Describe the bug

• In bash, in order to not save the history for the current session you use history -c. To do the same in zsh you use history -p instead.

• Using ohmyzsh, history -c clears the history file completely instead of just not saving the history for the current session.

• The history file path is stored in the HISTFILE environment variable. By default, it's the $HOME/.zsh_history file.

• When using oh-my-zsh, history is aliased to the omz_history function. which is defined as follows:
  

  ohmyzsh/lib/history.zsh

  Lines 2 to 18 in bf713e2

  	function omz_history {
  	local clear list
  	zparseopts -E c=clear l=list
  	if [[ -n "$clear" ]]; then
  	# if -c provided, clobber the history file
  	echo -n >| "$HISTFILE"
  	fc -p "$HISTFILE"
  	echo >&2 History file deleted.
  	elif [[ -n "$list" ]]; then
  	# if -l provided, run as if calling `fc' directly
  	builtin fc "$@"
  	else
  	# unless a number is provided, show all history events (starting from 1)
  	[[ ${@[-1]-} = *[0-9]* ]] && builtin fc -l "$@" || builtin fc -l "$@" 1
  	fi
  	}

• When attempting to clear the history completely, you run history -c or its equivalent omz_history -c. This clears the history file completely as intended.

• When attempting to not save history for the current session but not tampering with the history file, you would run history -p.

• However, when attempting to run history -p with ohmyzsh this results in running builtin fc -l "$@" 1. Here "$@" is set to -p which results in builtin fc -l -p 1. This indeed does not save the current session history to the original history file. However:

• What this causes is that the HISTFILE environment variable is overwritten with the value 1. A file named 1 is automatically created in the current working directory and the session history is stored in it. Any attempt to remove the file within the session will result in it being recreated whenever any interactive command is executed until the session is exited.

• When the session is exited, the file still exists.

References:

• https://zsh.sourceforge.io/Doc/Release/Shell-Builtin-Commands.html (zsh builtins)

Steps to reproduce

1. Start a new session
2. Navigate to a directory with no files called 1.
3. echo $HISTFILE should result in $HOME/.zsh_history by default.
4. run history -p
5. echo $HISTFILE results in 1.
6. ls you find a file called 1.

Expected behavior

1. history -p unsets the HISTFILE environment variable.
2. No file is created.
3. Current session history is not preserved beyond the session.

Screenshots and recordings

OS / Linux distribution

macOS Sonoma 14.4.1

Zsh version

5.9

Oh My Zsh version

master (bf713e2)

Terminal emulator

iTerm2

If using WSL on Windows, which version of WSL

None

Additional context

No response