git-completion.bash

# bash/zsh completion support for core Git.
#
# Copyright (C) 2006,2007 Shawn O. Pearce <spearce@spearce.org>
# Conceptually based on gitcompletion (http://gitweb.hawaga.org.uk/).
# Distributed under the GNU General Public License, version 2.0.
#
# The contained completion routines provide support for completing:
#
#    *) local and remote branch names
#    *) local and remote tag names
#    *) .git/remotes file names
#    *) git 'subcommands'
#    *) git email aliases for git-send-email
#    *) tree paths within 'ref:path/to/file' expressions
#    *) file paths within current working directory and index
#    *) common --long-options
#
# To use these routines:
#
#    1) Copy this file to somewhere (e.g. ~/.git-completion.bash).
#    2) Add the following line to your .bashrc/.zshrc:
#        source ~/.git-completion.bash
#    3) Consider changing your PS1 to also show the current branch,
#       see git-prompt.sh for details.
#
# If you use complex aliases of form '!f() { ... }; f', you can use the null
# command ':' as the first command in the function body to declare the desired
# completion style.  For example '!f() { : git commit ; ... }; f' will
# tell the completion to use commit completion.  This also works with aliases
# of form "!sh -c '...'".  For example, "!sh -c ': git commit ; ... '".

case "$COMP_WORDBREAKS" in
*:*) : great ;;
*)   COMP_WORDBREAKS="$COMP_WORDBREAKS:"
esac

# Discovers the path to the git repository taking any '--git-dir=<path>' and
# '-C <path>' options into account and stores it in the $__git_repo_path
# variable.
__git_find_repo_path ()
{
  if [ -n "$__git_repo_path" ]; then
    # we already know where it is
    return
  fi

  if [ -n "${__git_C_args-}" ]; then
    __git_repo_path="$(git "${__git_C_args[@]}" \
      ${__git_dir:+--git-dir="$__git_dir"} \
      rev-parse --absolute-git-dir 2>/dev/null)"
  elif [ -n "${__git_dir-}" ]; then
    test -d "$__git_dir" &&
    __git_repo_path="$__git_dir"
  elif [ -n "${GIT_DIR-}" ]; then
    test -d "${GIT_DIR-}" &&
    __git_repo_path="$GIT_DIR"
  elif [ -d .git ]; then
    __git_repo_path=.git
  else
    __git_repo_path="$(git rev-parse --git-dir 2>/dev/null)"
  fi
}

# Deprecated: use __git_find_repo_path() and $__git_repo_path instead
# __gitdir accepts 0 or 1 arguments (i.e., location)
# returns location of .git repo
__gitdir ()
{
  if [ -z "${1-}" ]; then
    __git_find_repo_path || return 1
    echo "$__git_repo_path"
  elif [ -d "$1/.git" ]; then
    echo "$1/.git"
  else
    echo "$1"
  fi
}

# Runs git with all the options given as argument, respecting any
# '--git-dir=<path>' and '-C <path>' options present on the command line
__git ()
{
  git ${__git_C_args:+"${__git_C_args[@]}"} \
    ${__git_dir:+--git-dir="$__git_dir"} "$@" 2>/dev/null
}

# The following function is based on code from:
#
#   bash_completion - programmable completion functions for bash 3.2+
#
#   Copyright © 2006-2008, Ian Macdonald <ian@caliban.org>
#             © 2009-2010, Bash Completion Maintainers
#                     <bash-completion-devel@lists.alioth.debian.org>
#
#   This program 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, or (at your option)
#   any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software Foundation,
#   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#   The latest version of this software can be obtained here:
#
#   http://bash-completion.alioth.debian.org/
#
#   RELEASE: 2.x

# This function can be used to access a tokenized list of words
# on the command line:
#
# __git_reassemble_comp_words_by_ref '=:'
# if test "${words_[cword_-1]}" = -w
# then
#   ...
# fi
#
# The argument should be a collection of characters from the list of
# word completion separators (COMP_WORDBREAKS) to treat as ordinary
# characters.
#
# This is roughly equivalent to going back in time and setting
# COMP_WORDBREAKS to exclude those characters.  The intent is to
# make option types like --date=<type> and <rev>:<path> easy to
# recognize by treating each shell word as a single token.
#
# It is best not to set COMP_WORDBREAKS directly because the value is
# shared with other completion scripts.  By the time the completion
# function gets called, COMP_WORDS has already been populated so local
# changes to COMP_WORDBREAKS have no effect.
#
# Output: words_, cword_, cur_.

__git_reassemble_comp_words_by_ref()
{
  local exclude i j first
  # Which word separators to exclude?
  exclude="${1//[^$COMP_WORDBREAKS]}"
  cword_=$COMP_CWORD
  if [ -z "$exclude" ]; then
    words_=("${COMP_WORDS[@]}")
    return
  fi
  # List of word completion separators has shrunk;
  # re-assemble words to complete.
  for ((i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do
    # Append each nonempty word consisting of just
    # word separator characters to the current word.
    first=t
    while
      [ $i -gt 0 ] &&
      [ -n "${COMP_WORDS[$i]}" ] &&
      # word consists of excluded word separators
      [ "${COMP_WORDS[$i]//[^$exclude]}" = "${COMP_WORDS[$i]}" ]
    do
      # Attach to the previous token,
      # unless the previous token is the command name.
      if [ $j -ge 2 ] && [ -n "$first" ]; then
        ((j--))
      fi
      first=
      words_[$j]=${words_[j]}${COMP_WORDS[i]}
      if [ $i = $COMP_CWORD ]; then
        cword_=$j
      fi
      if (($i < ${#COMP_WORDS[@]} - 1)); then
        ((i++))
      else
        # Done.
        return
      fi
    done
    words_[$j]=${words_[j]}${COMP_WORDS[i]}
    if [ $i = $COMP_CWORD ]; then
      cword_=$j
    fi
  done
}

if ! type _get_comp_words_by_ref >/dev/null 2>&1; then
_get_comp_words_by_ref ()
{
  local exclude cur_ words_ cword_
  if [ "$1" = "-n" ]; then
    exclude=$2
    shift 2
  fi
  __git_reassemble_comp_words_by_ref "$exclude"
  cur_=${words_[cword_]}
  while [ $# -gt 0 ]; do
    case "$1" in
    cur)
      cur=$cur_
      ;;
    prev)
      prev=${words_[$cword_-1]}
      ;;
    words)
      words=("${words_[@]}")
      ;;
    cword)
      cword=$cword_
      ;;
    esac
    shift
  done
}
fi

# Fills the COMPREPLY array with prefiltered words without any additional
# processing.
# Callers must take care of providing only words that match the current word
# to be completed and adding any prefix and/or suffix (trailing space!), if
# necessary.
# 1: List of newline-separated matching completion words, complete with
#    prefix and suffix.
__gitcomp_direct ()
{
  local IFS=$'\n'

  COMPREPLY=($1)
}

__gitcompappend ()
{
  local x i=${#COMPREPLY[@]}
  for x in $1; do
    if [[ "$x" == "$3"* ]]; then
      COMPREPLY[i++]="$2$x$4"
    fi
  done
}

__gitcompadd ()
{
  COMPREPLY=()
  __gitcompappend "$@"
}

# Generates completion reply, appending a space to possible completion words,
# if necessary.
# It accepts 1 to 4 arguments:
# 1: List of possible completion words.
# 2: A prefix to be added to each possible completion word (optional).
# 3: Generate possible completion matches for this word (optional).
# 4: A suffix to be appended to each possible completion word (optional).
__gitcomp ()
{
  local cur_="${3-$cur}"

  case "$cur_" in
  --*=)
    ;;
  *)
    local c i=0 IFS=$' \t\n'
    for c in $1; do
      c="$c${4-}"
      if [[ $c == "$cur_"* ]]; then
        case $c in
        --*=*|*.) ;;
        *) c="$c " ;;
        esac
        COMPREPLY[i++]="${2-}$c"
      fi
    done
    ;;
  esac
}

# Variation of __gitcomp_nl () that appends to the existing list of
# completion candidates, COMPREPLY.
__gitcomp_nl_append ()
{
  local IFS=$'\n'
  __gitcompappend "$1" "${2-}" "${3-$cur}" "${4- }"
}

# Generates completion reply from newline-separated possible completion words
# by appending a space to all of them.
# It accepts 1 to 4 arguments:
# 1: List of possible completion words, separated by a single newline.
# 2: A prefix to be added to each possible completion word (optional).
# 3: Generate possible completion matches for this word (optional).
# 4: A suffix to be appended to each possible completion word instead of
#    the default space (optional).  If specified but empty, nothing is
#    appended.
__gitcomp_nl ()
{
  COMPREPLY=()
  __gitcomp_nl_append "$@"
}

# Generates completion reply with compgen from newline-separated possible
# completion filenames.
# It accepts 1 to 3 arguments:
# 1: List of possible completion filenames, separated by a single newline.
# 2: A directory prefix to be added to each possible completion filename
#    (optional).
# 3: Generate possible completion matches for this word (optional).
__gitcomp_file ()
{
  local IFS=$'\n'

  # XXX does not work when the directory prefix contains a tilde,
  # since tilde expansion is not applied.
  # This means that COMPREPLY will be empty and Bash default
  # completion will be used.
  __gitcompadd "$1" "${2-}" "${3-$cur}" ""

  # use a hack to enable file mode in bash < 4
  compopt -o filenames +o nospace 2>/dev/null ||
  compgen -f /non-existing-dir/ > /dev/null
}

# Execute 'git ls-files', unless the --committable option is specified, in
# which case it runs 'git diff-index' to find out the files that can be
# committed.  It return paths relative to the directory specified in the first
# argument, and using the options specified in the second argument.
__git_ls_files_helper ()
{
  if [ "$2" == "--committable" ]; then
    __git -C "$1" diff-index --name-only --relative HEAD
  else
    # NOTE: $2 is not quoted in order to support multiple options
    __git -C "$1" ls-files --exclude-standard $2
  fi
}


# __git_index_files accepts 1 or 2 arguments:
# 1: Options to pass to ls-files (required).
# 2: A directory path (optional).
#    If provided, only files within the specified directory are listed.
#    Sub directories are never recursed.  Path must have a trailing
#    slash.
__git_index_files ()
{
  local root="${2-.}" file

  __git_ls_files_helper "$root" "$1" |
  while read -r file; do
    case "$file" in
    ?*/*) echo "${file%%/*}" ;;
    *) echo "$file" ;;
    esac
  done | sort | uniq
}

