177 lines
6.6 KiB
Bash
177 lines
6.6 KiB
Bash
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# This is originally based on the recommended bash integration from
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# the semantic prompts proposal as well as some logic from Kitty's
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# bash integration.
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#
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# I'm not a bash expert so this probably has some major issues but for
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# my simple bash usage this is working. If a bash expert wants to
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# improve this please do!
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# We need to be in interactive mode and we need to have the Ghostty
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# resources dir set which also tells us we're running in Ghostty.
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if [[ "$-" != *i* ]] ; then builtin return; fi
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if [ -z "$GHOSTTY_RESOURCES_DIR" ]; then builtin return; fi
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# When automatic shell integration is active, we need to manually
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# load the normal bash startup files based on the injected state.
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if [ -n "$GHOSTTY_BASH_INJECT" ]; then
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builtin declare ghostty_bash_inject="$GHOSTTY_BASH_INJECT"
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builtin unset GHOSTTY_BASH_INJECT ENV
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# At this point, we're in POSIX mode and rely on the injected
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# flags to guide is through the rest of the startup sequence.
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# POSIX mode was requested by the user so there's nothing
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# more to do that optionally source their original $ENV.
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# No other startup files are read, per the standard.
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if [[ "$ghostty_bash_inject" == *"--posix"* ]]; then
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if [ -n "$GHOSTTY_BASH_ENV" ]; then
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builtin source "$GHOSTTY_BASH_ENV"
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builtin export ENV="$GHOSTTY_BASH_ENV"
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fi
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else
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# Restore bash's default 'posix' behavior. Also reset 'inherit_errexit',
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# which doesn't happen as part of the 'posix' reset.
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builtin set +o posix
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builtin shopt -u inherit_errexit 2>/dev/null
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# Unexport HISTFILE if it was set by the shell integration code.
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if [[ -n "$GHOSTTY_BASH_UNEXPORT_HISTFILE" ]]; then
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builtin export -n HISTFILE
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builtin unset GHOSTTY_BASH_UNEXPORT_HISTFILE
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fi
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# Manually source the startup files, respecting the injected flags like
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# --norc and --noprofile that we parsed with the shell integration code.
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#
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# See also: run_startup_files() in shell.c in the Bash source code
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if builtin shopt -q login_shell; then
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if [[ $ghostty_bash_inject != *"--noprofile"* ]]; then
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[ -r /etc/profile ] && builtin source "/etc/profile"
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for rcfile in "$HOME/.bash_profile" "$HOME/.bash_login" "$HOME/.profile"; do
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[ -r "$rcfile" ] && { builtin source "$rcfile"; break; }
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done
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fi
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else
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if [[ $ghostty_bash_inject != *"--norc"* ]]; then
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# The location of the system bashrc is determined at bash build
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# time via -DSYS_BASHRC and can therefore vary across distros:
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# Arch, Debian, Ubuntu use /etc/bash.bashrc
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# Fedora uses /etc/bashrc sourced from ~/.bashrc instead of SYS_BASHRC
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# Void Linux uses /etc/bash/bashrc
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# Nixos uses /etc/bashrc
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for rcfile in /etc/bash.bashrc /etc/bash/bashrc /etc/bashrc; do
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[ -r "$rcfile" ] && { builtin source "$rcfile"; break; }
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done
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if [[ -z "$GHOSTTY_BASH_RCFILE" ]]; then GHOSTTY_BASH_RCFILE="$HOME/.bashrc"; fi
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[ -r "$GHOSTTY_BASH_RCFILE" ] && builtin source "$GHOSTTY_BASH_RCFILE"
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fi
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fi
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fi
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builtin unset GHOSTTY_BASH_ENV GHOSTTY_BASH_RCFILE
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builtin unset ghostty_bash_inject rcfile
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fi
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# Import bash-preexec, safe to do multiple times
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builtin source "$GHOSTTY_RESOURCES_DIR/shell-integration/bash/bash-preexec.sh"
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# This is set to 1 when we're executing a command so that we don't
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# send prompt marks multiple times.
