_program hg hg debugcomplete -v 2>/dev/null | while read -A hline
  do
    cmd=$hline[1]
    _hg_cmd_list+=($cmd)

    for cmdalias in $hline[2,-1]
    do
      _hg_cmd_list+=($cmdalias)
      _hg_alias_list+=($cmdalias $cmd)
    done
  done
}

_hg_commands() {
  (( $#_hg_cmd_list )) || _hg_get_commands
  _describe -t commands 'mercurial command' _hg_cmd_list
}

_hg_revrange() {
  compset -P 1 '*:'
  _hg_tags "$@"
}

_hg_tags() {
  typeset -a tags
  local tag rev

  _hg_cmd tags 2> /dev/null | while read tag
  do
    tags+=(${tag/ #    [0-9]#:*})
  done
  (( $#tags )) && _describe -t tags 'tags' tags
}

_hg_files() {
  if [[ -n "$_hg_root" ]]
  then
    [[ -d "$_hg_root/.hg" ]] || return
    case "$_hg_root" in
      /*)
        _files -W $_hg_root
      ;;
      *)
        _files -W $PWD/$_hg_root
      ;;
    esac
  else
    _files
  fi
}

_hg_status() {
  [[ -d $PREFIX ]] || PREFIX=$PREFIX:h
  status_files=(${(ps:\0:)"$(_hg_cmd status -0n$1 ./$PREFIX 2>/dev/null)"})
}

_hg_unknown() {
  typeset -a status_files
  _hg_status u
  _wanted files expl 'unknown files' _multi_parts / status_files
}

_hg_missing() {
  typeset -a status_files
  _hg_status d
  _wanted files expl 'missing files' _multi_parts / status_files
}

_hg_modified() {
  typeset -a status_files
  _hg_status m
  _wanted files expl 'modified files' _multi_parts / status_files
}

_hg_resolve() {
  local rstate rpah

  [[ -d $PREFIX ]] || PREFIX=$PREFIX:h

  _hg_cmd resolve -l ./$PREFIX 2> /dev/null | while read rstate rpath
  do
    [[ $rstate == 'R' ]] && resolved_files+=($rpath)
    [[ $rstate == 'U' ]] && unresolved_files+=($rpath)
  done
}

_hg_resolved() {
  typeset -a resolved_files unresolved_files
  _hg_resolve
  _wanted files expl 'resolved files' _multi_parts / resolved_files
}

_hg_unresolved() {
  typeset -a resolved_files unresolved_files
  _hg_resolve
  _wanted files expl 'unresolved files' _multi_parts / unresolved_files
}

_hg_config() {
    typeset -a items
    items=(${${(%f)"$(_call_program hg hg showconfig)"}%%\=*})
    (( $#items )) && _describe -t config 'config item' items
}

_hg_addremove() {
  _alternative 'files:unknown files:_hg_unknown' \
    'files:missing files:_hg_missing'
}

_hg_ssh_urls() {
  if [[ -prefix */ ]]
  then
    if zstyle -T ":completion:${curcontext}:files" remote-access
    then
      local host=${PREFIX%%/*}
      typeset -a remdirs
      compset -p $(( $#host + 1 ))
      local rempath=${(M)PREFIX##*/}
      local cacheid="hg:${host}-${rempath//\//_}"
      cacheid=${cacheid%[-_]}
      compset -P '*/'
      if _cache_invalid "$cacheid" || ! _retrieve_cache "$cacheid"
      then
        remdirs=(${${(M)${(f)"$(_call_program files ssh -a -x $host ls -1FL "${(q)rempath}" 2> /dev/null)"}##*/}%/})
        _store_cache "$cacheid" remdirs
      fi
      _describe -t directories 'remote directory' remdirs -S/
    else
      _message 'remote directory'
    fi
  else
    if compset -P '*@'
    then
      _hosts -S/
    else
      _alternative 'hosts:remote host name:_hosts -S/' \
        'users:user:_users -S@'
    fi
  fi
}

_hg_urls() {
  if compset -P bundle://
  then
    _files
  elif compset -P ssh://
  then
    _hg_ssh_urls
  elif [[ -prefix *: ]]
  then
    _urls
  else
    local expl
    compset -S '[^:]*'
    _wanted url-schemas expl 'URL schema' compadd -S '' - \
      http:// https:// ssh:// bundle://
  fi
}