# Lists branches from the local repository.
# 1: A prefix to be added to each listed branch (optional).
# 2: List only branches matching this word (optional; list all branches if
#    unset or empty).
# 3: A suffix to be appended to each listed branch (optional).
__git_heads ()
{
  local pfx="${1-}" cur_="${2-}" sfx="${3-}"

  __git for-each-ref --format="${pfx//\%/%%}%(refname:strip=2)$sfx" \
      "refs/heads/$cur_*" "refs/heads/$cur_*/**"
}

# Lists tags from the local repository.
# Accepts the same positional parameters as __git_heads() above.
__git_tags ()
{
  local pfx="${1-}" cur_="${2-}" sfx="${3-}"

  __git for-each-ref --format="${pfx//\%/%%}%(refname:strip=2)$sfx" \
      "refs/tags/$cur_*" "refs/tags/$cur_*/**"
}

# Lists refs from the local (by default) or from a remote repository.
# It accepts 0, 1 or 2 arguments:
# 1: The remote to list refs from (optional; ignored, if set but empty).
#    Can be the name of a configured remote, a path, or a URL.
# 2: In addition to local refs, list unique branches from refs/remotes/ for
#    'git checkout's tracking DWIMery (optional; ignored, if set but empty).
# 3: A prefix to be added to each listed ref (optional).
# 4: List only refs matching this word (optional; list all refs if unset or
#    empty).
# 5: A suffix to be appended to each listed ref (optional; ignored, if set
#    but empty).
#
# Use __git_complete_refs() instead.
__git_refs ()
{
  local i hash dir track="${2-}"
  local list_refs_from=path remote="${1-}"
  local format refs
  local pfx="${3-}" cur_="${4-$cur}" sfx="${5-}"
  local match="${4-}"
  local fer_pfx="${pfx//\%/%%}" # "escape" for-each-ref format specifiers

  __git_find_repo_path
  dir="$__git_repo_path"

  if [ -z "$remote" ]; then
    if [ -z "$dir" ]; then
      return
    fi
  else
    if __git_is_configured_remote "$remote"; then
      # configured remote takes precedence over a
      # local directory with the same name
      list_refs_from=remote
    elif [ -d "$remote/.git" ]; then
      dir="$remote/.git"
    elif [ -d "$remote" ]; then
      dir="$remote"
    else
      list_refs_from=url
    fi
  fi

  if [ "$list_refs_from" = path ]; then
    if [[ "$cur_" == ^* ]]; then
      pfx="$pfx^"
      fer_pfx="$fer_pfx^"
      cur_=${cur_#^}
      match=${match#^}
    fi
    case "$cur_" in
    refs|refs/*)
      format="refname"
      refs=("$match*" "$match*/**")
      track=""
      ;;
    *)
      for i in HEAD FETCH_HEAD ORIG_HEAD MERGE_HEAD; do
        case "$i" in
        $match*)
          if [ -e "$dir/$i" ]; then
            echo "$pfx$i$sfx"
          fi
          ;;
        esac
      done
      format="refname:strip=2"
      refs=("refs/tags/$match*" "refs/tags/$match*/**"
        "refs/heads/$match*" "refs/heads/$match*/**"
        "refs/remotes/$match*" "refs/remotes/$match*/**")
      ;;
    esac
    __git_dir="$dir" __git for-each-ref --format="$fer_pfx%($format)$sfx" \
      "${refs[@]}"
    if [ -n "$track" ]; then
      # employ the heuristic used by git checkout
      # Try to find a remote branch that matches the completion word
      # but only output if the branch name is unique
      __git for-each-ref --format="$fer_pfx%(refname:strip=3)$sfx" \
        --sort="refname:strip=3" \
        "refs/remotes/*/$match*" "refs/remotes/*/$match*/**" | \
      uniq -u
    fi
    return
  fi
  case "$cur_" in
  refs|refs/*)
    __git ls-remote "$remote" "$match*" | \
    while read -r hash i; do
      case "$i" in
      *^{}) ;;
      *) echo "$pfx$i$sfx" ;;
      esac
    done
    ;;
  *)
    if [ "$list_refs_from" = remote ]; then
      case "HEAD" in
      $match*)  echo "${pfx}HEAD$sfx" ;;
      esac
      __git for-each-ref --format="$fer_pfx%(refname:strip=3)$sfx" \
        "refs/remotes/$remote/$match*" \
        "refs/remotes/$remote/$match*/**"
    else
      local query_symref
      case "HEAD" in
      $match*)  query_symref="HEAD" ;;
      esac
      __git ls-remote "$remote" $query_symref \
        "refs/tags/$match*" "refs/heads/$match*" \
        "refs/remotes/$match*" |
      while read -r hash i; do
        case "$i" in
        *^{}) ;;
        refs/*) echo "$pfx${i#refs/*/}$sfx" ;;
        *)  echo "$pfx$i$sfx" ;;  # symbolic refs
        esac
      done
    fi
    ;;
  esac
}

# Completes refs, short and long, local and remote, symbolic and pseudo.
#
# Usage: __git_complete_refs [<option>]...
# --remote=<remote>: The remote to list refs from, can be the name of a
#                    configured remote, a path, or a URL.
# --track: List unique remote branches for 'git checkout's tracking DWIMery.
# --pfx=<prefix>: A prefix to be added to each ref.
# --cur=<word>: The current ref to be completed.  Defaults to the current
#               word to be completed.
# --sfx=<suffix>: A suffix to be appended to each ref instead of the default
#                 space.
__git_complete_refs ()
{
  local remote track pfx cur_="$cur" sfx=" "

  while test $# != 0; do
    case "$1" in
    --remote=*) remote="${1##--remote=}" ;;
    --track)  track="yes" ;;
    --pfx=*)  pfx="${1##--pfx=}" ;;
    --cur=*)  cur_="${1##--cur=}" ;;
    --sfx=*)  sfx="${1##--sfx=}" ;;
    *)    return 1 ;;
    esac
    shift
  done

  __gitcomp_direct "$(__git_refs "$remote" "$track" "$pfx" "$cur_" "$sfx")"
}

# __git_refs2 requires 1 argument (to pass to __git_refs)
# Deprecated: use __git_complete_fetch_refspecs() instead.
__git_refs2 ()
{
  local i
  for i in $(__git_refs "$1"); do
    echo "$i:$i"
  done
}

# Completes refspecs for fetching from a remote repository.
# 1: The remote repository.
# 2: A prefix to be added to each listed refspec (optional).
# 3: The ref to be completed as a refspec instead of the current word to be
#    completed (optional)
# 4: A suffix to be appended to each listed refspec instead of the default
#    space (optional).
__git_complete_fetch_refspecs ()
{
  local i remote="$1" pfx="${2-}" cur_="${3-$cur}" sfx="${4- }"

  __gitcomp_direct "$(
    for i in $(__git_refs "$remote" "" "" "$cur_") ; do
      echo "$pfx$i:$i$sfx"
    done
    )"
}

# __git_refs_remotes requires 1 argument (to pass to ls-remote)
__git_refs_remotes ()
{
  local i hash
  __git ls-remote "$1" 'refs/heads/*' | \
  while read -r hash i; do
    echo "$i:refs/remotes/$1/${i#refs/heads/}"
  done
}

__git_remotes ()
{
  __git_find_repo_path
  test -d "$__git_repo_path/remotes" && ls -1 "$__git_repo_path/remotes"
  __git remote
}

# Returns true if $1 matches the name of a configured remote, false otherwise.
__git_is_configured_remote ()
{
  local remote
  for remote in $(__git_remotes); do
    if [ "$remote" = "$1" ]; then
      return 0
    fi
  done
  return 1
}

__git_list_merge_strategies ()
{
  git merge -s help 2>&1 |
  sed -n -e '/[Aa]vailable strategies are: /,/^$/{
    s/\.$//
    s/.*://
    s/^[  ]*//
    s/[   ]*$//
    p
  }'
}

__git_merge_strategies=
# 'git merge -s help' (and thus detection of the merge strategy
# list) fails, unfortunately, if run outside of any git working
# tree.  __git_merge_strategies is set to the empty string in
# that case, and the detection will be repeated the next time it
# is needed.
__git_compute_merge_strategies ()
{
  test -n "$__git_merge_strategies" ||
  __git_merge_strategies=$(__git_list_merge_strategies)
}

__git_complete_revlist_file ()
{
  local pfx ls ref cur_="$cur"
  case "$cur_" in
  *..?*:*)
    return
    ;;
  ?*:*)
    ref="${cur_%%:*}"
    cur_="${cur_#*:}"
    case "$cur_" in
    ?*/*)
      pfx="${cur_%/*}"
      cur_="${cur_##*/}"
      ls="$ref:$pfx"
      pfx="$pfx/"
      ;;
    *)
      ls="$ref"
      ;;
    esac

    case "$COMP_WORDBREAKS" in
    *:*) : great ;;
    *)   pfx="$ref:$pfx" ;;
    esac

    __gitcomp_nl "$(__git ls-tree "$ls" \
        | sed '/^100... blob /{
                   s,^.*  ,,
                   s,$, ,
               }
               /^120000 blob /{
                   s,^.*  ,,
                   s,$, ,
               }
               /^040000 tree /{
                   s,^.*  ,,
                   s,$,/,
               }
               s/^.*  //')" \
      "$pfx" "$cur_" ""
    ;;
  *...*)
    pfx="${cur_%...*}..."
    cur_="${cur_#*...}"
    __git_complete_refs --pfx="$pfx" --cur="$cur_"
    ;;
  *..*)
    pfx="${cur_%..*}.."
    cur_="${cur_#*..}"
    __git_complete_refs --pfx="$pfx" --cur="$cur_"
    ;;
  *)
    __git_complete_refs
    ;;
  esac
}


# __git_complete_index_file requires 1 argument:
# 1: the options to pass to ls-file
#
# The exception is --committable, which finds the files appropriate commit.
__git_complete_index_file ()
{
  local pfx="" cur_="$cur"

  case "$cur_" in
  ?*/*)
    pfx="${cur_%/*}"
    cur_="${cur_##*/}"
    pfx="${pfx}/"
    ;;
  esac

