fish-shell/share/functions/__fish_config_interactive.fish
2022-02-07 20:53:55 +01:00

289 lines
13 KiB
Fish

#
# Initializations that should only be performed when entering interactive mode.
#
# This function is called by the __fish_on_interactive function, which is defined in config.fish.
#
function __fish_config_interactive -d "Initializations that should be performed when entering interactive mode"
if test $__fish_initialized -lt 3000
# Perform transitions relevant to going from fish 2.x to 3.x.
# Migrate old universal abbreviations to the new scheme.
__fish_abbr_old | source
end
# Make sure this function is only run once.
if set -q __fish_config_interactive_done
return
end
set -g __fish_config_interactive_done
set -g __fish_active_key_bindings
# usage: __init_uvar VARIABLE VALUES...
function __init_uvar -d "Sets a universal variable if it's not already set"
if not set --query $argv[1]
set --universal $argv
end
end
# If we are starting up for the first time, set various defaults.
if test $__fish_initialized -lt 3400
# Regular syntax highlighting colors
__init_uvar fish_color_normal normal
__init_uvar fish_color_command blue
__init_uvar fish_color_param cyan
__init_uvar fish_color_redirection cyan --bold
__init_uvar fish_color_comment red
__init_uvar fish_color_error brred
__init_uvar fish_color_escape brcyan
__init_uvar fish_color_operator brcyan
__init_uvar fish_color_end green
__init_uvar fish_color_quote yellow
__init_uvar fish_color_autosuggestion 555 brblack
__init_uvar fish_color_user brgreen
__init_uvar fish_color_host normal
__init_uvar fish_color_host_remote yellow
__init_uvar fish_color_valid_path --underline
__init_uvar fish_color_status red
__init_uvar fish_color_cwd green
__init_uvar fish_color_cwd_root red
# Background color for search matches
__init_uvar fish_color_search_match --background=111
# Background color for selections
__init_uvar fish_color_selection white --bold --background=brblack
# XXX fish_color_cancel was added in 2.6, but this was added to post-2.3 initialization
# when 2.4 and 2.5 were already released
__init_uvar fish_color_cancel -r
# Pager colors
__init_uvar fish_pager_color_prefix cyan --bold --underline
__init_uvar fish_pager_color_completion normal
__init_uvar fish_pager_color_description B3A06D yellow -i
__init_uvar fish_pager_color_progress brwhite --background=cyan
__init_uvar fish_pager_color_selected_background -r
#
# Directory history colors
#
__init_uvar fish_color_history_current --bold
end
#
# Generate man page completions if not present.
#
# Don't do this if we're being invoked as part of running unit tests.
if not set -q FISH_UNIT_TESTS_RUNNING
# Check if our manpage completion script exists because some distros split it out.
# (#7183)
set -l script $__fish_data_dir/tools/create_manpage_completions.py
if not test -d $__fish_user_data_dir/generated_completions; and test -e "$script"
# Generating completions from man pages needs python (see issue #3588).
# We cannot simply do `fish_update_completions &` because it is a function.
# We cannot do `eval` since it is a function.
# We don't want to call `fish -c` since that is unnecessary and sources config.fish again.
# Hence we'll call python directly.
# c_m_p.py should work with any python version.
set -l update_args -B $__fish_data_dir/tools/create_manpage_completions.py --manpath --cleanup-in '~/.config/fish/completions' --cleanup-in '~/.config/fish/generated_completions'
if set -l python (__fish_anypython)
# Run python directly in the background and swallow all output
$python $update_args >/dev/null 2>&1 &
# Then disown the job so that it continues to run in case of an early exit (#6269)
disown >/dev/null 2>&1
end
end
end
#
# Print a greeting.
# The default just prints a variable of the same name.
#
# NOTE: This status check is necessary to not print the greeting when `read`ing in scripts. See #7080.
if status --is-interactive
and functions -q fish_greeting
fish_greeting
end
#
# Completions for SysV startup scripts. These aren't bound to any
# specific command, so they can't be autoloaded.
#
if test -d /etc/init.d
complete -x -p "/etc/init.d/*" -a start --description 'Start service'
complete -x -p "/etc/init.d/*" -a stop --description 'Stop service'
complete -x -p "/etc/init.d/*" -a status --description 'Print service status'
complete -x -p "/etc/init.d/*" -a restart --description 'Stop and then start service'
complete -x -p "/etc/init.d/*" -a reload --description 'Reload service configuration'
end
#
# We want to show our completions for the [ (test) builtin, but
# we don't want to create a [.fish. test.fish will not be loaded until
# the user tries [ interactively.
#
complete -c [ --wraps test
complete -c ! --wraps not
#
# Only a few builtins take filenames; initialize the rest with no file completions
#
complete -c(builtin -n | string match -rv '(\.|:|source|cd|contains|count|echo|exec|printf|random|realpath|set|\\[|test|for)') --no-files
# Reload key bindings when binding variable change
function __fish_reload_key_bindings -d "Reload key bindings when binding variable change" --on-variable fish_key_bindings
# Make sure some key bindings are set
__init_uvar fish_key_bindings fish_default_key_bindings
# Do nothing if the key bindings didn't actually change.
# This could be because the variable was set to the existing value
# or because it was a local variable.
# If fish_key_bindings is empty on the first run, we still need to set the defaults.
if test "$fish_key_bindings" = "$__fish_active_key_bindings" -a -n "$fish_key_bindings"
