zsh_completion_doit

#compdef doit

_doit() {
    local -a commands tasks
    # format is 'completion:description'
    commands=(
        'auto: automatically execute tasks when a dependency changes'
        'clean: clean action / remove targets'
        'dumpdb: dump dependency DB'
        'forget: clear successful run status from internal DB'
        'help: show help'
        'ignore: ignore task (skip) on subsequent runs'
        'info: show info about a task'
        'list: list tasks from dodo file'
        'reset-dep: recompute and save the state of file dependencies without executing actions'
        'run: run tasks'
        'strace: use strace to list file_deps and targets'
        'tabcompletion: generate script for tab-completion'
    )

    # split output by lines to create an array
    tasks=("${(f)$(doit list --template '{name}: {doc}')}")

    # complete command or task name
    if (( CURRENT == 2 )); then
        _arguments -A : '::cmd:(($commands))' '::task:(($tasks))'
        return
    fi

    # revome program name from $words and decrement CURRENT
    local curcontext context state state_desc line
    _arguments -C '*:: :->'

    # complete sub-command or task options
    local -a _command_args
    case "$words[1]" in
        
      (auto)
          _command_args=(
            '--db-file[file used to save successful runs [default: %(default)s\]]' \
            '--backend[Select dependency file backend. [default: %(default)s\]]' \
            '--check_file_uptodate[Choose how to check if files have been modified. Available options [default: %(default)s\]:   'md5': use the md5sum   'timestamp': use the timestamp ]' \
            '(-f|--file)'{-f,--file}'[load task from dodo FILE [default: %(default)s\]]' \
            '(-d|--dir)'{-d,--dir}'[set path to be used as cwd directory (file paths on dodo file are relative to dodo.py location).]' \
            '(-k|--seek-file)'{-k,--seek-file}'[seek dodo file on parent folders [default: %(default)s\]]' \
            '(-v|--verbosity)'{-v,--verbosity}'[0 capture (do not print) stdout/stderr from task. 1 capture stdout only. 2 do not capture anything (print everything immediately). [default: 1\]]' \
            
            '*::task:(($tasks))'
            ''
        )
      ;;


      (clean)
          _command_args=(
            '--db-file[file used to save successful runs [default: %(default)s\]]' \
            '--backend[Select dependency file backend. [default: %(default)s\]]' \
            '--check_file_uptodate[Choose how to check if files have been modified. Available options [default: %(default)s\]:   'md5': use the md5sum   'timestamp': use the timestamp ]' \
            '(-f|--file)'{-f,--file}'[load task from dodo FILE [default: %(default)s\]]' \
            '(-d|--dir)'{-d,--dir}'[set path to be used as cwd directory (file paths on dodo file are relative to dodo.py location).]' \
            '(-k|--seek-file)'{-k,--seek-file}'[seek dodo file on parent folders [default: %(default)s\]]' \
            '(-c|--clean-dep)'{-c,--clean-dep}'[clean task dependencies too]' \
            '(-a|--clean-all)'{-a,--clean-all}'[clean all task]' \
            '(-n|--dry-run)'{-n,--dry-run}'[print actions without really executing them]' \
            '*::task:(($tasks))'
            ''
        )
      ;;


      (dumpdb)
          _command_args=(
            '--db-file[file used to save successful runs [default: %(default)s\]]' \
            ''
        )
      ;;


      (forget)
          _command_args=(
            '--db-file[file used to save successful runs [default: %(default)s\]]' \
            '--backend[Select dependency file backend. [default: %(default)s\]]' \
            '--check_file_uptodate[Choose how to check if files have been modified. Available options [default: %(default)s\]:   'md5': use the md5sum   'timestamp': use the timestamp ]' \
            '(-f|--file)'{-f,--file}'[load task from dodo FILE [default: %(default)s\]]' \
            '(-d|--dir)'{-d,--dir}'[set path to be used as cwd directory (file paths on dodo file are relative to dodo.py location).]' \
            '(-k|--seek-file)'{-k,--seek-file}'[seek dodo file on parent folders [default: %(default)s\]]' \
            '(-s|--follow-sub)'{-s,--follow-sub}'[forget task dependencies too]' \
            '*::task:(($tasks))'
            ''
        )
      ;;