  __gitcomp_file "$(__git_index_files "$1" ${pfx:+"$pfx"})" "$pfx" "$cur_"
}

__git_complete_file ()
{
  __git_complete_revlist_file
}

__git_complete_revlist ()
{
  __git_complete_revlist_file
}

__git_complete_remote_or_refspec ()
{
  local cur_="$cur" cmd="${words[1]}"
  local i c=2 remote="" pfx="" lhs=1 no_complete_refspec=0
  if [ "$cmd" = "remote" ]; then
    ((c++))
  fi
  while [ $c -lt $cword ]; do
    i="${words[c]}"
    case "$i" in
    --mirror) [ "$cmd" = "push" ] && no_complete_refspec=1 ;;
    -d|--delete) [ "$cmd" = "push" ] && lhs=0 ;;
    --all)
      case "$cmd" in
      push) no_complete_refspec=1 ;;
      fetch)
        return
        ;;
      *) ;;
      esac
      ;;
    -*) ;;
    *) remote="$i"; break ;;
    esac
    ((c++))
  done
  if [ -z "$remote" ]; then
    __gitcomp_nl "$(__git_remotes)"
    return
  fi
  if [ $no_complete_refspec = 1 ]; then
    return
  fi
  [ "$remote" = "." ] && remote=
  case "$cur_" in
  *:*)
    case "$COMP_WORDBREAKS" in
    *:*) : great ;;
    *)   pfx="${cur_%%:*}:" ;;
    esac
    cur_="${cur_#*:}"
    lhs=0
    ;;
  +*)
    pfx="+"
    cur_="${cur_#+}"
    ;;
  esac
  case "$cmd" in
  fetch)
    if [ $lhs = 1 ]; then
      __git_complete_fetch_refspecs "$remote" "$pfx" "$cur_"
    else
      __git_complete_refs --pfx="$pfx" --cur="$cur_"
    fi
    ;;
  pull|remote)
    if [ $lhs = 1 ]; then
      __git_complete_refs --remote="$remote" --pfx="$pfx" --cur="$cur_"
    else
      __git_complete_refs --pfx="$pfx" --cur="$cur_"
    fi
    ;;
  push)
    if [ $lhs = 1 ]; then
      __git_complete_refs --pfx="$pfx" --cur="$cur_"
    else
      __git_complete_refs --remote="$remote" --pfx="$pfx" --cur="$cur_"
    fi
    ;;
  esac
}

__git_complete_strategy ()
{
  __git_compute_merge_strategies
  case "$prev" in
  -s|--strategy)
    __gitcomp "$__git_merge_strategies"
    return 0
  esac
  case "$cur" in
  --strategy=*)
    __gitcomp "$__git_merge_strategies" "" "${cur##--strategy=}"
    return 0
    ;;
  esac
  return 1
}

__git_commands () {
  if test -n "${GIT_TESTING_COMMAND_COMPLETION:-}"
  then
    printf "%s" "${GIT_TESTING_COMMAND_COMPLETION}"
  else
    git help -a|egrep '^  [a-zA-Z0-9]'
  fi
}

__git_list_all_commands ()
{
  local i IFS=" "$'\n'
  for i in $(__git_commands)
  do
    case $i in
    *--*)             : helper pattern;;
    *) echo $i;;
    esac
  done
}

__git_all_commands=
__git_compute_all_commands ()
{
  test -n "$__git_all_commands" ||
  __git_all_commands=$(__git_list_all_commands)
}

__git_list_porcelain_commands ()
{
  local i IFS=" "$'\n'
  __git_compute_all_commands
  for i in $__git_all_commands
  do
    case $i in
    *--*)             : helper pattern;;
    applymbox)        : ask gittus;;
    applypatch)       : ask gittus;;
    archimport)       : import;;
    cat-file)         : plumbing;;
    check-attr)       : plumbing;;
    check-ignore)     : plumbing;;
    check-mailmap)    : plumbing;;
    check-ref-format) : plumbing;;
    checkout-index)   : plumbing;;
    column)           : internal helper;;
    commit-tree)      : plumbing;;
    count-objects)    : infrequent;;
    credential)       : credentials;;
    credential-*)     : credentials helper;;
    cvsexportcommit)  : export;;
    cvsimport)        : import;;
    cvsserver)        : daemon;;
    daemon)           : daemon;;
    diff-files)       : plumbing;;
    diff-index)       : plumbing;;
    diff-tree)        : plumbing;;
    fast-import)      : import;;
    fast-export)      : export;;
    fsck-objects)     : plumbing;;
    fetch-pack)       : plumbing;;
    fmt-merge-msg)    : plumbing;;
    for-each-ref)     : plumbing;;
    hash-object)      : plumbing;;
    http-*)           : transport;;
    index-pack)       : plumbing;;
    init-db)          : deprecated;;
    local-fetch)      : plumbing;;
    ls-files)         : plumbing;;
    ls-remote)        : plumbing;;
    ls-tree)          : plumbing;;
    mailinfo)         : plumbing;;
    mailsplit)        : plumbing;;
    merge-*)          : plumbing;;
    mktree)           : plumbing;;
    mktag)            : plumbing;;
    pack-objects)     : plumbing;;
    pack-redundant)   : plumbing;;
    pack-refs)        : plumbing;;
    parse-remote)     : plumbing;;
    patch-id)         : plumbing;;
    prune)            : plumbing;;
    prune-packed)     : plumbing;;
    quiltimport)      : import;;
    read-tree)        : plumbing;;
    receive-pack)     : plumbing;;
    remote-*)         : transport;;
    rerere)           : plumbing;;
    rev-list)         : plumbing;;
    rev-parse)        : plumbing;;
    runstatus)        : plumbing;;
    sh-setup)         : internal;;
    shell)            : daemon;;
    show-ref)         : plumbing;;
    send-pack)        : plumbing;;
    show-index)       : plumbing;;
    ssh-*)            : transport;;
    stripspace)       : plumbing;;
    symbolic-ref)     : plumbing;;
    unpack-file)      : plumbing;;
    unpack-objects)   : plumbing;;
    update-index)     : plumbing;;
    update-ref)       : plumbing;;
    update-server-info) : daemon;;
    upload-archive)   : plumbing;;
    upload-pack)      : plumbing;;
    write-tree)       : plumbing;;
    var)              : infrequent;;
    verify-pack)      : infrequent;;
    verify-tag)       : plumbing;;
    *) echo $i;;
    esac
  done
}

__git_porcelain_commands=
__git_compute_porcelain_commands ()
{
  test -n "$__git_porcelain_commands" ||
  __git_porcelain_commands=$(__git_list_porcelain_commands)
}

# Lists all set config variables starting with the given section prefix,
# with the prefix removed.
__git_get_config_variables ()
{
  local section="$1" i IFS=$'\n'
  for i in $(__git config --name-only --get-regexp "^$section\..*"); do
    echo "${i#$section.}"
  done
}

__git_pretty_aliases ()
{
  __git_get_config_variables "pretty"
}

__git_aliases ()
{
  __git_get_config_variables "alias"
}

# __git_aliased_command requires 1 argument
__git_aliased_command ()
{
  local word cmdline=$(__git config --get "alias.$1")
  for word in $cmdline; do
    case "$word" in
    \!gitk|gitk)
      echo "gitk"
      return
      ;;
    \!*)  : shell command alias ;;
    -*) : option ;;
    *=*)  : setting env ;;
    git)  : git itself ;;
    \(\))   : skip parens of shell function definition ;;
    {)  : skip start of shell helper function ;;
    :)  : skip null command ;;
    \'*)  : skip opening quote after sh -c ;;
    *)
      echo "$word"
      return
    esac
  done
}

# __git_find_on_cmdline requires 1 argument
__git_find_on_cmdline ()
{
  local word subcommand c=1
  while [ $c -lt $cword ]; do
    word="${words[c]}"
    for subcommand in $1; do
      if [ "$subcommand" = "$word" ]; then
        echo "$subcommand"
        return
      fi
    done
    ((c++))
  done
}

# Echo the value of an option set on the command line or config
#
# $1: short option name
# $2: long option name including =
# $3: list of possible values
# $4: config string (optional)
#
# example:
# result="$(__git_get_option_value "-d" "--do-something=" \
#     "yes no" "core.doSomething")"
#
# result is then either empty (no option set) or "yes" or "no"
#
# __git_get_option_value requires 3 arguments
__git_get_option_value ()
{
  local c short_opt long_opt val
  local result= values config_key word

  short_opt="$1"
  long_opt="$2"
  values="$3"
  config_key="$4"

  ((c = $cword - 1))
  while [ $c -ge 0 ]; do
    word="${words[c]}"
    for val in $values; do
      if [ "$short_opt$val" = "$word" ] ||
         [ "$long_opt$val"  = "$word" ]; then
        result="$val"
        break 2
      fi
    done
    ((c--))
  done

  if [ -n "$config_key" ] && [ -z "$result" ]; then
    result="$(__git config "$config_key")"
  fi

  echo "$result"
}

__git_has_doubledash ()
{
  local c=1
  while [ $c -lt $cword ]; do
    if [ "--" = "${words[c]}" ]; then
      return 0
    fi
    ((c++))
  done
  return 1
}

# Try to count non option arguments passed on the command line for the
# specified git command.
# When options are used, it is necessary to use the special -- option to
# tell the implementation were non option arguments begin.
# XXX this can not be improved, since options can appear everywhere, as
# an example:
# git mv x -n y
#
# __git_count_arguments requires 1 argument: the git command executed.
__git_count_arguments ()
{
  local word i c=0

  # Skip "git" (first argument)
  for ((i=1; i < ${#words[@]}; i++)); do
    word="${words[i]}"

    case "$word" in
      --)
        # Good; we can assume that the following are only non
        # option arguments.
        ((c = 0))
        ;;
      "$1")
        # Skip the specified git command and discard git
        # main options
        ((c = 0))
        ;;
      ?*)
        ((c++))
        ;;
    esac
  done

  printf "%d" $c
}

__git_whitespacelist="nowarn warn error error-all fix"

_git_am ()
{
  __git_find_repo_path
  if [ -d "$__git_repo_path"/rebase-apply ]; then
    __gitcomp "--skip --continue --resolved --abort"
    return
  fi
  case "$cur" in
  --whitespace=*)
    __gitcomp "$__git_whitespacelist" "" "${cur##--whitespace=}"
    return
    ;;
  --*)
    __gitcomp "
      --3way --committer-date-is-author-date --ignore-date
      --ignore-whitespace --ignore-space-change
      --interactive --keep --no-utf8 --signoff --utf8
      --whitespace= --scissors
      "
    return
  esac
}

_git_apply ()
{
  case "$cur" in
  --whitespace=*)
    __gitcomp "$__git_whitespacelist" "" "${cur##--whitespace=}"
    return
    ;;
  --*)
    __gitcomp "
      --stat --numstat --summary --check --index
      --cached --index-info --reverse --reject --unidiff-zero
      --apply --no-add --exclude=
      --ignore-whitespace --ignore-space-change
      --whitespace= --inaccurate-eof --verbose
      --recount --directory=
      "
    return
  esac
}