_hg_paths() {
  typeset -a paths pnames
  _hg_cmd paths 2> /dev/null | while read -A pnames
  do
    paths+=($pnames[1])
  done
  (( $#paths )) && _describe -t path-aliases 'repository alias' paths
}

_hg_remote() {
  _alternative 'path-aliases:repository alias:_hg_paths' \
    'directories:directory:_files -/' \
    'urls:URL:_hg_urls'
}

_hg_clone_dest() {
  _alternative 'directories:directory:_files -/' \
    'urls:URL:_hg_urls'
}

# Common options
_hg_global_opts=(
    '(--repository -R)'{-R+,--repository}'[repository root directory]:repository:_files -/'
    '--cwd[change working directory]:new working directory:_files -/'
    '(--noninteractive -y)'{-y,--noninteractive}'[do not prompt, assume yes for any required answers]'
    '(--verbose -v)'{-v,--verbose}'[enable additional output]'
    '*--config[set/override config option]:defined config items:_hg_config'
    '(--quiet -q)'{-q,--quiet}'[suppress output]'
    '(--help -h)'{-h,--help}'[display help and exit]'
    '--debug[debug mode]'
    '--debugger[start debugger]'
    '--encoding[set the charset encoding (default: UTF8)]'
    '--encodingmode[set the charset encoding mode (default: strict)]'
    '--lsprof[print improved command execution profile]'
    '--traceback[print traceback on exception]'
    '--time[time how long the command takes]'
    '--profile[profile]'
    '--version[output version information and exit]'
)

_hg_pat_opts=(
  '*'{-I+,--include}'[include names matching the given patterns]:dir:_files -W $(_hg_cmd root) -/'
  '*'{-X+,--exclude}'[exclude names matching the given patterns]:dir:_files -W $(_hg_cmd root) -/')

_hg_diff_opts=(
  '(--text -a)'{-a,--text}'[treat all files as text]'
  '(--git -g)'{-g,--git}'[use git extended diff format]'
  "--nodates[don't include dates in diff headers]")

_hg_dryrun_opts=(
  '(--dry-run -n)'{-n,--dry-run}'[do not perform actions, just print output]')

_hg_style_opts=(
  '--style[display using template map file]:'
  '--template[display with template]:')

_hg_commit_opts=(
  '(-m --message -l --logfile --edit -e)'{-e,--edit}'[edit commit message]'
  '(-e --edit -l --logfile --message -m)'{-m+,--message}'[use <text> as commit message]:message:'
  '(-e --edit -m --message --logfile -l)'{-l+,--logfile}'[read the commit message from <file>]:log file:_files')

_hg_remote_opts=(
  '(--ssh -e)'{-e+,--ssh}'[specify ssh command to use]:'
  '--remotecmd[specify hg command to run on the remote side]:')

_hg_cmd() {
  _call_program hg hg "$_hg_cmd_globals[@]" "$@"
}

_hg_cmd_add() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts $_hg_dryrun_opts \
  '*:unknown files:_hg_unknown'
}

_hg_cmd_addremove() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts $_hg_dryrun_opts \
  '(--similarity -s)'{-s+,--similarity}'[guess renamed files by similarity (0<=s<=100)]:' \
  '*:unknown or missing files:_hg_addremove'
}

_hg_cmd_annotate() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
  '(--rev -r)'{-r+,--rev}'[annotate the specified revision]:revision:_hg_tags' \
  '(--follow -f)'{-f,--follow}'[follow file copies and renames]' \
  '(--text -a)'{-a,--text}'[treat all files as text]' \
  '(--user -u)'{-u,--user}'[list the author]' \
  '(--date -d)'{-d,--date}'[list the date]' \
  '(--number -n)'{-n,--number}'[list the revision number (default)]' \
  '(--changeset -c)'{-c,--changeset}'[list the changeset]' \
  '*:files:_hg_files'
}

_hg_cmd_archive() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
  '--no-decode[do not pass files through decoders]' \
  '(--prefix -p)'{-p+,--prefix}'[directory prefix for files in archive]:' \
  '(--rev -r)'{-r+,--rev}'[revision to distribute]:revision:_hg_tags' \
  '(--type -t)'{-t+,--type}'[type of distribution to create]:archive type:(files tar tbz2 tgz uzip zip)' \
  '*:destination:_files'
}