return
end
# Check if fish_key_bindings is a valid function.
# If not, either keep the previous bindings (if any) or revert to default.
# Also print an error so the user knows.
if not functions -q "$fish_key_bindings"
echo "There is no fish_key_bindings function called: '$fish_key_bindings'" >&2
# We need to see if this is a defined function, otherwise we'd be in an endless loop.
if functions -q $__fish_active_key_bindings
echo "Keeping $__fish_active_key_bindings" >&2
# Set the variable to the old value so this error doesn't happen again.
set fish_key_bindings $__fish_active_key_bindings
return 1
else if functions -q fish_default_key_bindings
echo "Reverting to default bindings" >&2
set fish_key_bindings fish_default_key_bindings
# Return because we are called again
return 0
else
# If we can't even find the default bindings, something is broken.
# Without it, we would eventually run into the stack size limit, but that'd print hundreds of duplicate lines
# so we should give up earlier.
echo "Cannot find fish_default_key_bindings, falling back to very simple bindings." >&2
echo "Most likely something is wrong with your installation." >&2
return 0
end
end
set -g __fish_active_key_bindings "$fish_key_bindings"
set -g fish_bind_mode default
if test "$fish_key_bindings" = fish_default_key_bindings
# Redirect stderr per #1155
fish_default_key_bindings 2>/dev/null
else
$fish_key_bindings 2>/dev/null
end
# Load user key bindings if they are defined
if functions --query fish_user_key_bindings >/dev/null
fish_user_key_bindings 2>/dev/null
end
end
# Load key bindings
__fish_reload_key_bindings
# Enable bracketed paste exception when running unit tests so we don't have to add
# the sequences to bind.expect
if not set -q FISH_UNIT_TESTS_RUNNING
# Enable bracketed paste before every prompt (see __fish_shared_bindings for the bindings).
# Enable bracketed paste when the read builtin is used.
function __fish_enable_bracketed_paste --on-event fish_prompt --on-event fish_read
printf "\e[?2004h"
end
# Disable BP before every command because that might not support it.
function __fish_disable_bracketed_paste --on-event fish_preexec --on-event fish_exit
printf "\e[?2004l"
end
# Tell the terminal we support BP. Since we are in __f_c_i, the first fish_prompt
# has already fired.
__fish_enable_bracketed_paste
end
# Similarly, enable TMUX's focus reporting when in tmux.
# This will be handled by
# - The keybindings (reading the sequence and triggering an event)
# - Any listeners (like the vi-cursor)
if set -q TMUX
and not set -q FISH_UNIT_TESTS_RUNNING
function __fish_enable_focus --on-event fish_postexec
echo -n \e\[\?1004h
end
function __fish_disable_focus --on-event fish_preexec
echo -n \e\[\?1004l
end
# Note: Don't call this initially because, even though we're in a fish_prompt event,
# tmux reacts sooo quickly that we'll still get a sequence before we're prepared for it.
# So this means that we won't get focus events until you've run at least one command, but that's preferable
# to always seeing `^[[I` when starting fish.
# __fish_enable_focus
end
# Detect whether the terminal reflows on its own
# If it does we shouldn't do it.
# Allow $fish_handle_reflow to override it.
if not set -q fish_handle_reflow
# VTE reflows the text itself, so us doing it inevitably races against it.
# Guidance from the VTE developers is to let them repaint.
if set -q VTE_VERSION
# Same for alacritty
or string match -q -- 'alacritty*' $TERM
# Same for kitty
or string match -q -- '*kitty' $TERM
set -g fish_handle_reflow 0
else if set -q KONSOLE_VERSION
and test "$KONSOLE_VERSION" -ge 210400 2>/dev/null
# Konsole since version 21.04(.00)
# Note that this is optional, but since we have no way of detecting it
# we go with the default, which is true.
set -g fish_handle_reflow 0
else
set -g fish_handle_reflow 1
end
end
function __fish_winch_handler --on-signal WINCH -d "Repaint screen when window changes size"
if test "$fish_handle_reflow" = 1 2>/dev/null
commandline -f repaint >/dev/null 2>/dev/null
end
end
# Notify terminals when $PWD changes (issue #906).
# VTE based terminals, Terminal.app, iTerm.app (TODO), and foot support this.
if not set -q FISH_UNIT_TESTS_RUNNING
and begin
string match -q -- 'foot*' $TERM
or test 0"$VTE_VERSION" -ge 3405
or test "$TERM_PROGRAM" = Apple_Terminal && test (string match -r '\d+' 0"$TERM_PROGRAM_VERSION") -ge 309
or test "$TERM_PROGRAM" = WezTerm
end
function __update_cwd_osc --on-variable PWD --description 'Notify capable terminals when $PWD changes'
if status --is-command-substitution || set -q INSIDE_EMACS
return
end
printf \e\]7\;file://%s%s\a $hostname (string escape --style=url $PWD)
end
__update_cwd_osc # Run once because we might have already inherited a PWD from an old tab
end
# Create empty configuration directores if they do not already exist
test -e $__fish_config_dir/completions/ -a -e $__fish_config_dir/conf.d/ -a -e $__fish_config_dir/functions/ ||
mkdir -p $__fish_config_dir/{completions, conf.d, functions}
# Create config.fish with some boilerplate if it does not exist
test -e $__fish_config_dir/config.fish || echo "\
if status is-interactive
# Commands to run in interactive sessions can go here
end" >$__fish_config_dir/config.fish
# Bump this whenever some code below needs to run once when upgrading to a new version.
# The universal variable __fish_initialized is initialized in share/config.fish.
set __fish_initialized 3400
end