_git_add ()
{
  case "$cur" in
  --*)
    __gitcomp "
      --interactive --refresh --patch --update --dry-run
      --ignore-errors --intent-to-add --force --edit --chmod=
      "
    return
  esac

  local complete_opt="--others --modified --directory --no-empty-directory"
  if test -n "$(__git_find_on_cmdline "-u --update")"
  then
    complete_opt="--modified"
  fi
  __git_complete_index_file "$complete_opt"
}

_git_archive ()
{
  case "$cur" in
  --format=*)
    __gitcomp "$(git archive --list)" "" "${cur##--format=}"
    return
    ;;
  --remote=*)
    __gitcomp_nl "$(__git_remotes)" "" "${cur##--remote=}"
    return
    ;;
  --*)
    __gitcomp "
      --format= --list --verbose
      --prefix= --remote= --exec= --output
      "
    return
    ;;
  esac
  __git_complete_file
}

_git_bisect ()
{
  __git_has_doubledash && return

  local subcommands="start bad good skip reset visualize replay log run"
  local subcommand="$(__git_find_on_cmdline "$subcommands")"
  if [ -z "$subcommand" ]; then
    __git_find_repo_path
    if [ -f "$__git_repo_path"/BISECT_START ]; then
      __gitcomp "$subcommands"
    else
      __gitcomp "replay start"
    fi
    return
  fi

  case "$subcommand" in
  bad|good|reset|skip|start)
    __git_complete_refs
    ;;
  *)
    ;;
  esac
}

_git_branch ()
{
  local i c=1 only_local_ref="n" has_r="n"

  while [ $c -lt $cword ]; do
    i="${words[c]}"
    case "$i" in
    -d|--delete|-m|--move)  only_local_ref="y" ;;
    -r|--remotes)   has_r="y" ;;
    esac
    ((c++))
  done

  case "$cur" in
  --set-upstream-to=*)
    __git_complete_refs --cur="${cur##--set-upstream-to=}"
    ;;
  --*)
    __gitcomp "
      --color --no-color --verbose --abbrev= --no-abbrev
      --track --no-track --contains --no-contains --merged --no-merged
      --set-upstream-to= --edit-description --list
      --unset-upstream --delete --move --remotes
      --column --no-column --sort= --points-at
      "
    ;;
  *)
    if [ $only_local_ref = "y" -a $has_r = "n" ]; then
      __gitcomp_direct "$(__git_heads "" "$cur" " ")"
    else
      __git_complete_refs
    fi
    ;;
  esac
}

_git_bundle ()
{
  local cmd="${words[2]}"
  case "$cword" in
  2)
    __gitcomp "create list-heads verify unbundle"
    ;;
  3)
    # looking for a file
    ;;
  *)
    case "$cmd" in
      create)
        __git_complete_revlist
      ;;
    esac
    ;;
  esac
}

_git_checkout ()
{
  __git_has_doubledash && return

  case "$cur" in
  --conflict=*)
    __gitcomp "diff3 merge" "" "${cur##--conflict=}"
    ;;
  --*)
    __gitcomp "
      --quiet --ours --theirs --track --no-track --merge
      --conflict= --orphan --patch
      "
    ;;
  *)
    # check if --track, --no-track, or --no-guess was specified
    # if so, disable DWIM mode
    local flags="--track --no-track --no-guess" track_opt="--track"
    if [ -n "$(__git_find_on_cmdline "$flags")" ]; then
      track_opt=''
    fi
    __git_complete_refs $track_opt
    ;;
  esac
}

_git_cherry ()
{
  __git_complete_refs
}

_git_cherry_pick ()
{
  __git_find_repo_path
  if [ -f "$__git_repo_path"/CHERRY_PICK_HEAD ]; then
    __gitcomp "--continue --quit --abort"
    return
  fi
  case "$cur" in
  --*)
    __gitcomp "--edit --no-commit --signoff --strategy= --mainline"
    ;;
  *)
    __git_complete_refs
    ;;
  esac
}

_git_clean ()
{
  case "$cur" in
  --*)
    __gitcomp "--dry-run --quiet"
    return
    ;;
  esac

  # XXX should we check for -x option ?
  __git_complete_index_file "--others --directory"
}

_git_clone ()
{
  case "$cur" in
  --*)
    __gitcomp "
      --local
      --no-hardlinks
      --shared
      --reference
      --quiet
      --no-checkout
      --bare
      --mirror
      --origin
      --upload-pack
      --template=
      --depth
      --single-branch
      --branch
      --recurse-submodules
      --no-single-branch
      --shallow-submodules
      "
    return
    ;;
  esac
}

__git_untracked_file_modes="all no normal"

_git_commit ()
{
  case "$prev" in
  -c|-C)
    __git_complete_refs
    return
    ;;
  esac

  case "$cur" in
  --cleanup=*)
    __gitcomp "default scissors strip verbatim whitespace
      " "" "${cur##--cleanup=}"
    return
    ;;
  --reuse-message=*|--reedit-message=*|\
  --fixup=*|--squash=*)
    __git_complete_refs --cur="${cur#*=}"
    return
    ;;
  --untracked-files=*)
    __gitcomp "$__git_untracked_file_modes" "" "${cur##--untracked-files=}"
    return
    ;;
  --*)
    __gitcomp "
      --all --author= --signoff --verify --no-verify
      --edit --no-edit
      --amend --include --only --interactive
      --dry-run --reuse-message= --reedit-message=
      --reset-author --file= --message= --template=
      --cleanup= --untracked-files --untracked-files=
      --verbose --quiet --fixup= --squash=
      --patch --short --date --allow-empty
      "
    return
  esac

  if __git rev-parse --verify --quiet HEAD >/dev/null; then
    __git_complete_index_file "--committable"
  else
    # This is the first commit
    __git_complete_index_file "--cached"
  fi
}

_git_describe ()
{
  case "$cur" in
  --*)
    __gitcomp "
      --all --tags --contains --abbrev= --candidates=
      --exact-match --debug --long --match --always --first-parent
      --exclude
      "
    return
  esac
  __git_complete_refs
}

__git_diff_algorithms="myers minimal patience histogram"

__git_diff_submodule_formats="diff log short"

__git_diff_common_options="--stat --numstat --shortstat --summary
      --patch-with-stat --name-only --name-status --color
      --no-color --color-words --no-renames --check
      --full-index --binary --abbrev --diff-filter=
      --find-copies-harder
      --text --ignore-space-at-eol --ignore-space-change
      --ignore-all-space --ignore-blank-lines --exit-code
      --quiet --ext-diff --no-ext-diff
      --no-prefix --src-prefix= --dst-prefix=
      --inter-hunk-context=
      --patience --histogram --minimal
      --raw --word-diff --word-diff-regex=
      --dirstat --dirstat= --dirstat-by-file
      --dirstat-by-file= --cumulative
      --diff-algorithm=
      --submodule --submodule=
"

_git_diff ()
{
  __git_has_doubledash && return

  case "$cur" in
  --diff-algorithm=*)
    __gitcomp "$__git_diff_algorithms" "" "${cur##--diff-algorithm=}"
    return
    ;;
  --submodule=*)
    __gitcomp "$__git_diff_submodule_formats" "" "${cur##--submodule=}"
    return
    ;;
  --*)
    __gitcomp "--cached --staged --pickaxe-all --pickaxe-regex
      --base --ours --theirs --no-index
      $__git_diff_common_options
      "
    return
    ;;
  esac
  __git_complete_revlist_file
}

__git_mergetools_common="diffuse diffmerge ecmerge emerge kdiff3 meld opendiff
      tkdiff vimdiff gvimdiff xxdiff araxis p4merge bc codecompare
"

_git_difftool ()
{
  __git_has_doubledash && return

  case "$cur" in
  --tool=*)
    __gitcomp "$__git_mergetools_common kompare" "" "${cur##--tool=}"
    return
    ;;
  --*)
    __gitcomp "--cached --staged --pickaxe-all --pickaxe-regex
      --base --ours --theirs
      --no-renames --diff-filter= --find-copies-harder
      --relative --ignore-submodules
      --tool="
    return
    ;;
  esac
  __git_complete_revlist_file
}

__git_fetch_recurse_submodules="yes on-demand no"

__git_fetch_options="
  --quiet --verbose --append --upload-pack --force --keep --depth=
  --tags --no-tags --all --prune --dry-run --recurse-submodules=
  --unshallow --update-shallow
"

_git_fetch ()
{
  case "$cur" in
  --recurse-submodules=*)
    __gitcomp "$__git_fetch_recurse_submodules" "" "${cur##--recurse-submodules=}"
    return
    ;;
  --*)
    __gitcomp "$__git_fetch_options"
    return
    ;;
  esac
  __git_complete_remote_or_refspec
}

__git_format_patch_options="
  --stdout --attach --no-attach --thread --thread= --no-thread
  --numbered --start-number --numbered-files --keep-subject --signoff
  --signature --no-signature --in-reply-to= --cc= --full-index --binary
  --not --all --cover-letter --no-prefix --src-prefix= --dst-prefix=
  --inline --suffix= --ignore-if-in-upstream --subject-prefix=
  --output-directory --reroll-count --to= --quiet --notes
"

_git_format_patch ()
{
  case "$cur" in
  --thread=*)
    __gitcomp "
      deep shallow
      " "" "${cur##--thread=}"
    return
    ;;
  --*)
    __gitcomp "$__git_format_patch_options"
    return
    ;;
  esac
  __git_complete_revlist
}

_git_fsck ()
{
  case "$cur" in
  --*)
    __gitcomp "
      --tags --root --unreachable --cache --no-reflogs --full
      --strict --verbose --lost-found --name-objects
      "
    return
    ;;
  esac
}

_git_gc ()
{
  case "$cur" in
  --*)
    __gitcomp "--prune --aggressive"
    return
    ;;
  esac
}

_git_gitk ()
{
  _gitk
}

# Lists matching symbol names from a tag (as in ctags) file.
# 1: List symbol names matching this word.
# 2: The tag file to list symbol names from.
# 3: A prefix to be added to each listed symbol name (optional).
# 4: A suffix to be appended to each listed symbol name (optional).
__git_match_ctag () {
  awk -v pfx="${3-}" -v sfx="${4-}" "
    /^${1//\//\\/}/ { print pfx \$1 sfx }
    " "$2"
}