_hg_cmd_backout() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
    '--merge[merge with old dirstate parent after backout]' \
    '(--date -d)'{-d+,--date}'[record datecode as commit date]:date code:' \
    '--parent[parent to choose when backing out merge]' \
    '(--user -u)'{-u+,--user}'[record user as commiter]:user:' \
    '(--rev -r)'{-r+,--rev}'[revision]:revision:_hg_tags' \
    '(--message -m)'{-m+,--message}'[use <text> as commit message]:text:' \
    '(--logfile -l)'{-l+,--logfile}'[read commit message from <file>]:log file:_files -g \*.txt'
}

_hg_cmd_bundle() {
  _arguments -s -w : $_hg_global_opts $_hg_remote_opts \
  '(--force -f)'{-f,--force}'[run even when remote repository is unrelated]' \
  '(2)*--base[a base changeset to specify instead of a destination]:revision:_hg_tags' \
  ':output file:_files' \
  ':destination repository:_files -/'
}

_hg_cmd_cat() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
  '(--output -o)'{-o+,--output}'[print output to file with formatted name]:filespec:' \
  '(--rev -r)'{-r+,--rev}'[revision]:revision:_hg_tags' \
  '*:file:_hg_files'
}

_hg_cmd_clone() {
  _arguments -s -w : $_hg_global_opts $_hg_remote_opts \
  '(--noupdate -U)'{-U,--noupdate}'[do not update the new working directory]' \
  '(--rev -r)'{-r+,--rev}'[a changeset you would like to have after cloning]:' \
  '--uncompressed[use uncompressed transfer (fast over LAN)]' \
  ':source repository:_hg_remote' \
  ':destination:_hg_clone_dest'
}

_hg_cmd_commit() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
  '(--addremove -A)'{-A,--addremove}'[mark new/missing files as added/removed before committing]' \
  '(--message -m)'{-m+,--message}'[use <text> as commit message]:text:' \
  '(--logfile -l)'{-l+,--logfile}'[read commit message from <file>]:log file:_files -g \*.txt' \
  '(--date -d)'{-d+,--date}'[record datecode as commit date]:date code:' \
  '(--user -u)'{-u+,--user}'[record user as commiter]:user:' \
  '*:file:_hg_files'
}

_hg_cmd_copy() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts $_hg_dryrun_opts \
  '(--after -A)'{-A,--after}'[record a copy that has already occurred]' \
  '(--force -f)'{-f,--force}'[forcibly copy over an existing managed file]' \
  '*:file:_hg_files'
}

_hg_cmd_diff() {
  typeset -A opt_args
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts $_hg_diff_opts \
  '*'{-r,--rev}'+[revision]:revision:_hg_revrange' \
  '(--show-function -p)'{-p,--show-function}'[show which function each change is in]' \
  '(--ignore-all-space -w)'{-w,--ignore-all-space}'[ignore white space when comparing lines]' \
  '(--ignore-space-change -b)'{-b,--ignore-space-change}'[ignore changes in the amount of white space]' \
  '(--ignore-blank-lines -B)'{-B,--ignore-blank-lines}'[ignore changes whose lines are all blank]' \
  '*:file:->diff_files'

  if [[ $state == 'diff_files' ]]
  then
    if [[ -n $opt_args[-r] ]]
    then
      _hg_files
    else
      _hg_modified
    fi
  fi
}

_hg_cmd_export() {
  _arguments -s -w : $_hg_global_opts $_hg_diff_opts \
  '(--outout -o)'{-o+,--output}'[print output to file with formatted name]:filespec:' \
  '--switch-parent[diff against the second parent]' \
  '*:revision:_hg_tags'
}

_hg_cmd_grep() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
  '(--print0 -0)'{-0,--print0}'[end filenames with NUL]' \
  '--all[print all revisions with matches]' \
  '(--follow -f)'{-f,--follow}'[follow changeset or file history]' \
  '(--ignore-case -i)'{-i,--ignore-case}'[ignore case when matching]' \
  '(--files-with-matches -l)'{-l,--files-with-matches}'[print only filenames and revs that match]' \
  '(--line-number -n)'{-n,--line-number}'[print matching line numbers]' \
  '*'{-r+,--rev}'[search in given revision range]:revision:_hg_revrange' \
  '(--user -u)'{-u,--user}'[print user who committed change]' \
  '1:search pattern:' \
  '*:files:_hg_files'
}