      (help)
          _command_args=(
            '--db-file[file used to save successful runs [default: %(default)s\]]' \
            '--backend[Select dependency file backend. [default: %(default)s\]]' \
            '--check_file_uptodate[Choose how to check if files have been modified. Available options [default: %(default)s\]:   'md5': use the md5sum   'timestamp': use the timestamp ]' \
            '(-f|--file)'{-f,--file}'[load task from dodo FILE [default: %(default)s\]]' \
            '(-d|--dir)'{-d,--dir}'[set path to be used as cwd directory (file paths on dodo file are relative to dodo.py location).]' \
            '(-k|--seek-file)'{-k,--seek-file}'[seek dodo file on parent folders [default: %(default)s\]]' \
            '*::task:(($tasks))'
            '::cmd:(($commands))'
            ''
        )
      ;;


      (ignore)
          _command_args=(
            '--db-file[file used to save successful runs [default: %(default)s\]]' \
            '--backend[Select dependency file backend. [default: %(default)s\]]' \
            '--check_file_uptodate[Choose how to check if files have been modified. Available options [default: %(default)s\]:   'md5': use the md5sum   'timestamp': use the timestamp ]' \
            '(-f|--file)'{-f,--file}'[load task from dodo FILE [default: %(default)s\]]' \
            '(-d|--dir)'{-d,--dir}'[set path to be used as cwd directory (file paths on dodo file are relative to dodo.py location).]' \
            '(-k|--seek-file)'{-k,--seek-file}'[seek dodo file on parent folders [default: %(default)s\]]' \
            '*::task:(($tasks))'
            ''
        )
      ;;


      (info)
          _command_args=(
            '--db-file[file used to save successful runs [default: %(default)s\]]' \
            '--backend[Select dependency file backend. [default: %(default)s\]]' \
            '--check_file_uptodate[Choose how to check if files have been modified. Available options [default: %(default)s\]:   'md5': use the md5sum   'timestamp': use the timestamp ]' \
            '(-f|--file)'{-f,--file}'[load task from dodo FILE [default: %(default)s\]]' \
            '(-d|--dir)'{-d,--dir}'[set path to be used as cwd directory (file paths on dodo file are relative to dodo.py location).]' \
            '(-k|--seek-file)'{-k,--seek-file}'[seek dodo file on parent folders [default: %(default)s\]]' \
            '*::task:(($tasks))'
            ''
        )
      ;;


      (list)
          _command_args=(
            '--db-file[file used to save successful runs [default: %(default)s\]]' \
            '--backend[Select dependency file backend. [default: %(default)s\]]' \
            '--check_file_uptodate[Choose how to check if files have been modified. Available options [default: %(default)s\]:   'md5': use the md5sum   'timestamp': use the timestamp ]' \
            '(-f|--file)'{-f,--file}'[load task from dodo FILE [default: %(default)s\]]' \
            '(-d|--dir)'{-d,--dir}'[set path to be used as cwd directory (file paths on dodo file are relative to dodo.py location).]' \
            '(-k|--seek-file)'{-k,--seek-file}'[seek dodo file on parent folders [default: %(default)s\]]' \
            '--all[list include all sub-tasks from dodo file]' \
            '(-q|--quiet)'{-q,--quiet}'[print just task name (less verbose than default)]' \
            '(-s|--status)'{-s,--status}'[print task status (R)un, (U)p-to-date, (I)gnored]' \
            '(-p|--private)'{-p,--private}'[print private tasks (start with '_')]' \
            '--deps[print list of dependencies (file dependencies only)]' \
            '--template[display entries with template]' \
            '*::task:(($tasks))'
            ''
        )
      ;;


      (reset-dep)
          _command_args=(
            '--db-file[file used to save successful runs [default: %(default)s\]]' \
            '--backend[Select dependency file backend. [default: %(default)s\]]' \
            '--check_file_uptodate[Choose how to check if files have been modified. Available options [default: %(default)s\]:   'md5': use the md5sum   'timestamp': use the timestamp ]' \
            '(-f|--file)'{-f,--file}'[load task from dodo FILE [default: %(default)s\]]' \
            '(-d|--dir)'{-d,--dir}'[set path to be used as cwd directory (file paths on dodo file are relative to dodo.py location).]' \
            '(-k|--seek-file)'{-k,--seek-file}'[seek dodo file on parent folders [default: %(default)s\]]' \
            '*::task:(($tasks))'
            ''
        )
      ;;