# Complete symbol names from a tag file.
# Usage: __git_complete_symbol [<option>]...
# --tags=<file>: The tag file to list symbol names from instead of the
#                default "tags".
# --pfx=<prefix>: A prefix to be added to each symbol name.
# --cur=<word>: The current symbol name to be completed.  Defaults to
#               the current word to be completed.
# --sfx=<suffix>: A suffix to be appended to each symbol name instead
#                 of the default space.
__git_complete_symbol () {
  local tags=tags pfx="" cur_="${cur-}" sfx=" "

  while test $# != 0; do
    case "$1" in
    --tags=*) tags="${1##--tags=}" ;;
    --pfx=*)  pfx="${1##--pfx=}" ;;
    --cur=*)  cur_="${1##--cur=}" ;;
    --sfx=*)  sfx="${1##--sfx=}" ;;
    *)    return 1 ;;
    esac
    shift
  done

  if test -r "$tags"; then
    __gitcomp_direct "$(__git_match_ctag "$cur_" "$tags" "$pfx" "$sfx")"
  fi
}

_git_grep ()
{
  __git_has_doubledash && return

  case "$cur" in
  --*)
    __gitcomp "
      --cached
      --text --ignore-case --word-regexp --invert-match
      --full-name --line-number
      --extended-regexp --basic-regexp --fixed-strings
      --perl-regexp
      --threads
      --files-with-matches --name-only
      --files-without-match
      --max-depth
      --count
      --and --or --not --all-match
      --break --heading --show-function --function-context
      --untracked --no-index
      "
    return
    ;;
  esac

  case "$cword,$prev" in
  2,*|*,-*)
    __git_complete_symbol && return
    ;;
  esac

  __git_complete_refs
}

_git_help ()
{
  case "$cur" in
  --*)
    __gitcomp "--all --guides --info --man --web"
    return
    ;;
  esac
  __git_compute_all_commands
  __gitcomp "$__git_all_commands $(__git_aliases)
    attributes cli core-tutorial cvs-migration
    diffcore everyday gitk glossary hooks ignore modules
    namespaces repository-layout revisions tutorial tutorial-2
    workflows
    "
}

_git_init ()
{
  case "$cur" in
  --shared=*)
    __gitcomp "
      false true umask group all world everybody
      " "" "${cur##--shared=}"
    return
    ;;
  --*)
    __gitcomp "--quiet --bare --template= --shared --shared="
    return
    ;;
  esac
}

_git_ls_files ()
{
  case "$cur" in
  --*)
    __gitcomp "--cached --deleted --modified --others --ignored
      --stage --directory --no-empty-directory --unmerged
      --killed --exclude= --exclude-from=
      --exclude-per-directory= --exclude-standard
      --error-unmatch --with-tree= --full-name
      --abbrev --ignored --exclude-per-directory
      "
    return
    ;;
  esac

  # XXX ignore options like --modified and always suggest all cached
  # files.
  __git_complete_index_file "--cached"
}

_git_ls_remote ()
{
  case "$cur" in
  --*)
    __gitcomp "--heads --tags --refs --get-url --symref"
    return
    ;;
  esac
  __gitcomp_nl "$(__git_remotes)"
}

_git_ls_tree ()
{
  __git_complete_file
}

# Options that go well for log, shortlog and gitk
__git_log_common_options="
  --not --all
  --branches --tags --remotes
  --first-parent --merges --no-merges
  --max-count=
  --max-age= --since= --after=
  --min-age= --until= --before=
  --min-parents= --max-parents=
  --no-min-parents --no-max-parents
"
# Options that go well for log and gitk (not shortlog)
__git_log_gitk_options="
  --dense --sparse --full-history
  --simplify-merges --simplify-by-decoration
  --left-right --notes --no-notes
"
# Options that go well for log and shortlog (not gitk)
__git_log_shortlog_options="
  --author= --committer= --grep=
  --all-match --invert-grep
"

__git_log_pretty_formats="oneline short medium full fuller email raw format:"
__git_log_date_formats="relative iso8601 rfc2822 short local default raw"

_git_log ()
{
  __git_has_doubledash && return
  __git_find_repo_path

  local merge=""
  if [ -f "$__git_repo_path/MERGE_HEAD" ]; then
    merge="--merge"
  fi
  case "$prev,$cur" in
  -L,:*:*)
    return  # fall back to Bash filename completion
    ;;
  -L,:*)
    __git_complete_symbol --cur="${cur#:}" --sfx=":"
    return
    ;;
  -G,*|-S,*)
    __git_complete_symbol
    return
    ;;
  esac
  case "$cur" in
  --pretty=*|--format=*)
    __gitcomp "$__git_log_pretty_formats $(__git_pretty_aliases)
      " "" "${cur#*=}"
    return
    ;;
  --date=*)
    __gitcomp "$__git_log_date_formats" "" "${cur##--date=}"
    return
    ;;
  --decorate=*)
    __gitcomp "full short no" "" "${cur##--decorate=}"
    return
    ;;
  --diff-algorithm=*)
    __gitcomp "$__git_diff_algorithms" "" "${cur##--diff-algorithm=}"
    return
    ;;
  --submodule=*)
    __gitcomp "$__git_diff_submodule_formats" "" "${cur##--submodule=}"
    return
    ;;
  --*)
    __gitcomp "
      $__git_log_common_options
      $__git_log_shortlog_options
      $__git_log_gitk_options
      --root --topo-order --date-order --reverse
      --follow --full-diff
      --abbrev-commit --abbrev=
      --relative-date --date=
      --pretty= --format= --oneline
      --show-signature
      --cherry-mark
      --cherry-pick
      --graph
      --decorate --decorate=
      --walk-reflogs
      --parents --children
      $merge
      $__git_diff_common_options
      --pickaxe-all --pickaxe-regex
      "
    return
    ;;
  -L:*:*)
    return  # fall back to Bash filename completion
    ;;
  -L:*)
    __git_complete_symbol --cur="${cur#-L:}" --sfx=":"
    return
    ;;
  -G*)
    __git_complete_symbol --pfx="-G" --cur="${cur#-G}"
    return
    ;;
  -S*)
    __git_complete_symbol --pfx="-S" --cur="${cur#-S}"
    return
    ;;
  esac
  __git_complete_revlist
}

# Common merge options shared by git-merge(1) and git-pull(1).
__git_merge_options="
  --no-commit --no-stat --log --no-log --squash --strategy
  --commit --stat --no-squash --ff --no-ff --ff-only --edit --no-edit
  --verify-signatures --no-verify-signatures --gpg-sign
  --quiet --verbose --progress --no-progress
"

_git_merge ()
{
  __git_complete_strategy && return

  case "$cur" in
  --*)
    __gitcomp "$__git_merge_options
      --rerere-autoupdate --no-rerere-autoupdate --abort --continue"
    return
  esac
  __git_complete_refs
}

_git_mergetool ()
{
  case "$cur" in
  --tool=*)
    __gitcomp "$__git_mergetools_common tortoisemerge" "" "${cur##--tool=}"
    return
    ;;
  --*)
    __gitcomp "--tool= --prompt --no-prompt"
    return
    ;;
  esac
}

_git_merge_base ()
{
  case "$cur" in
  --*)
    __gitcomp "--octopus --independent --is-ancestor --fork-point"
    return
    ;;
  esac
  __git_complete_refs
}

_git_mv ()
{
  case "$cur" in
  --*)
    __gitcomp "--dry-run"
    return
    ;;
  esac

  if [ $(__git_count_arguments "mv") -gt 0 ]; then
    # We need to show both cached and untracked files (including
    # empty directories) since this may not be the last argument.
    __git_complete_index_file "--cached --others --directory"
  else
    __git_complete_index_file "--cached"
  fi
}

_git_name_rev ()
{
  __gitcomp "--tags --all --stdin"
}

_git_notes ()
{
  local subcommands='add append copy edit list prune remove show'
  local subcommand="$(__git_find_on_cmdline "$subcommands")"

  case "$subcommand,$cur" in
  ,--*)
    __gitcomp '--ref'
    ;;
  ,*)
    case "$prev" in
    --ref)
      __git_complete_refs
      ;;
    *)
      __gitcomp "$subcommands --ref"
      ;;
    esac
    ;;
  add,--reuse-message=*|append,--reuse-message=*|\
  add,--reedit-message=*|append,--reedit-message=*)
    __git_complete_refs --cur="${cur#*=}"
    ;;
  add,--*|append,--*)
    __gitcomp '--file= --message= --reedit-message=
        --reuse-message='
    ;;
  copy,--*)
    __gitcomp '--stdin'
    ;;
  prune,--*)
    __gitcomp '--dry-run --verbose'
    ;;
  prune,*)
    ;;
  *)
    case "$prev" in
    -m|-F)
      ;;
    *)
      __git_complete_refs
      ;;
    esac
    ;;
  esac
}

_git_pull ()
{
  __git_complete_strategy && return

  case "$cur" in
  --recurse-submodules=*)
    __gitcomp "$__git_fetch_recurse_submodules" "" "${cur##--recurse-submodules=}"
    return
    ;;
  --*)
    __gitcomp "
      --rebase --no-rebase
      $__git_merge_options
      $__git_fetch_options
    "
    return
    ;;
  esac
  __git_complete_remote_or_refspec
}

__git_push_recurse_submodules="check on-demand only"

__git_complete_force_with_lease ()
{
  local cur_=$1

  case "$cur_" in
  --*=)
    ;;
  *:*)
    __git_complete_refs --cur="${cur_#*:}"
    ;;
  *)
    __git_complete_refs --cur="$cur_"
    ;;
  esac
}

_git_push ()
{
  case "$prev" in
  --repo)
    __gitcomp_nl "$(__git_remotes)"
    return
    ;;
  --recurse-submodules)
    __gitcomp "$__git_push_recurse_submodules"
    return
    ;;
  esac
  case "$cur" in
  --repo=*)
    __gitcomp_nl "$(__git_remotes)" "" "${cur##--repo=}"
    return
    ;;
  --recurse-submodules=*)
    __gitcomp "$__git_push_recurse_submodules" "" "${cur##--recurse-submodules=}"
    return
    ;;
  --force-with-lease=*)
    __git_complete_force_with_lease "${cur##--force-with-lease=}"
    return
    ;;
  --*)
    __gitcomp "
      --all --mirror --tags --dry-run --force --verbose
      --quiet --prune --delete --follow-tags
      --receive-pack= --repo= --set-upstream
      --force-with-lease --force-with-lease= --recurse-submodules=
    "
    return
    ;;
  esac
  __git_complete_remote_or_refspec
}

