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bash: set the title command in preexec

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PS0 is evaluated after a command is read but before it is executed. The
'preexec' hook (from bash-preexec) is equivalent for our title-updating
purposes and conveniently provides the current command as an argument
(from its own `history 1` call).
This commit is contained in:
Jon Parise
2025-01-07 08:45:43 -05:00
parent a3837a1e4e
commit bf3597a519
1 changed files with 10 additions and 12 deletions
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22
src/shell-integration/bash/ghostty.bash
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@ -105,15 +105,6 @@ builtin source "$GHOSTTY_RESOURCES_DIR/shell-integration/bash/bash-preexec.sh"
_ghostty_executing=""
_ghostty_last_reported_cwd=""
function __ghostty_get_current_command() {
builtin local last_cmd
# shellcheck disable=SC1007
last_cmd=$(HISTTIMEFORMAT= builtin history 1)
last_cmd="${last_cmd#*[[:digit:]]*[[:space:]]}" # remove leading history number
last_cmd="${last_cmd#"${last_cmd%%[![:space:]]*}"}" # remove remaining leading whitespace
builtin printf "\e]2;%s\a" "${last_cmd//[[:cntrl:]]}" # remove any control characters
}
function __ghostty_precmd() {
local ret="$?"
if test "$_ghostty_executing" != "0"; then
@ -138,10 +129,8 @@ function __ghostty_precmd() {
PS0=$PS0'\[\e[0 q\]'
fi
# Title (working directory)
if [[ "$GHOSTTY_SHELL_INTEGRATION_NO_TITLE" != 1 ]]; then
# Command and working directory
# shellcheck disable=SC2016
PS0=$PS0'$(__ghostty_get_current_command)'
PS1=$PS1'\[\e]2;\w\a\]'
fi
fi
@ -165,9 +154,18 @@ function __ghostty_precmd() {
}
function __ghostty_preexec() {
builtin local cmd="$1"
PS0="$_GHOSTTY_SAVE_PS0"
PS1="$_GHOSTTY_SAVE_PS1"
PS2="$_GHOSTTY_SAVE_PS2"
# Title (current command)
if [[ -n $cmd && "$GHOSTTY_SHELL_INTEGRATION_NO_TITLE" != 1 ]]; then
builtin printf "\e]2;%s\a" "${cmd//[[:cntrl:]]}"
fi
# End of input, start of output.
builtin printf "\e]133;C;\a"
_ghostty_executing=1
}