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bash: set the title command in preexec (#4775)

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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:
Mitchell Hashimoto
2025-01-07 20:34:56 -08:00
committed by GitHub
parent 4eaf346090 bf3597a519
commit e00e991080
1 changed files with 10 additions and 12 deletions
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22
src/shell-integration/bash/ghostty.bash
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@ -118,15 +118,6 @@ builtin source "$GHOSTTY_RESOURCES_DIR/shell-integration/bash/bash-preexec.sh"
_ghostty_executing="" _ghostty_executing=""
_ghostty_last_reported_cwd="" _ghostty_last_reported_cwd=""
function __ghostty_get_current_command() {
builtin local last_cmd
# shellcheck disable=SC1007
last_cmd=$(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() { function __ghostty_precmd() {
local ret="$?" local ret="$?"
if test "$_ghostty_executing" != "0"; then if test "$_ghostty_executing" != "0"; then
@ -151,10 +142,8 @@ function __ghostty_precmd() {
PS0=$PS0'\[\e[0 q\]' PS0=$PS0'\[\e[0 q\]'
fi fi
# Title (working directory)
if [[ "$GHOSTTY_SHELL_INTEGRATION_NO_TITLE" != 1 ]]; then if [[ "$GHOSTTY_SHELL_INTEGRATION_NO_TITLE" != 1 ]]; then
# Command and working directory
# shellcheck disable=SC2016
PS0=$PS0'$(__ghostty_get_current_command)'
PS1=$PS1'\[\e]2;\w\a\]' PS1=$PS1'\[\e]2;\w\a\]'
fi fi
fi fi
@ -178,9 +167,18 @@ function __ghostty_precmd() {
} }
function __ghostty_preexec() { function __ghostty_preexec() {
builtin local cmd="$1"
PS0="$_GHOSTTY_SAVE_PS0" PS0="$_GHOSTTY_SAVE_PS0"
PS1="$_GHOSTTY_SAVE_PS1" PS1="$_GHOSTTY_SAVE_PS1"
PS2="$_GHOSTTY_SAVE_PS2" 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" builtin printf "\e]133;C;\a"
_ghostty_executing=1 _ghostty_executing=1
} }