_git_rebase ()
{
  __git_find_repo_path
  if [ -f "$__git_repo_path"/rebase-merge/interactive ]; then
    __gitcomp "--continue --skip --abort --quit --edit-todo"
    return
  elif [ -d "$__git_repo_path"/rebase-apply ] || \
       [ -d "$__git_repo_path"/rebase-merge ]; then
    __gitcomp "--continue --skip --abort --quit"
    return
  fi
  __git_complete_strategy && return
  case "$cur" in
  --whitespace=*)
    __gitcomp "$__git_whitespacelist" "" "${cur##--whitespace=}"
    return
    ;;
  --*)
    __gitcomp "
      --onto --merge --strategy --interactive
      --preserve-merges --stat --no-stat
      --committer-date-is-author-date --ignore-date
      --ignore-whitespace --whitespace=
      --autosquash --no-autosquash
      --fork-point --no-fork-point
      --autostash --no-autostash
      --verify --no-verify
      --keep-empty --root --force-rebase --no-ff
      --exec
      "

    return
  esac
  __git_complete_refs
}

_git_reflog ()
{
  local subcommands="show delete expire"
  local subcommand="$(__git_find_on_cmdline "$subcommands")"

  if [ -z "$subcommand" ]; then
    __gitcomp "$subcommands"
  else
    __git_complete_refs
  fi
}

__git_send_email_confirm_options="always never auto cc compose"
__git_send_email_suppresscc_options="author self cc bodycc sob cccmd body all"

_git_send_email ()
{
  case "$prev" in
  --to|--cc|--bcc|--from)
    __gitcomp "$(__git send-email --dump-aliases)"
    return
    ;;
  esac

  case "$cur" in
  --confirm=*)
    __gitcomp "
      $__git_send_email_confirm_options
      " "" "${cur##--confirm=}"
    return
    ;;
  --suppress-cc=*)
    __gitcomp "
      $__git_send_email_suppresscc_options
      " "" "${cur##--suppress-cc=}"

    return
    ;;
  --smtp-encryption=*)
    __gitcomp "ssl tls" "" "${cur##--smtp-encryption=}"
    return
    ;;
  --thread=*)
    __gitcomp "
      deep shallow
      " "" "${cur##--thread=}"
    return
    ;;
  --to=*|--cc=*|--bcc=*|--from=*)
    __gitcomp "$(__git send-email --dump-aliases)" "" "${cur#--*=}"
    return
    ;;
  --*)
    __gitcomp "--annotate --bcc --cc --cc-cmd --chain-reply-to
      --compose --confirm= --dry-run --envelope-sender
      --from --identity
      --in-reply-to --no-chain-reply-to --no-signed-off-by-cc
      --no-suppress-from --no-thread --quiet
      --signed-off-by-cc --smtp-pass --smtp-server
      --smtp-server-port --smtp-encryption= --smtp-user
      --subject --suppress-cc= --suppress-from --thread --to
      --validate --no-validate
      $__git_format_patch_options"
    return
    ;;
  esac
  __git_complete_revlist
}

_git_stage ()
{
  _git_add
}

_git_status ()
{
  local complete_opt
  local untracked_state

  case "$cur" in
  --ignore-submodules=*)
    __gitcomp "none untracked dirty all" "" "${cur##--ignore-submodules=}"
    return
    ;;
  --untracked-files=*)
    __gitcomp "$__git_untracked_file_modes" "" "${cur##--untracked-files=}"
    return
    ;;
  --column=*)
    __gitcomp "
      always never auto column row plain dense nodense
      " "" "${cur##--column=}"
    return
    ;;
  --*)
    __gitcomp "
      --short --branch --porcelain --long --verbose
      --untracked-files= --ignore-submodules= --ignored
      --column= --no-column
      "
    return
    ;;
  esac

  untracked_state="$(__git_get_option_value "-u" "--untracked-files=" \
    "$__git_untracked_file_modes" "status.showUntrackedFiles")"

  case "$untracked_state" in
  no)
    # --ignored option does not matter
    complete_opt=
    ;;
  all|normal|*)
    complete_opt="--cached --directory --no-empty-directory --others"

    if [ -n "$(__git_find_on_cmdline "--ignored")" ]; then
      complete_opt="$complete_opt --ignored --exclude=*"
    fi
    ;;
  esac

  __git_complete_index_file "$complete_opt"
}

__git_config_get_set_variables ()
{
  local prevword word config_file= c=$cword
  while [ $c -gt 1 ]; do
    word="${words[c]}"
    case "$word" in
    --system|--global|--local|--file=*)
      config_file="$word"
      break
      ;;
    -f|--file)
      config_file="$word $prevword"
      break
      ;;
    esac
    prevword=$word
    c=$((--c))
  done

  __git config $config_file --name-only --list
}

_git_config ()
{
  case "$prev" in
  branch.*.remote|branch.*.pushremote)
    __gitcomp_nl "$(__git_remotes)"
    return
    ;;
  branch.*.merge)
    __git_complete_refs
    return
    ;;
  branch.*.rebase)
    __gitcomp "false true preserve interactive"
    return
    ;;
  remote.pushdefault)
    __gitcomp_nl "$(__git_remotes)"
    return
    ;;
  remote.*.fetch)
    local remote="${prev#remote.}"
    remote="${remote%.fetch}"
    if [ -z "$cur" ]; then
      __gitcomp_nl "refs/heads/" "" "" ""
      return
    fi
    __gitcomp_nl "$(__git_refs_remotes "$remote")"
    return
    ;;
  remote.*.push)
    local remote="${prev#remote.}"
    remote="${remote%.push}"
    __gitcomp_nl "$(__git for-each-ref \
      --format='%(refname):%(refname)' refs/heads)"
    return
    ;;
  pull.twohead|pull.octopus)
    __git_compute_merge_strategies
    __gitcomp "$__git_merge_strategies"
    return
    ;;
  color.branch|color.diff|color.interactive|\
  color.showbranch|color.status|color.ui)
    __gitcomp "always never auto"
    return
    ;;
  color.pager)
    __gitcomp "false true"
    return
    ;;
  color.*.*)
    __gitcomp "
      normal black red green yellow blue magenta cyan white
      bold dim ul blink reverse
      "
    return
    ;;
  diff.submodule)
    __gitcomp "log short"
    return
    ;;
  help.format)
    __gitcomp "man info web html"
    return
    ;;
  log.date)
    __gitcomp "$__git_log_date_formats"
    return
    ;;
  sendemail.aliasesfiletype)
    __gitcomp "mutt mailrc pine elm gnus"
    return
    ;;
  sendemail.confirm)
    __gitcomp "$__git_send_email_confirm_options"
    return
    ;;
  sendemail.suppresscc)
    __gitcomp "$__git_send_email_suppresscc_options"
    return
    ;;
  sendemail.transferencoding)
    __gitcomp "7bit 8bit quoted-printable base64"
    return
    ;;
  --get|--get-all|--unset|--unset-all)
    __gitcomp_nl "$(__git_config_get_set_variables)"
    return
    ;;
  *.*)
    return
    ;;
  esac
  case "$cur" in
  --*)
    __gitcomp "
      --system --global --local --file=
      --list --replace-all
      --get --get-all --get-regexp
      --add --unset --unset-all
      --remove-section --rename-section
      --name-only
      "
    return
    ;;
  branch.*.*)
    local pfx="${cur%.*}." cur_="${cur##*.}"
    __gitcomp "remote pushremote merge mergeoptions rebase" "$pfx" "$cur_"
    return
    ;;
  branch.*)
    local pfx="${cur%.*}." cur_="${cur#*.}"
    __gitcomp_direct "$(__git_heads "$pfx" "$cur_" ".")"
    __gitcomp_nl_append $'autosetupmerge\nautosetuprebase\n' "$pfx" "$cur_"
    return
    ;;
  guitool.*.*)
    local pfx="${cur%.*}." cur_="${cur##*.}"
    __gitcomp "
      argprompt cmd confirm needsfile noconsole norescan
      prompt revprompt revunmerged title
      " "$pfx" "$cur_"
    return
    ;;
  difftool.*.*)
    local pfx="${cur%.*}." cur_="${cur##*.}"
    __gitcomp "cmd path" "$pfx" "$cur_"
    return
    ;;
  man.*.*)
    local pfx="${cur%.*}." cur_="${cur##*.}"
    __gitcomp "cmd path" "$pfx" "$cur_"
    return
    ;;
  mergetool.*.*)
    local pfx="${cur%.*}." cur_="${cur##*.}"
    __gitcomp "cmd path trustExitCode" "$pfx" "$cur_"
    return
    ;;
  pager.*)
    local pfx="${cur%.*}." cur_="${cur#*.}"
    __git_compute_all_commands
    __gitcomp_nl "$__git_all_commands" "$pfx" "$cur_"
    return
    ;;
  remote.*.*)
    local pfx="${cur%.*}." cur_="${cur##*.}"
    __gitcomp "
      url proxy fetch push mirror skipDefaultUpdate
      receivepack uploadpack tagopt pushurl
      " "$pfx" "$cur_"
    return
    ;;
  remote.*)
    local pfx="${cur%.*}." cur_="${cur#*.}"
    __gitcomp_nl "$(__git_remotes)" "$pfx" "$cur_" "."
    __gitcomp_nl_append "pushdefault" "$pfx" "$cur_"
    return
    ;;
  url.*.*)
    local pfx="${cur%.*}." cur_="${cur##*.}"
    __gitcomp "insteadOf pushInsteadOf" "$pfx" "$cur_"
    return
    ;;
  esac
  __gitcomp "
    add.ignoreErrors
    advice.commitBeforeMerge
    advice.detachedHead
    advice.implicitIdentity
    advice.pushNonFastForward
    advice.resolveConflict
    advice.statusHints
    alias.
    am.keepcr
    apply.ignorewhitespace
    apply.whitespace
    branch.autosetupmerge
    branch.autosetuprebase
    browser.
    clean.requireForce
    color.branch
    color.branch.current
    color.branch.local
    color.branch.plain
    color.branch.remote
    color.decorate.HEAD
    color.decorate.branch
    color.decorate.remoteBranch
    color.decorate.stash
    color.decorate.tag
    color.diff
    color.diff.commit
    color.diff.frag
    color.diff.func
    color.diff.meta
    color.diff.new
    color.diff.old
    color.diff.plain
    color.diff.whitespace
    color.grep
    color.grep.context
    color.grep.filename
    color.grep.function
    color.grep.linenumber
    color.grep.match
    color.grep.selected
    color.grep.separator
    color.interactive
    color.interactive.error
    color.interactive.header
    color.interactive.help
    color.interactive.prompt
    color.pager
    color.showbranch
    color.status
    color.status.added
    color.status.changed
    color.status.header
    color.status.nobranch
    color.status.unmerged
    color.status.untracked
    color.status.updated
    color.ui
    commit.status
    commit.template
    core.abbrev
    core.askpass
    core.attributesfile
    core.autocrlf
    core.bare
    core.bigFileThreshold
    core.compression
    core.createObject
    core.deltaBaseCacheLimit
    core.editor
    core.eol
    core.excludesfile
    core.fileMode
    core.fsyncobjectfiles
    core.gitProxy
    core.ignoreStat
    core.ignorecase
    core.logAllRefUpdates
    core.loosecompression
    core.notesRef
    core.packedGitLimit
    core.packedGitWindowSize
    core.pager
    core.preferSymlinkRefs
    core.preloadindex
    core.quotepath
    core.repositoryFormatVersion
    core.safecrlf
    core.sharedRepository
    core.sparseCheckout
    core.symlinks
    core.trustctime
    core.untrackedCache
    core.warnAmbiguousRefs
    core.whitespace
    core.worktree
    diff.autorefreshindex
    diff.external
    diff.ignoreSubmodules
    diff.mnemonicprefix
    diff.noprefix
    diff.renameLimit
    diff.renames
    diff.statGraphWidth
    diff.submodule
    diff.suppressBlankEmpty
    diff.tool
    diff.wordRegex
    diff.algorithm
    difftool.
    difftool.prompt
    fetch.recurseSubmodules
    fetch.unpackLimit
    format.attach
    format.cc
    format.coverLetter
    format.from
    format.headers
    format.numbered
    format.pretty
    format.signature
    format.signoff
    format.subjectprefix
    format.suffix
    format.thread
    format.to
    gc.
    gc.aggressiveWindow
    gc.auto
    gc.autopacklimit
    gc.packrefs
    gc.pruneexpire
    gc.reflogexpire
    gc.reflogexpireunreachable
    gc.rerereresolved
    gc.rerereunresolved
    gitcvs.allbinary
    gitcvs.commitmsgannotation
    gitcvs.dbTableNamePrefix
    gitcvs.dbdriver
    gitcvs.dbname
    gitcvs.dbpass
    gitcvs.dbuser
    gitcvs.enabled
    gitcvs.logfile
    gitcvs.usecrlfattr
    guitool.
    gui.blamehistoryctx
    gui.commitmsgwidth
    gui.copyblamethreshold
    gui.diffcontext
    gui.encoding
    gui.fastcopyblame
    gui.matchtrackingbranch
    gui.newbranchtemplate
    gui.pruneduringfetch
    gui.spellingdictionary
    gui.trustmtime
    help.autocorrect
    help.browser
    help.format
    http.lowSpeedLimit
    http.lowSpeedTime
    http.maxRequests
    http.minSessions
    http.noEPSV
    http.postBuffer
    http.proxy
    http.sslCipherList
    http.sslVersion
    http.sslCAInfo
    http.sslCAPath
    http.sslCert
    http.sslCertPasswordProtected
    http.sslKey
    http.sslVerify
    http.useragent
    i18n.commitEncoding
    i18n.logOutputEncoding
    imap.authMethod
    imap.folder
    imap.host
    imap.pass
    imap.port
    imap.preformattedHTML
    imap.sslverify
    imap.tunnel
    imap.user
    init.templatedir
    instaweb.browser
    instaweb.httpd
    instaweb.local
    instaweb.modulepath
    instaweb.port
    interactive.singlekey
    log.date
    log.decorate
    log.showroot
    mailmap.file
    man.
    man.viewer
    merge.
    merge.conflictstyle
    merge.log
    merge.renameLimit
    merge.renormalize
    merge.stat
    merge.tool
    merge.verbosity
    mergetool.
    mergetool.keepBackup
    mergetool.keepTemporaries
    mergetool.prompt
    notes.displayRef
    notes.rewrite.
    notes.rewrite.amend
    notes.rewrite.rebase
    notes.rewriteMode
    notes.rewriteRef
    pack.compression
    pack.deltaCacheLimit
    pack.deltaCacheSize
    pack.depth
    pack.indexVersion
    pack.packSizeLimit
    pack.threads
    pack.window
    pack.windowMemory
    pager.
    pretty.
    pull.octopus
    pull.twohead
    push.default
    push.followTags
    rebase.autosquash
    rebase.stat
    receive.autogc
    receive.denyCurrentBranch
    receive.denyDeleteCurrent
    receive.denyDeletes
    receive.denyNonFastForwards
    receive.fsckObjects
    receive.unpackLimit
    receive.updateserverinfo
    remote.pushdefault
    remotes.
    repack.usedeltabaseoffset
    rerere.autoupdate
    rerere.enabled
    sendemail.
    sendemail.aliasesfile
    sendemail.aliasfiletype
    sendemail.bcc
    sendemail.cc
    sendemail.cccmd
    sendemail.chainreplyto
    sendemail.confirm
    sendemail.envelopesender
    sendemail.from
    sendemail.identity
    sendemail.multiedit
    sendemail.signedoffbycc
    sendemail.smtpdomain
    sendemail.smtpencryption
    sendemail.smtppass
    sendemail.smtpserver
    sendemail.smtpserveroption
    sendemail.smtpserverport
    sendemail.smtpuser
    sendemail.suppresscc
    sendemail.suppressfrom
    sendemail.thread
    sendemail.to
    sendemail.validate
    showbranch.default
    status.relativePaths
    status.showUntrackedFiles
    status.submodulesummary
    submodule.
    tar.umask
    transfer.unpackLimit
    url.
    user.email
    user.name
    user.signingkey
    web.browser
    branch. remote.
  "
}