_hg_cmd_heads() {
  _arguments -s -w : $_hg_global_opts $_hg_style_opts \
  '(--rev -r)'{-r+,--rev}'[show only heads which are descendants of rev]:revision:_hg_tags'
}

_hg_cmd_help() {
  _arguments -s -w : $_hg_global_opts \
  '*:mercurial command:_hg_commands'
}

_hg_cmd_identify() {
  _arguments -s -w : $_hg_global_opts \
  '(--rev -r)'{-r+,--rev}'[identify the specified rev]:revision:_hg_tags' \
  '(--num -n)'{-n+,--num}'[show local revision number]' \
  '(--id -i)'{-i+,--id}'[show global revision id]' \
  '(--branch -b)'{-b+,--branch}'[show branch]' \
  '(--tags -t)'{-t+,--tags}'[show tags]'
}

_hg_cmd_import() {
  _arguments -s -w : $_hg_global_opts \
  '(--strip -p)'{-p+,--strip}'[directory strip option for patch (default: 1)]:count:' \
  '(--message -m)'{-m+,--message}'[use <text> as commit message]:text:' \
  '(--force -f)'{-f,--force}'[skip check for outstanding uncommitted changes]' \
  '*:patch:_files'
}

_hg_cmd_incoming() {
  _arguments -s -w : $_hg_global_opts $_hg_remote_opts $_hg_style_opts \
  '(--no-merges -M)'{-M,--no-merges}'[do not show merge revisions]' \
  '(--force -f)'{-f,--force}'[run even when the remote repository is unrelated]' \
  '(--patch -p)'{-p,--patch}'[show patch]' \
  '(--rev -r)'{-r+,--rev}'[a specific revision up to which you would like to pull]:revision:_hg_tags' \
  '(--newest-first -n)'{-n,--newest-first}'[show newest record first]' \
  '--bundle[file to store the bundles into]:bundle file:_files' \
  ':source:_hg_remote'
}

_hg_cmd_init() {
  _arguments -s -w : $_hg_global_opts $_hg_remote_opts \
  ':dir:_files -/'
}

_hg_cmd_locate() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
  '(--rev -r)'{-r+,--rev}'[search repository as it stood at revision]:revision:_hg_tags' \
  '(--print0 -0)'{-0,--print0}'[end filenames with NUL, for use with xargs]' \
  '(--fullpath -f)'{-f,--fullpath}'[print complete paths]' \
  '*:search pattern:_hg_files'
}

_hg_cmd_log() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts $_hg_style_opts \
  '(--follow --follow-first -f)'{-f,--follow}'[follow changeset or history]' \
  '(-f --follow)--follow-first[only follow the first parent of merge changesets]' \
  '(--copies -C)'{-C,--copies}'[show copied files]' \
  '(--keyword -k)'{-k+,--keyword}'[search for a keyword]:' \
  '(--limit -l)'{-l+,--limit}'[limit number of changes displayed]:' \
  '*'{-r,--rev}'[show the specified revision or range]:revision:_hg_revrange' \
  '(--no-merges -M)'{-M,--no-merges}'[do not show merges]' \
  '(--only-merges -m)'{-m,--only-merges}'[show only merges]' \
  '(--patch -p)'{-p,--patch}'[show patch]' \
  '(--prune -P)'{-P+,--prune}'[do not display revision or any of its ancestors]:revision:_hg_tags' \
  '*:files:_hg_files'
}

_hg_cmd_manifest() {
  _arguments -s -w : $_hg_global_opts \
  ':revision:_hg_tags'
}

_hg_cmd_outgoing() {
  _arguments -s -w : $_hg_global_opts $_hg_remote_opts $_hg_style_opts \
  '(--no-merges -M)'{-M,--no-merges}'[do not show merge revisions]' \
  '(--force -f)'{-f,--force}'[run even when the remote repository is unrelated]' \
  '(--patch -p)'{-p,--patch}'[show patch]' \
  '(--rev -r)'{-r+,--rev}'[a specific revision you would like to push]' \
  '(--newest-first -n)'{-n,--newest-first}'[show newest record first]' \
  ':destination:_hg_remote'
}

