Module: AiCli::Helpers::ShellHistory

Defined in:
lib/aicli/helpers/shell_history.rb

Constant Summary collapse

SOURCE_MARKER = 
'# aicli shell history integration'

Class Method Summary collapse

Class Method Details

.activate_shell_integration! ⇒ Object 



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# File 'lib/aicli/helpers/shell_history.rb', line 34

def activate_shell_integration!
  install_shell_integration!
  rc_path = shell_rc_path
  source_path = wrapper_source_path

  if rc_path && File.exist?(rc_path)
    append_source_to_rc!(rc_path, source_path)
    { rc_path: rc_path, source_path: source_path, activated: true }
  else
    { rc_path: nil, source_path: source_path, activated: false }
  end
end

.append_source_to_rc!(rc_path, source_path) ⇒ Object 



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# File 'lib/aicli/helpers/shell_history.rb', line 47

def append_source_to_rc!(rc_path, source_path)
  content = File.read(rc_path)
  return if content.include?(SOURCE_MARKER) || content.include?(source_path)

  block = <<~RC

    #{SOURCE_MARKER}
    [[ -f #{source_path} ]] && source #{source_path}
  RC
  File.write(rc_path, content.rstrip + block)
end

.bash_wrapper ⇒ Object 



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# File 'lib/aicli/helpers/shell_history.rb', line 154

def bash_wrapper
  <<~'BASH'
    # aicli shell history integration for bash
    if [[ -z "$AICLI_BASH_INTEGRATION" ]]; then
      AICLI_BASH_INTEGRATION=1

      _aicli_bash_history() {
        if [[ -n "$AICLI_PENDING_HISTORY" ]]; then
          local cmd="$AICLI_PENDING_HISTORY"
          unset AICLI_PENDING_HISTORY
          history -d "$HISTCMD" 2>/dev/null
          history -s "$cmd"
        fi
      }

      ai() {
        AICLI_SHELL_WRAPPER=1 command ai "$@"
        local ret=$?
        if [[ -f "$HOME/.aicli/history.pending" ]]; then
          AICLI_PENDING_HISTORY=$(<"$HOME/.aicli/history.pending")
          rm -f "$HOME/.aicli/history.pending"
        fi
        return $ret
      }

      PROMPT_COMMAND="_aicli_bash_history${PROMPT_COMMAND:+; $PROMPT_COMMAND}"
    fi
  BASH
end

.current_shell ⇒ Object 



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# File 'lib/aicli/helpers/shell_history.rb', line 108

def current_shell
  File.basename(ENV['SHELL'] || 'bash')
end

.install_shell_integration! ⇒ Object 



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# File 'lib/aicli/helpers/shell_history.rb', line 22

def install_shell_integration!
  Config.ensure_home!
  target_dir = Config.home_dir

  {
    'ai.zsh' => zsh_wrapper,
    'ai.bash' => bash_wrapper
  }.each do |name, contents|
    File.write(File.join(target_dir, name), contents)
  end
end

.pending_path ⇒ Object 



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# File 'lib/aicli/helpers/shell_history.rb', line 104

def pending_path
  File.join(Config.home_dir, 'history.pending')
end

.record_executed(command) ⇒ Object

Queue the executed command for the shell wrapper to store in history instead of the original ai ... invocation.



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# File 'lib/aicli/helpers/shell_history.rb', line 12

def record_executed(command)
  text = command.to_s.strip
  return if text.empty?

  Config.ensure_home!
  File.write(pending_path, text)
rescue StandardError
  nil
end

.shell_integration_hint(activated: false, rc_path: nil, source_path: nil) ⇒ Object 



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# File 'lib/aicli/helpers/shell_history.rb', line 74

def shell_integration_hint(activated: false, rc_path: nil, source_path: nil)
  source_path ||= wrapper_source_path
  if activated && rc_path
    <<~HINT.strip
      Added to #{rc_path}. Reload your shell:

        source #{rc_path}

      Or open a new terminal tab.
    HINT
  else
    case current_shell
    when 'zsh'
      <<~HINT.strip
        Add to ~/.zshrc for shell history integration:

          source #{source_path}
      HINT
    when 'bash'
      <<~HINT.strip
        Add to ~/.bashrc for shell history integration:

          source #{source_path}
      HINT
    else
      ''
    end
  end
end

.shell_rc_path ⇒ Object 



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# File 'lib/aicli/helpers/shell_history.rb', line 59

def shell_rc_path
  home = Dir.home
  case current_shell
  when 'zsh'
    File.join(home, '.zshrc')
  when 'bash'
    File.join(home, '.bashrc')
  end
end

.wrapper_source_path ⇒ Object 



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# File 'lib/aicli/helpers/shell_history.rb', line 69

def wrapper_source_path
  name = current_shell == 'bash' ? 'ai.bash' : 'ai.zsh'
  File.join(Config.home_dir, name)
end

.zsh_wrapper ⇒ Object 



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# File 'lib/aicli/helpers/shell_history.rb', line 112

def zsh_wrapper
  <<~'ZSH'
    # aicli shell history integration for zsh
    if [[ -z "$AICLI_ZSH_INTEGRATION" ]]; then
      AICLI_ZSH_INTEGRATION=1

      _aicli_zshaddhistory() {
        if [[ -n "$AICLI_PENDING_HISTORY" ]]; then
          print -s -- "$AICLI_PENDING_HISTORY"
          unset AICLI_PENDING_HISTORY
          return 1
        fi
      }

      _aicli_precmd() {
        if [[ -n "$AICLI_PENDING_HISTORY" ]]; then
          local cmd="$AICLI_PENDING_HISTORY"
          unset AICLI_PENDING_HISTORY
          local last="${${(z)${(f)"$(fc -l -1 2>/dev/null)"}}[2]}"
          if [[ "$last" == ai\ * || "$last" == aicli\ * ]]; then
            fc -d -1 -I 2>/dev/null
          fi
          print -s -- "$cmd"
        fi
      }

      ai() {
        AICLI_SHELL_WRAPPER=1 command ai "$@"
        local ret=$?
        if [[ -f "$HOME/.aicli/history.pending" ]]; then
          typeset -g AICLI_PENDING_HISTORY="${$(<"$HOME/.aicli/history.pending")}"
          rm -f "$HOME/.aicli/history.pending"
        fi
        return $ret
      }

      zshaddhistory_functions+=(_aicli_zshaddhistory)
      precmd_functions+=(_aicli_precmd)
    fi
  ZSH
end