_git_remote ()
{
  local subcommands="
    add rename remove set-head set-branches
    get-url set-url show prune update
    "
  local subcommand="$(__git_find_on_cmdline "$subcommands")"
  if [ -z "$subcommand" ]; then
    case "$cur" in
    --*)
      __gitcomp "--verbose"
      ;;
    *)
      __gitcomp "$subcommands"
      ;;
    esac
    return
  fi

  case "$subcommand,$cur" in
  add,--*)
    __gitcomp "--track --master --fetch --tags --no-tags --mirror="
    ;;
  add,*)
    ;;
  set-head,--*)
    __gitcomp "--auto --delete"
    ;;
  set-branches,--*)
    __gitcomp "--add"
    ;;
  set-head,*|set-branches,*)
    __git_complete_remote_or_refspec
    ;;
  update,--*)
    __gitcomp "--prune"
    ;;
  update,*)
    __gitcomp "$(__git_get_config_variables "remotes")"
    ;;
  set-url,--*)
    __gitcomp "--push --add --delete"
    ;;
  get-url,--*)
    __gitcomp "--push --all"
    ;;
  prune,--*)
    __gitcomp "--dry-run"
    ;;
  *)
    __gitcomp_nl "$(__git_remotes)"
    ;;
  esac
}

_git_replace ()
{
  case "$cur" in
  --*)
    __gitcomp "--edit --graft --format= --list --delete"
    return
    ;;
  esac
  __git_complete_refs
}

_git_rerere ()
{
  local subcommands="clear forget diff remaining status gc"
  local subcommand="$(__git_find_on_cmdline "$subcommands")"
  if test -z "$subcommand"
  then
    __gitcomp "$subcommands"
    return
  fi
}

_git_reset ()
{
  __git_has_doubledash && return

  case "$cur" in
  --*)
    __gitcomp "--merge --mixed --hard --soft --patch --keep"
    return
    ;;
  esac
  __git_complete_refs
}

_git_revert ()
{
  __git_find_repo_path
  if [ -f "$__git_repo_path"/REVERT_HEAD ]; then
    __gitcomp "--continue --quit --abort"
    return
  fi
  case "$cur" in
  --*)
    __gitcomp "
      --edit --mainline --no-edit --no-commit --signoff
      --strategy= --strategy-option=
      "
    return
    ;;
  esac
  __git_complete_refs
}

_git_rm ()
{
  case "$cur" in
  --*)
    __gitcomp "--cached --dry-run --ignore-unmatch --quiet"
    return
    ;;
  esac

  __git_complete_index_file "--cached"
}

_git_shortlog ()
{
  __git_has_doubledash && return

  case "$cur" in
  --*)
    __gitcomp "
      $__git_log_common_options
      $__git_log_shortlog_options
      --numbered --summary --email
      "
    return
    ;;
  esac
  __git_complete_revlist
}

_git_show ()
{
  __git_has_doubledash && return

  case "$cur" in
  --pretty=*|--format=*)
    __gitcomp "$__git_log_pretty_formats $(__git_pretty_aliases)
      " "" "${cur#*=}"
    return
    ;;
  --diff-algorithm=*)
    __gitcomp "$__git_diff_algorithms" "" "${cur##--diff-algorithm=}"
    return
    ;;
  --submodule=*)
    __gitcomp "$__git_diff_submodule_formats" "" "${cur##--submodule=}"
    return
    ;;
  --*)
    __gitcomp "--pretty= --format= --abbrev-commit --oneline
      --show-signature
      $__git_diff_common_options
      "
    return
    ;;
  esac
  __git_complete_revlist_file
}

_git_show_branch ()
{
  case "$cur" in
  --*)
    __gitcomp "
      --all --remotes --topo-order --date-order --current --more=
      --list --independent --merge-base --no-name
      --color --no-color
      --sha1-name --sparse --topics --reflog
      "
    return
    ;;
  esac
  __git_complete_revlist
}

_git_stash ()
{
  local save_opts='--all --keep-index --no-keep-index --quiet --patch --include-untracked'
  local subcommands='save list show apply clear drop pop create branch'
  local subcommand="$(__git_find_on_cmdline "$subcommands")"
  if [ -z "$subcommand" ]; then
    case "$cur" in
    --*)
      __gitcomp "$save_opts"
      ;;
    *)
      if [ -z "$(__git_find_on_cmdline "$save_opts")" ]; then
        __gitcomp "$subcommands"
      fi
      ;;
    esac
  else
    case "$subcommand,$cur" in
    save,--*)
      __gitcomp "$save_opts"
      ;;
    apply,--*|pop,--*)
      __gitcomp "--index --quiet"
      ;;
    drop,--*)
      __gitcomp "--quiet"
      ;;
    show,--*|branch,--*)
      ;;
    branch,*)
      if [ $cword -eq 3 ]; then
        __git_complete_refs
      else
        __gitcomp_nl "$(__git stash list \
            | sed -n -e 's/:.*//p')"
      fi
      ;;
    show,*|apply,*|drop,*|pop,*)
      __gitcomp_nl "$(__git stash list \
          | sed -n -e 's/:.*//p')"
      ;;
    *)
      ;;
    esac
  fi
}

