#compdef repo
  
  
  __git_apply_whitespace_strategies ()
  {
    declare -a strategies
  
    strategies=(
      'nowarn:turn off the trailing-whitespace warning'
      'warn:output trailing-whitespace warning, but apply patch'
      'fix:output trailing-whitespace warning and strip trailing whitespace'
      'error:output trailing-whitespace warning and refuse to apply patch'
      'error-all:same as "error", but output warnings for all files')
  
    _describe -t strategies 'trailing-whitespace resolution strategy' strategies $*
  }
  
  
  _repo()
  {
    local context state state_descr line curcontext="$curcontext"
    typeset -A opt_args
  
    local ret=1
  
    _arguments -C \
      '(- 1 *)--help[show usage]'\
      '1:command:->command'\
      '*::args:->args' && ret=0
  
    case $state in
      (command)
        repo list  2> /dev/null > /dev/null
        if [[ $? == 0 ]]; then
          local commands;
          commands=(
            'abandon:Permanently abandon a development branch'
            'branch:View current topic branches'
            'branches:View current topic branches'
            'checkout:Checkout a branch for development'
            'cherry-pick:Cherry-pick a change.'
            'diff:Show changes between commit and working tree'
            'download:Download and checkout a change'
            'forall:execute command on several project'
            'grep:Print lines matching a pattern'
            'help:Display detailed help on a command'
            'init:Initialize repo in the current directory'
            'list:List projects and their associated directories'
            'manifest:Manifest inspection utility'
            'overview:Display overview of unmerged project branches'
            'prune:Prune (delete) already merged topics'
            'rebase:Rebase local branches on upstream branch'
            'selfupdate:Update repo to the latest version'
            'smartsync:Update working tree to the latest known good revision'
            'stage:Stage file(s) for commit'
            'start:Start a new branch for development'
            'status:Show the working tree status'
            'sync:Update working tree to the latest revision'
            'upload:Upload changes for code review'
            'version:Display the version of repo'
          )
          _describe -t commands 'command' commands && ret=0
        else
          local commands;
          commands=(
            'init:Install repo in the current working directory'
            'help:Display detailed help on a command'
          )
          _describe -t commands 'command' commands && ret=0
        fi
        ;;
      (args)
        case $words[1] in
          (branch | branches)
            # TODO : list available projects and add them in list to feed compadd with
            _arguments  : \
                       "(-h --help)"{-h,--help}"[Show help]" \
                       ': :__repo_projects' \
                        && ret=0
           ;;
          (abandon)
            # TODO : list available projects and add them in list to feed compadd with
            _arguments  : \
                       "(-h --help)"{-h,--help}"[Show help]" \
                       ':branch name:__repo_branch' \
                       ': :__repo_projects'\
                        && ret=0
            ;;
          (checkout)
            # TODO : list available projects and add them in list to feed compadd with
            _arguments  : \
                       "(-h --help)"{-h,--help}"[Show help]" \
                       ':branch name:__repo_branch' \
                       ': :__repo_projects'\
                       && ret=0
            ;;
          (init)
            _arguments : \
                       "(-h --help)"{-h,--help}"[Show help]" \
                       "(-q --quiet)"{-q,--quiet}"[be quiet]" \
                       "(-u --manifest-url)"{-u,--manifest-url=}"[manifest repository location]":url:__repo_url_prompt \
                       "(-b --manifest-branch)"{-b,--manifest-branch=}"[manifest branch or revision]":branch:__repo_branch\
                       "(-m --manifest-name)"{-m,--manifest-name=}"[initial manifest file]":manifest_name:__repo_manifest_name\
                       "(--mirror)--mirror[mirror the forrest]"\
                       "(--reference)--reference=[location of mirror directory]":dir:_dirs\
                       "(--depth)--depth=[create a shallow clone with given depth; see git clone]":depth:__repo_depth_prompt\
                       "(-g --group=)"{-g,--group=}"[restrict manifest projects to ones with a specified group]":group:_group\
                       "(-p --platform=)"{-p,--platform=}"[restrict manifest projects to ones with a specified platform group(auto|all|none|linux|darwin|...)]":platform:"(auto all none linux darwin)"\
                       "(--repo-url)--repo-url=[repo repository location]":url:__repo_url_prompt\
                       "(--repo-branch)--repo-branch[repo branch or revision]":branch_or_rev:__repo__repo_branch_or_rev\
                       "(--no-repo-verify)--no-repo-verify[do not verify repo source code]"\
                       "(--config-name)--config-name[Always prompt for name/e-mail]"\
                       && ret=0
            ;;
          (start)
            _arguments : \
                       "(-h --help)"{-h,--help}"[Show help]" \
                       "(--all)--all=[begin branch in all projects]"\
                      ':branch name:__repo_new__repo_branch_name' \
                      ':projects:__repo_projects_or_all' \
                      && ret=0
            ;;
          (rebase)
            _arguments : \
                       "(-h --help)"{-h,--help}"[Show help]" \
                       "(-i --interactive)"{-i,--interactive}"[interactive rebase (single project only)]: :__repo_projects" \
                       "(-f --force-rebase)"{-f,--force-rebase}"[Pass --force-rebase to git rebase]" \
                       "(--no-ff)--no-ff=[Pass --no-ff to git rebase]"\
                       "(-q --quiet)"{-q,--quiet}"[Pass --quiet to git rebase]" \
                       "(--autosquash)--no-ff[Pass --autosquash to git rebase]"\
                       "(--whitespace=)--whitespace=[Pass --whitespace to git rebase]: :__git_apply_whitespace_strategies"\
                       "(--auto-stash)--auto-stash[Stash local modifications before starting]"\
                       && ret=0
            ;;
          (checkout)
            _arguments : \
                       "(-h --help)"{-h,--help}"[Show help]" \
                      ':branch name:__git_branch_names' \
                      ':projects:__repo_projects' \
                      && ret=0
            ;;
          (list)
            _arguments : \
                       "(-h --help)"{-h,--help}"[Show help]" \
                      && ret=0
            ;;
          (status)
            _arguments : \
                       "(-h --help)"{-h,--help}"[Show help]" \
                       "(-j --jobs)"{-j,--jobs}"[number of projects to check simultaneously]" \
                      ':projects:__repo_projects' \
                      && ret=0
            ;;
          (sync)
            _arguments : \
                       "(-h --help)"{-h,--help}"[Show help]" \
                       "(--no-force-broken)--no-force-broken[stop sync if a project fails to sync (probably because of permissions)]" \
                       "(-l --local-only)"{-l,--local-only}"[only update working tree, don't fetch]" \
                       "(-n --network-only)"{-n,--network-branch}"[fetch only, don't update working tree]" \
                       "(-d --detach)"{-d,--detach}"[detach projects back to manifest revision]" \
                       "(-c --current-branch)"{-c,--current-branch}"[fetch only current branch from server]" \
                       "(-q --quiet)"{-q,--quiet}"[be more quiet]" \
                       "(-j --jobs=)"{-j,--jobs=}"[projects to fetch simultaneously (default 1) (limited to 5)]:projects to fetch simultaneously (default 1) (limited to 5)" \
                       "(-m --manifest-name=)"{-m,--manifest-name=}"[temporary manifest to use for this sync]:manifest xml file:_files -g *.xml" \
                       "(--no-clone-bundle)--no-clone-bundle[disable use of /clone.bundle on HTTP/HTTPS]" \
                       "(-s --smart-sync)"{-s,--smart-sync=}"[smart sync using manifest from a known tag]:tag:" \
                       '(--no-repo-verify)--no-repo-verify[do not verify repo source code]' \
                       ': :__repo_projects' \
                       && ret=0
            ;;
          (upload)
            _arguments : \
                       "(-h --help)"{-h,--help}"[Show help]" \
                       "(-t)-t[Send local branch name to Gerrit Code Review]" \
                       "(--re= --reviewers=)"{--re=,--reviewers=}"[Request reviews from these people]:Request reviews from these people:" \
                       "(--cc=)--cc=[Also send email to these email addresses.]:email addresses:_email_addresses" \
                       "(--br=)--br=[Branch to upload.]:branch:__repo_branch" \
                       "(--cbr --current-branch)"{--cbr,--current-branch}"[Upload current git branch]" \
                       "(-d --draft)"{-d,--draft}"[If specified, upload as a draft.]" \
                       "(--verify --no-verify)--no-verify[Do not run the upload hook.]" \
                       '(--verify --no-verify)--verify[Run the upload hook without prompting]' \
                       ': :__repo_projects' \
                       && ret=0
            ;;
          (forall)
            _arguments : \
                       "(-h --help)"{-h,--help}"[Show help]" \
                       "(-v --verbose)"{-v,--verbose}"[Show command error messages]" \
                       '(-p)-p[Show project headers before output]' \
                       ': :__repo_projects_mandatory' \
                       "(-c --command -h --help -v --verbose -p)"{-c,--command}"[Command (and arguments) to execute]" \
                       && ret=0
            ;;
          *)
            ret=0
        esac
        ;;
    esac
  