      (run)
          _command_args=(
            '--db-file[file used to save successful runs [default: %(default)s\]]' \
            '--backend[Select dependency file backend. [default: %(default)s\]]' \
            '--check_file_uptodate[Choose how to check if files have been modified. Available options [default: %(default)s\]:   'md5': use the md5sum   'timestamp': use the timestamp ]' \
            '(-f|--file)'{-f,--file}'[load task from dodo FILE [default: %(default)s\]]' \
            '(-d|--dir)'{-d,--dir}'[set path to be used as cwd directory (file paths on dodo file are relative to dodo.py location).]' \
            '(-k|--seek-file)'{-k,--seek-file}'[seek dodo file on parent folders [default: %(default)s\]]' \
            '(-a|--always-execute)'{-a,--always-execute}'[always execute tasks even if up-to-date [default: %(default)s\]]' \
            '(-c|--continue)'{-c,--continue}'[continue executing tasks even after a failure [default: %(default)s\]]' \
            '(-v|--verbosity)'{-v,--verbosity}'[0 capture (do not print) stdout/stderr from task. 1 capture stdout only. 2 do not capture anything (print everything immediately). [default: 1\]]' \
            '(-r|--reporter)'{-r,--reporter}'[Choose output reporter. [default: %(default)s\]]' \
            '(-o|--output-file)'{-o,--output-file}'[write output into file [default: stdout\]]' \
            '(-n|--process)'{-n,--process}'[number of subprocesses [default: %(default)s\]]' \
            '(-P|--parallel-type)'{-P,--parallel-type}'[Tasks can be executed in parallel in different ways: 'process': uses python multiprocessing module 'thread': uses threads [default: %(default)s\] ]' \
            '--pdb[get into PDB (python debugger) post-mortem in case of unhandled exception]' \
            '(-s|--single)'{-s,--single}'[Execute only specified tasks ignoring their task_dep [default: %(default)s\]]' \
            '*::task:(($tasks))'
            ''
        )
      ;;


      (strace)
          _command_args=(
            '--db-file[file used to save successful runs [default: %(default)s\]]' \
            '--backend[Select dependency file backend. [default: %(default)s\]]' \
            '--check_file_uptodate[Choose how to check if files have been modified. Available options [default: %(default)s\]:   'md5': use the md5sum   'timestamp': use the timestamp ]' \
            '(-f|--file)'{-f,--file}'[load task from dodo FILE [default: %(default)s\]]' \
            '(-d|--dir)'{-d,--dir}'[set path to be used as cwd directory (file paths on dodo file are relative to dodo.py location).]' \
            '(-k|--seek-file)'{-k,--seek-file}'[seek dodo file on parent folders [default: %(default)s\]]' \
            '(-a|--all)'{-a,--all}'[display all files (not only from within CWD path)]' \
            '--keep[save strace command output into strace.txt]' \
            '*::task:(($tasks))'
            ''
        )
      ;;


      (tabcompletion)
          _command_args=(
            '--db-file[file used to save successful runs [default: %(default)s\]]' \
            '--backend[Select dependency file backend. [default: %(default)s\]]' \
            '--check_file_uptodate[Choose how to check if files have been modified. Available options [default: %(default)s\]:   'md5': use the md5sum   'timestamp': use the timestamp ]' \
            '(-f|--file)'{-f,--file}'[load task from dodo FILE [default: %(default)s\]]' \
            '(-d|--dir)'{-d,--dir}'[set path to be used as cwd directory (file paths on dodo file are relative to dodo.py location).]' \
            '(-k|--seek-file)'{-k,--seek-file}'[seek dodo file on parent folders [default: %(default)s\]]' \
            '(-s|--shell)'{-s,--shell}'[Completion code for SHELL. [default: %(default)s\]]' \
            '--hardcode-tasks[Hardcode tasks from current task list.]' \
            ''
        )
      ;;


        # default completes task names
        (*)
           _command_args='*::task:(($tasks))'
        ;;
    esac

    # -A no options will be completed after the first non-option argument
    _arguments -A : $_command_args
    return 0
}

_doit