_git_submodule ()
{
  __git_has_doubledash && return

  local subcommands="add status init deinit update summary foreach sync"
  local subcommand="$(__git_find_on_cmdline "$subcommands")"
  if [ -z "$subcommand" ]; then
    case "$cur" in
    --*)
      __gitcomp "--quiet"
      ;;
    *)
      __gitcomp "$subcommands"
      ;;
    esac
    return
  fi

  case "$subcommand,$cur" in
  add,--*)
    __gitcomp "--branch --force --name --reference --depth"
    ;;
  status,--*)
    __gitcomp "--cached --recursive"
    ;;
  deinit,--*)
    __gitcomp "--force --all"
    ;;
  update,--*)
    __gitcomp "
      --init --remote --no-fetch
      --recommend-shallow --no-recommend-shallow
      --force --rebase --merge --reference --depth --recursive --jobs
    "
    ;;
  summary,--*)
    __gitcomp "--cached --files --summary-limit"
    ;;
  foreach,--*|sync,--*)
    __gitcomp "--recursive"
    ;;
  *)
    ;;
  esac
}

_git_svn ()
{
  local subcommands="
    init fetch clone rebase dcommit log find-rev
    set-tree commit-diff info create-ignore propget
    proplist show-ignore show-externals branch tag blame
    migrate mkdirs reset gc
    "
  local subcommand="$(__git_find_on_cmdline "$subcommands")"
  if [ -z "$subcommand" ]; then
    __gitcomp "$subcommands"
  else
    local remote_opts="--username= --config-dir= --no-auth-cache"
    local fc_opts="
      --follow-parent --authors-file= --repack=
      --no-metadata --use-svm-props --use-svnsync-props
      --log-window-size= --no-checkout --quiet
      --repack-flags --use-log-author --localtime
      --add-author-from
      --ignore-paths= --include-paths= $remote_opts
      "
    local init_opts="
      --template= --shared= --trunk= --tags=
      --branches= --stdlayout --minimize-url
      --no-metadata --use-svm-props --use-svnsync-props
      --rewrite-root= --prefix= $remote_opts
      "
    local cmt_opts="
      --edit --rmdir --find-copies-harder --copy-similarity=
      "

    case "$subcommand,$cur" in
    fetch,--*)
      __gitcomp "--revision= --fetch-all $fc_opts"
      ;;
    clone,--*)
      __gitcomp "--revision= $fc_opts $init_opts"
      ;;
    init,--*)
      __gitcomp "$init_opts"
      ;;
    dcommit,--*)
      __gitcomp "
        --merge --strategy= --verbose --dry-run
        --fetch-all --no-rebase --commit-url
        --revision --interactive $cmt_opts $fc_opts
        "
      ;;
    set-tree,--*)
      __gitcomp "--stdin $cmt_opts $fc_opts"
      ;;
    create-ignore,--*|propget,--*|proplist,--*|show-ignore,--*|\
    show-externals,--*|mkdirs,--*)
      __gitcomp "--revision="
      ;;
    log,--*)
      __gitcomp "
        --limit= --revision= --verbose --incremental
        --oneline --show-commit --non-recursive
        --authors-file= --color
        "
      ;;
    rebase,--*)
      __gitcomp "
        --merge --verbose --strategy= --local
        --fetch-all --dry-run $fc_opts
        "
      ;;
    commit-diff,--*)
      __gitcomp "--message= --file= --revision= $cmt_opts"
      ;;
    info,--*)
      __gitcomp "--url"
      ;;
    branch,--*)
      __gitcomp "--dry-run --message --tag"
      ;;
    tag,--*)
      __gitcomp "--dry-run --message"
      ;;
    blame,--*)
      __gitcomp "--git-format"
      ;;
    migrate,--*)
      __gitcomp "
        --config-dir= --ignore-paths= --minimize
        --no-auth-cache --username=
        "
      ;;
    reset,--*)
      __gitcomp "--revision= --parent"
      ;;
    *)
      ;;
    esac
  fi
}

_git_tag ()
{
  local i c=1 f=0
  while [ $c -lt $cword ]; do
    i="${words[c]}"
    case "$i" in
    -d|-v)
      __gitcomp_direct "$(__git_tags "" "$cur" " ")"
      return
      ;;
    -f)
      f=1
      ;;
    esac
    ((c++))
  done

  case "$prev" in
  -m|-F)
    ;;
  -*|tag)
    if [ $f = 1 ]; then
      __gitcomp_direct "$(__git_tags "" "$cur" " ")"
    fi
    ;;
  *)
    __git_complete_refs
    ;;
  esac

  case "$cur" in
  --*)
    __gitcomp "
      --list --delete --verify --annotate --message --file
      --sign --cleanup --local-user --force --column --sort=
      --contains --no-contains --points-at --merged --no-merged --create-reflog
      "
    ;;
  esac
}

_git_whatchanged ()
{
  _git_log
}

_git_worktree ()
{
  local subcommands="add list lock prune unlock"
  local subcommand="$(__git_find_on_cmdline "$subcommands")"
  if [ -z "$subcommand" ]; then
    __gitcomp "$subcommands"
  else
    case "$subcommand,$cur" in
    add,--*)
      __gitcomp "--detach"
      ;;
    list,--*)
      __gitcomp "--porcelain"
      ;;
    lock,--*)
      __gitcomp "--reason"
      ;;
    prune,--*)
      __gitcomp "--dry-run --expire --verbose"
      ;;
    *)
      ;;
    esac
  fi
}

__git_main ()
{
  local i c=1 command __git_dir __git_repo_path
  local __git_C_args C_args_count=0

  while [ $c -lt $cword ]; do
    i="${words[c]}"
    case "$i" in
    --git-dir=*) __git_dir="${i#--git-dir=}" ;;
    --git-dir)   ((c++)) ; __git_dir="${words[c]}" ;;
    --bare)      __git_dir="." ;;
    --help) command="help"; break ;;
    -c|--work-tree|--namespace) ((c++)) ;;
    -C) __git_C_args[C_args_count++]=-C
      ((c++))
      __git_C_args[C_args_count++]="${words[c]}"
      ;;
    -*) ;;
    *) command="$i"; break ;;
    esac
    ((c++))
  done

  if [ -z "$command" ]; then
    case "$prev" in
    --git-dir|-C|--work-tree)
      # these need a path argument, let's fall back to
      # Bash filename completion
      return
      ;;
    -c|--namespace)
      # we don't support completing these options' arguments
      return
      ;;
    esac
    case "$cur" in
    --*)   __gitcomp "
      --paginate
      --no-pager
      --git-dir=
      --bare
      --version
      --exec-path
      --exec-path=
      --html-path
      --man-path
      --info-path
      --work-tree=
      --namespace=
      --no-replace-objects
      --help
      "
      ;;
    *)     __git_compute_porcelain_commands
           __gitcomp "$__git_porcelain_commands $(__git_aliases)" ;;
    esac
    return
  fi

  local completion_func="_git_${command//-/_}"
  declare -f $completion_func >/dev/null 2>/dev/null && $completion_func && return

  local expansion=$(__git_aliased_command "$command")
  if [ -n "$expansion" ]; then
    words[1]=$expansion
    completion_func="_git_${expansion//-/_}"
    declare -f $completion_func >/dev/null 2>/dev/null && $completion_func
  fi
}

__gitk_main ()
{
  __git_has_doubledash && return

  local __git_repo_path
  __git_find_repo_path

  local merge=""
  if [ -f "$__git_repo_path/MERGE_HEAD" ]; then
    merge="--merge"
  fi
  case "$cur" in
  --*)
    __gitcomp "
      $__git_log_common_options
      $__git_log_gitk_options
      $merge
      "
    return
    ;;
  esac
  __git_complete_revlist
}

if [[ -n ${ZSH_VERSION-} ]]; then
  echo "WARNING: this script is deprecated, please see git-completion.zsh" 1>&2

  autoload -U +X compinit && compinit

  __gitcomp ()
  {
    emulate -L zsh

    local cur_="${3-$cur}"

    case "$cur_" in
    --*=)
      ;;
    *)
      local c IFS=$' \t\n'
      local -a array
      for c in ${=1}; do
        c="$c${4-}"
        case $c in
        --*=*|*.) ;;
        *) c="$c " ;;
        esac
        array[${#array[@]}+1]="$c"
      done
      compset -P '*[=:]'
      compadd -Q -S '' -p "${2-}" -a -- array && _ret=0
      ;;
    esac
  }

  __gitcomp_direct ()
  {
    emulate -L zsh

    local IFS=$'\n'
    compset -P '*[=:]'
    compadd -Q -- ${=1} && _ret=0
  }

  __gitcomp_nl ()
  {
    emulate -L zsh

    local IFS=$'\n'
    compset -P '*[=:]'
    compadd -Q -S "${4- }" -p "${2-}" -- ${=1} && _ret=0
  }

  __gitcomp_file ()
  {
    emulate -L zsh

    local IFS=$'\n'
    compset -P '*[=:]'
    compadd -Q -p "${2-}" -f -- ${=1} && _ret=0
  }

  _git ()
  {
    local _ret=1 cur cword prev
    cur=${words[CURRENT]}
    prev=${words[CURRENT-1]}
    let cword=CURRENT-1
    emulate ksh -c __${service}_main
    let _ret && _default && _ret=0
    return _ret
  }

  compdef _git git gitk
  return
fi

__git_func_wrap ()
{
  local cur words cword prev
  _get_comp_words_by_ref -n =: cur words cword prev
  $1
}

# Setup completion for certain functions defined above by setting common
# variables and workarounds.
# This is NOT a public function; use at your own risk.
__git_complete ()
{
  local wrapper="__git_wrap${2}"
  eval "$wrapper () { __git_func_wrap $2 ; }"
  complete -o bashdefault -o default -o nospace -F $wrapper $1 2>/dev/null \
    || complete -o default -o nospace -F $wrapper $1
}

# wrapper for backwards compatibility
_git ()
{
  __git_wrap__git_main
}

# wrapper for backwards compatibility
_gitk ()
{
  __git_wrap__gitk_main
}

__git_complete git __git_main
__git_complete gitk __gitk_main

# The following are necessary only for Cygwin, and only are needed
# when the user has tab-completed the executable name and consequently
# included the '.exe' suffix.
#
if [ Cygwin = "$(uname -o 2>/dev/null)" ]; then
__git_complete git.exe __git_main
fi