    return $ret
  }
  
  __repo_reviewers()
  {
   # _message -e url 'reviewers'
  }
  
  __repo_url_prompt()
  {
    _message -e url 'url'
  }
  
  __repo_manifest_name()
  {
    _message -e manifest_name 'manifest name'
  }
  
  _group()
  {
    _message -e group 'group'
  }
  
  __repo_branch()
  {
    #_message -e branch 'Repo branch'
    branches=($(repo branches| cut -c4- | grep '|' | cut -d' ' -f1))
    _describe -t branches 'Select repo branch' branches
  }
  
  __repo__repo_branch_or_rev()
  {
    _message -e branch_or_rev 'repo branch or revision'
  }
  
  __repo_depth_prompt()
  {
    _message -e depth 'depth'
  }
  
  __repo_projects()
  {
    _message -e depth 'Optional option : <projects>...'
    projects=($(repo list | cut -d' ' -f1))
    _describe -t projects 'Select projects (keep empty for selecting all projects)' projects
  }
  
  __repo_projects_mandatory()
  {
    projects=($(repo list | cut -d' ' -f1))
    #_describe -t projects 'Select projects to apply commands' projects
    _values -s ' ' "Select projects to apply commands" $projects
  }
  
  __repo_new__repo_branch_name()
  {
    branches=($(repo branches| cut -c4- | grep '|' | cut -d' ' -f1))
    _describe "" branches
    _message -e "branch name" 'Enter new branch name or select an existing repo branch'
  }
  
  __repo_projects_or_all()
  {
    #_message -e depth '[--all | <project>...]'
  
    projects=(--all $(repo list | cut -d' ' -f1))
    _describe -t projects 'Select projects or --all' projects
    _describe -t --all 'All projects'
  }
  
  _repo "$@"
  return $?