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# This shell script aims to be written in a way where it can't really fail
# or all failure scenarios are handled, so that we never leave the shell in
# a weird state. If you find a way to break this, please report a bug!
function ghostty_restore_xdg_data_dir -d "restore the original XDG_DATA_DIR value"
# If we don't have our own data dir then we don't need to do anything.
if not set -q GHOSTTY_SHELL_INTEGRATION_XDG_DIR
return
end
# If the data dir isn't set at all then we don't need to do anything.
if not set -q XDG_DATA_DIRS
return
end
# We need to do this so that XDG_DATA_DIRS turns into an array.
set --function --path xdg_data_dirs "$XDG_DATA_DIRS"
# If our data dir is in the list then remove it.
if set --function index (contains --index "$GHOSTTY_SHELL_INTEGRATION_XDG_DIR" $xdg_data_dirs)
set --erase --function xdg_data_dirs[$index]
end
# Re-export our data dir
if set -q xdg_data_dirs[1]
set --global --export --unpath XDG_DATA_DIRS "$xdg_data_dirs"
else
set --erase --global XDG_DATA_DIRS
end
set --erase GHOSTTY_SHELL_INTEGRATION_XDG_DIR
end
function ghostty_exit -d "exit the shell integration setup"
functions -e ghostty_restore_xdg_data_dir
functions -e ghostty_exit
exit 0
end
# We always try to restore the XDG data dir
ghostty_restore_xdg_data_dir
# If we aren't interactive or we've already run, don't run.
status --is-interactive || ghostty_exit
# We do the full setup on the first prompt render. We do this so that other
# shell integrations that setup the prompt and modify things are able to run
# first. We want to run _last_.
function __ghostty_setup --on-event fish_prompt -d "Setup ghostty integration"
functions -e __ghostty_setup
set --local features (string split , $GHOSTTY_SHELL_FEATURES)
# Parse the fish version for feature detection.
# Default to 0.0 if version is unavailable or malformed.
set -l fish_major 0
set -l fish_minor 0
if set -q version[1]
set -l fish_ver (string match -r '(\d+)\.(\d+)' -- $version[1])
if set -q fish_ver[2]; and test -n "$fish_ver[2]"
set fish_major "$fish_ver[2]"
end
if set -q fish_ver[3]; and test -n "$fish_ver[3]"
set fish_minor "$fish_ver[3]"
end
end
# Our OSC133A (prompt start) sequence. If we're using Fish >= 4.1
# then it supports click_events so we enable that.
set -g __ghostty_prompt_start_mark "\e]133;A\a"
if test "$fish_major" -gt 4; or test "$fish_major" -eq 4 -a "$fish_minor" -ge 1
set -g __ghostty_prompt_start_mark "\e]133;A;click_events=1\a"
end
if string match -q 'cursor*' -- $features
set -l cursor 5 # blinking bar
contains cursor:steady $features && set cursor 6 # steady bar
# Change the cursor to a beam on prompt.
function __ghostty_set_cursor_beam --on-event fish_prompt -V cursor -d "Set cursor shape"
if not functions -q fish_vi_cursor_handle
echo -en "\e[$cursor q"
end
end
function __ghostty_reset_cursor --on-event fish_preexec -d "Reset cursor shape"
if not functions -q fish_vi_cursor_handle
echo -en "\e[0 q"
end
end
end
# Add Ghostty binary to PATH if the path feature is enabled
if contains path $features; and test -n "$GHOSTTY_BIN_DIR"
fish_add_path --global --path --append "$GHOSTTY_BIN_DIR"
end
# When using sudo shell integration feature, ensure $TERMINFO is set
# and `sudo` is not already a function or alias
if contains sudo $features; and test -n "$TERMINFO"; and test file = (type -t sudo 2> /dev/null; or echo "x")
# Wrap `sudo` command to ensure Ghostty terminfo is preserved
function sudo -d "Wrap sudo to preserve terminfo"
set --function sudo_has_sudoedit_flags no
for arg in $argv
# Check if argument is '-e' or '--edit' (sudoedit flags)
if string match -q -- -e "$arg"; or string match -q -- --edit "$arg"
set --function sudo_has_sudoedit_flags yes
break
end
# Check if argument is neither an option nor a key-value pair
if not string match -r -q -- "^-" "$arg"; and not string match -r -q -- "=" "$arg"
break
end
end
if test "$sudo_has_sudoedit_flags" = yes
command sudo $argv
else
command sudo --preserve-env=TERMINFO $argv
end
end
end
# SSH Integration
#
# Wrap `ssh` with `ghostty +ssh` and translate the shell-integration
# feature flags into command options.
set -l features (string split ',' -- "$GHOSTTY_SHELL_FEATURES")
if contains ssh-env $features; or contains ssh-terminfo $features
function ssh --wraps=ssh --description "SSH wrapper with Ghostty integration"
set -l features (string split ',' -- "$GHOSTTY_SHELL_FEATURES")
set -l flags
contains ssh-env $features; or set -a flags --forward-env=false
contains ssh-terminfo $features; or set -a flags --terminfo=false
"$GHOSTTY_BIN_DIR/ghostty" +ssh $flags -- $argv
end
end
# Setup prompt marking
function __ghostty_mark_prompt_start --on-event fish_prompt --on-event fish_posterror
# If we never got the output end event, then we need to send it now.
if test "$__ghostty_prompt_state" != prompt-start
echo -en "\e]133;D\a"
end
set --global __ghostty_prompt_state prompt-start
echo -en $__ghostty_prompt_start_mark
end
function __ghostty_mark_output_start --on-event fish_preexec
set --global __ghostty_prompt_state pre-exec
echo -en "\e]133;C\a"
end
function __ghostty_mark_output_end --on-event fish_postexec
set --global __ghostty_prompt_state post-exec
echo -en "\e]133;D;$status\a"
end
# Report pwd. This is actually built-in to fish but only for terminals
# that match an allowlist and that isn't us.
function __update_cwd_osc --on-variable PWD -d 'Notify capable terminals when $PWD changes'
if status --is-command-substitution || set -q INSIDE_EMACS
return
end
printf \e\]7\;file://%s%s\a $hostname (string escape --style=url $PWD)
end
# Enable fish to handle reflow because Ghostty clears the prompt on resize.
set --global fish_handle_reflow 1
# Initial calls for first prompt
if string match -q 'cursor*' -- $features
__ghostty_set_cursor_beam
end
__ghostty_mark_prompt_start
__update_cwd_osc
end
ghostty_exit
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