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_ghostty_executing=""
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_ghostty_last_reported_cwd=""
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function __ghostty_get_current_command() {
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builtin local last_cmd
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# shellcheck disable=SC1007
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last_cmd=$(HISTTIMEFORMAT= builtin history 1)
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last_cmd="${last_cmd#*[[:digit:]]*[[:space:]]}" # remove leading history number
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last_cmd="${last_cmd#"${last_cmd%%[![:space:]]*}"}" # remove remaining leading whitespace
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builtin printf "\e]2;%s\a" "${last_cmd//[[:cntrl:]]}" # remove any control characters
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}
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function __ghostty_precmd() {
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local ret="$?"
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if test "$_ghostty_executing" != "0"; then
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_GHOSTTY_SAVE_PS0="$PS0"
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_GHOSTTY_SAVE_PS1="$PS1"
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_GHOSTTY_SAVE_PS2="$PS2"
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# Marks
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PS1=$PS1'\[\e]133;B\a\]'
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PS2=$PS2'\[\e]133;B\a\]'
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# bash doesn't redraw the leading lines in a multiline prompt so
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# mark the last line as a secondary prompt (k=s) to prevent the
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# preceding lines from being erased by ghostty after a resize.
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if [[ "${PS1}" == *"\n"* || "${PS1}" == *$'\n'* ]]; then
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PS1=$PS1'\[\e]133;A;k=s\a\]'
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fi
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# Cursor
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if test "$GHOSTTY_SHELL_INTEGRATION_NO_CURSOR" != "1"; then
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PS1=$PS1'\[\e[5 q\]'
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PS0=$PS0'\[\e[0 q\]'
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fi
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# Sudo
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if [[ "$GHOSTTY_SHELL_INTEGRATION_NO_SUDO" != "1" ]] && [[ -n "$TERMINFO" ]]; then
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# Wrap `sudo` command to ensure Ghostty terminfo is preserved
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# shellcheck disable=SC2317
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sudo() {
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builtin local sudo_has_sudoedit_flags="no"
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for arg in "$@"; do
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# Check if argument is '-e' or '--edit' (sudoedit flags)
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if [[ "$arg" == "-e" || $arg == "--edit" ]]; then
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sudo_has_sudoedit_flags="yes"
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builtin break
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fi
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# Check if argument is neither an option nor a key-value pair
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if [[ "$arg" != -* && "$arg" != *=* ]]; then
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builtin break
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fi
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done
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if [[ "$sudo_has_sudoedit_flags" == "yes" ]]; then
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builtin command sudo "$@";
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else
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builtin command sudo TERMINFO="$TERMINFO" "$@";
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fi
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}
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fi
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if [[ "$GHOSTTY_SHELL_INTEGRATION_NO_TITLE" != 1 ]]; then
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# Command and working directory
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# shellcheck disable=SC2016
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PS0=$PS0'$(__ghostty_get_current_command)'
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PS1=$PS1'\[\e]2;$PWD\a\]'
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fi
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fi
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if test "$_ghostty_executing" != ""; then
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# End of current command. Report its status.
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builtin printf "\e]133;D;%s;aid=%s\a" "$ret" "$BASHPID"
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fi
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# unfortunately bash provides no hooks to detect cwd changes
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# in particular this means cwd reporting will not happen for a
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# command like cd /test && cat. PS0 is evaluated before cd is run.
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if [[ "$_ghostty_last_reported_cwd" != "$PWD" ]]; then
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_ghostty_last_reported_cwd="$PWD"
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builtin printf "\e]7;kitty-shell-cwd://%s%s\a" "$HOSTNAME" "$PWD"
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fi
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# Fresh line and start of prompt.
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builtin printf "\e]133;A;aid=%s\a" "$BASHPID"
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_ghostty_executing=0
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}
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function __ghostty_preexec() {
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PS0="$_GHOSTTY_SAVE_PS0"
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PS1="$_GHOSTTY_SAVE_PS1"
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PS2="$_GHOSTTY_SAVE_PS2"
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builtin printf "\e]133;C;\a"
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_ghostty_executing=1
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}
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preexec_functions+=(__ghostty_preexec)
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precmd_functions+=(__ghostty_precmd)
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