_hg_cmd_parents() {
  _arguments -s -w : $_hg_global_opts $_hg_style_opts \
  '(--rev -r)'{-r+,--rev}'[show parents of the specified rev]:revision:_hg_tags' \
  ':last modified file:_hg_files'
}

_hg_cmd_paths() {
  _arguments -s -w : $_hg_global_opts \
  ':path:_hg_paths'
}

_hg_cmd_pull() {
  _arguments -s -w : $_hg_global_opts $_hg_remote_opts \
  '(--force -f)'{-f,--force}'[run even when the remote repository is unrelated]' \
  '(--update -u)'{-u,--update}'[update to new tip if changesets were pulled]' \
  '(--rev -r)'{-r+,--rev}'[a specific revision up to which you would like to pull]:revision:' \
  ':source:_hg_remote'
}

_hg_cmd_push() {
  _arguments -s -w : $_hg_global_opts $_hg_remote_opts \
  '(--force -f)'{-f,--force}'[force push]' \
  '(--rev -r)'{-r+,--rev}'[a specific revision you would like to push]:revision:_hg_tags' \
  ':destination:_hg_remote'
}

_hg_cmd_remove() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
  '(--after -A)'{-A,--after}'[record remove that has already occurred]' \
  '(--force -f)'{-f,--force}'[remove file even if modified]' \
  '*:file:_hg_files'
}

_hg_cmd_rename() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts $_hg_dryrun_opts \
  '(--after -A)'{-A,--after}'[record a rename that has already occurred]' \
  '(--force -f)'{-f,--force}'[forcibly copy over an existing managed file]' \
  '*:file:_hg_files'
}

_hg_cmd_resolve() {
  local context state line
  typeset -A opt_args

  _arguments -s -w : $_hg_global_opts \
  '(--list -l --mark -m --unmark -u)'{-l,--list}'[list state of files needing merge]:*:merged files:->resolve_files' \
  '(--mark -m --list -l --unmark -u)'{-m,--mark}'[mark files as resolved]:*:unresolved files:_hg_unresolved' \
  '(--unmark -u --list -l --mark -m)'{-u,--unmark}'[unmark files as resolved]:*:resolved files:_hg_resolved' \
  '*:file:_hg_unresolved'

  if [[ $state == 'resolve_files' ]]
  then
    _alternative 'files:resolved files:_hg_resolved' \
      'files:unresolved files:_hg_unresolved'
  fi
}

_hg_cmd_revert() {
  local context state line
  typeset -A opt_args

  _arguments -s -w : $_hg_global_opts $_hg_pat_opts $_hg_dryrun_opts \
  '(--all -a :)'{-a,--all}'[revert all changes when no arguments given]' \
  '(--rev -r)'{-r+,--rev}'[revision to revert to]:revision:_hg_tags' \
  '--no-backup[do not save backup copies of files]' \
  '*:file:->diff_files'

  if [[ $state == 'diff_files' ]]
  then
    if [[ -n $opt_args[-r] ]]
    then
      _hg_files
    else
      typeset -a status_files
      _hg_status mard
      _wanted files expl 'modified, added, removed or deleted file' _multi_parts / status_files
    fi
  fi
}

_hg_cmd_serve() {
  _arguments -s -w : $_hg_global_opts \
  '(--accesslog -A)'{-A+,--accesslog}'[name of access log file]:log file:_files' \
  '(--errorlog -E)'{-E+,--errorlog}'[name of error log file]:log file:_files' \
  '(--daemon -d)'{-d,--daemon}'[run server in background]' \
  '(--port -p)'{-p+,--port}'[listen port]:listen port:' \
  '(--address -a)'{-a+,--address}'[interface address]:interface address:' \
  '(--name -n)'{-n+,--name}'[name to show in web pages]:repository name:' \
  '(--templates -t)'{-t,--templates}'[web template directory]:template dir:_files -/' \
  '--style[web template style]:style' \
  '--stdio[for remote clients]' \
  '(--ipv6 -6)'{-6,--ipv6}'[use IPv6 in addition to IPv4]'
}

_hg_cmd_showconfig() {
  _arguments -s -w : $_hg_global_opts \
  '(--untrusted -u)'{-u+,--untrusted}'[show untrusted configuration options]' \
  ':config item:_hg_config'
}

_hg_cmd_status() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
  '(--all -A)'{-A,--all}'[show status of all files]' \
  '(--modified -m)'{-m,--modified}'[show only modified files]' \
  '(--added -a)'{-a,--added}'[show only added files]' \
  '(--removed -r)'{-r,--removed}'[show only removed files]' \
  '(--deleted -d)'{-d,--deleted}'[show only deleted (but tracked) files]' \
  '(--clean -c)'{-c,--clean}'[show only files without changes]' \
  '(--unknown -u)'{-u,--unknown}'[show only unknown files]' \
  '(--ignored -i)'{-i,--ignored}'[show ignored files]' \
  '(--no-status -n)'{-n,--no-status}'[hide status prefix]' \
  '(--copies -C)'{-C,--copies}'[show source of copied files]' \
  '(--print0 -0)'{-0,--print0}'[end filenames with NUL, for use with xargs]' \
  '--rev[show difference from revision]:revision:_hg_tags' \
  '*:files:_files'
}

_hg_cmd_tag() {
  _arguments -s -w : $_hg_global_opts \
  '(--local -l)'{-l,--local}'[make the tag local]' \
  '(--message -m)'{-m+,--message}'[message for tag commit log entry]:message:' \
  '(--date -d)'{-d+,--date}'[record datecode as commit date]:date code:' \
  '(--user -u)'{-u+,--user}'[record user as commiter]:user:' \
  '(--rev -r)'{-r+,--rev}'[revision to tag]:revision:_hg_tags' \
  ':tag name:'
}

_hg_cmd_tip() {
  _arguments -s -w : $_hg_global_opts $_hg_style_opts \
  '(--patch -p)'{-p,--patch}'[show patch]'
}

_hg_cmd_unbundle() {
  _arguments -s -w : $_hg_global_opts \
  '(--update -u)'{-u,--update}'[update to new tip if changesets were unbundled]' \
  ':files:_files'
}

_hg_cmd_update() {
  _arguments -s -w : $_hg_global_opts \
  '(--clean -C)'{-C,--clean}'[overwrite locally modified files]' \
  '(--rev -r)'{-r+,--rev}'[revision]:revision:_hg_tags' \
  ':revision:_hg_tags'
}

# bisect extension
_hg_cmd_bisect() {
  _arguments -s -w : $_hg_global_opts ':evaluation:(help init reset next good bad)'
}

# HGK
_hg_cmd_view() {
  _arguments -s -w : $_hg_global_opts \
  '(--limit -l)'{-l+,--limit}'[limit number of changes displayed]:' \
  ':revision range:_hg_tags'
}

# MQ
_hg_qseries() {
  typeset -a patches
  patches=(${(f)"$(_hg_cmd qseries 2>/dev/null)"})
  (( $#patches )) && _describe -t hg-patches 'patches' patches
}

_hg_qapplied() {
  typeset -a patches
  patches=(${(f)"$(_hg_cmd qapplied 2>/dev/null)"})
  if (( $#patches ))
  then
    patches+=(qbase qtip)
    _describe -t hg-applied-patches 'applied patches' patches
  fi
}

_hg_qunapplied() {
  typeset -a patches
  patches=(${(f)"$(_hg_cmd qunapplied 2>/dev/null)"})
  (( $#patches )) && _describe -t hg-unapplied-patches 'unapplied patches' patches
}

_hg_qguards() {
  typeset -a guards
  local guard
  compset -P "+|-"
  _hg_cmd qselect -s 2>/dev/null | while read guard
  do
    guards+=(${guard#(+|-)})
  done
  (( $#guards )) && _describe -t hg-guards 'guards' guards
}

_hg_qseries_opts=(
  '(--summary -s)'{-s,--summary}'[print first line of patch header]')

_hg_cmd_qapplied() {
  _arguments -s -w : $_hg_global_opts $_hg_qseries_opts
}

_hg_cmd_qdelete() {
  _arguments -s -w : $_hg_global_opts \
  '(--keep -k)'{-k,--keep}'[keep patch file]' \
  '*'{-r+,--rev}'[stop managing a revision]:applied patch:_hg_revrange' \
  '*:unapplied patch:_hg_qunapplied'
}

_hg_cmd_qdiff() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
  '*:pattern:_hg_files'
}

_hg_cmd_qfold() {
  _arguments -s -w : $_hg_global_opts $_h_commit_opts \
  '(--keep,-k)'{-k,--keep}'[keep folded patch files]' \
  '*:unapplied patch:_hg_qunapplied'
}

_hg_cmd_qgoto() {
  _arguments -s -w : $_hg_global_opts \
  '(--force -f)'{-f,--force}'[overwrite any local changes]' \
  ':patch:_hg_qseries'
}

_hg_cmd_qguard() {
  _arguments -s -w : $_hg_global_opts \
  '(--list -l)'{-l,--list}'[list all patches and guards]' \
  '(--none -n)'{-n,--none}'[drop all guards]' \
  ':patch:_hg_qseries' \
  '*:guards:_hg_qguards'
}

_hg_cmd_qheader() {
  _arguments -s -w : $_hg_global_opts \
  ':patch:_hg_qseries'
}

_hg_cmd_qimport() {
  _arguments -s -w : $_hg_global_opts \
  '(--existing -e)'{-e,--existing}'[import file in patch dir]' \
  '(--name -n 2)'{-n+,--name}'[patch file name]:name:' \
  '(--force -f)'{-f,--force}'[overwrite existing files]' \
  '*'{-r+,--rev}'[place existing revisions under mq control]:revision:_hg_revrange' \
  '*:patch:_files'
}

_hg_cmd_qnew() {
  _arguments -s -w : $_hg_global_opts $_hg_commit_opts \
  '(--force -f)'{-f,--force}'[import uncommitted changes into patch]' \
  ':patch:'
}

_hg_cmd_qnext() {
  _arguments -s -w : $_hg_global_opts $_hg_qseries_opts
}

_hg_cmd_qpop() {
  _arguments -s -w : $_hg_global_opts \
  '(--all -a :)'{-a,--all}'[pop all patches]' \
  '(--name -n)'{-n+,--name}'[queue name to pop]:' \
  '(--force -f)'{-f,--force}'[forget any local changes]' \
  ':patch:_hg_qapplied'
}

_hg_cmd_qprev() {
  _arguments -s -w : $_hg_global_opts $_hg_qseries_opts
}

_hg_cmd_qpush() {
  _arguments -s -w : $_hg_global_opts \
  '(--all -a :)'{-a,--all}'[apply all patches]' \
  '(--list -l)'{-l,--list}'[list patch name in commit text]' \
  '(--merge -m)'{-m+,--merge}'[merge from another queue]:' \
  '(--name -n)'{-n+,--name}'[merge queue name]:' \
  '(--force -f)'{-f,--force}'[apply if the patch has rejects]' \
  ':patch:_hg_qunapplied'
}

_hg_cmd_qrefresh() {
  _arguments -s -w : $_hg_global_opts $_hg_pat_opts $_hg_commit_opts \
  '(--git -g)'{-g,--git}'[use git extended diff format]' \
  '(--short -s)'{-s,--short}'[short refresh]' \
  '*:files:_hg_files'
}

_hg_cmd_qrename() {
  _arguments -s -w : $_hg_global_opts \
  ':patch:_hg_qseries' \
  ':destination:'
}

_hg_cmd_qselect() {
  _arguments -s -w : $_hg_global_opts \
  '(--none -n :)'{-n,--none}'[disable all guards]' \
  '(--series -s :)'{-s,--series}'[list all guards in series file]' \
  '--pop[pop to before first guarded applied patch]' \
  '--reapply[pop and reapply patches]' \
  '*:guards:_hg_qguards'
}

_hg_cmd_qseries() {
  _arguments -s -w : $_hg_global_opts $_hg_qseries_opts \
  '(--missing -m)'{-m,--missing}'[print patches not in series]'
}

_hg_cmd_qunapplied() {
  _arguments -s -w : $_hg_global_opts $_hg_qseries_opts
}

_hg_cmd_qtop() {
  _arguments -s -w : $_hg_global_opts $_hg_qseries_opts
}

_hg_cmd_strip() {
  _arguments -s -w : $_hg_global_opts \
  '(--force -f)'{-f,--force}'[force multi-head removal]' \
  '(--backup -b)'{-b,--backup}'[bundle unrelated changesets]' \
  '(--nobackup -n)'{-n,--nobackup}'[no backups]' \
  ':revision:_hg_tags'
}

_hg "$@"
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