fish-shell/share/config.fish

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# This file does some internal fish setup.
# It is not recommended to remove or edit it.
#
# Set default field separators
#
set -g IFS \n\ \t
set -qg __fish_added_user_paths
or set -g __fish_added_user_paths
#
# Create the default command_not_found handler
#
function __fish_default_command_not_found_handler
printf (_ "fish: Unknown command: %s\n") (string escape -- $argv[1]) >&2
end
if not status --is-interactive
# Hook up the default as the command_not_found handler
# if we are not interactive to avoid custom handlers.
function fish_command_not_found --on-event fish_command_not_found
__fish_default_command_not_found_handler $argv
end
end
#
# Set default search paths for completions and shellscript functions
# unless they already exist
#
# __fish_data_dir, __fish_sysconf_dir, __fish_help_dir, __fish_bin_dir
# are expected to have been set up by read_init from fish.cpp
# Grab extra directories (as specified by the build process, usually for
# third-party packages to ship completions &c.
set -l __extra_completionsdir
set -l __extra_functionsdir
set -l __extra_confdir
if test -f $__fish_data_dir/__fish_build_paths.fish
source $__fish_data_dir/__fish_build_paths.fish
end
# Compute the directories for vendor configuration. We want to include
# all of XDG_DATA_DIRS, as well as the __extra_* dirs defined above.
set -l xdg_data_dirs
if set -q XDG_DATA_DIRS
set --path xdg_data_dirs $XDG_DATA_DIRS
set xdg_data_dirs (string replace -r '([^/])/$' '$1' -- $xdg_data_dirs)/fish
else
set xdg_data_dirs $__fish_data_dir
end
set -g __fish_vendor_completionsdirs
set -g __fish_vendor_functionsdirs
set -g __fish_vendor_confdirs
# Don't load vendor directories when running unit tests
if not set -q FISH_UNIT_TESTS_RUNNING
set __fish_vendor_completionsdirs $__fish_user_data_dir/vendor_completions.d $xdg_data_dirs/vendor_completions.d
set __fish_vendor_functionsdirs $__fish_user_data_dir/vendor_functions.d $xdg_data_dirs/vendor_functions.d
set __fish_vendor_confdirs $__fish_user_data_dir/vendor_conf.d $xdg_data_dirs/vendor_conf.d
# Ensure that extra directories are always included.
if not contains -- $__extra_completionsdir $__fish_vendor_completionsdirs
set -a __fish_vendor_completionsdirs $__extra_completionsdir
end
if not contains -- $__extra_functionsdir $__fish_vendor_functionsdirs
set -a __fish_vendor_functionsdirs $__extra_functionsdir
end
if not contains -- $__extra_confdir $__fish_vendor_confdirs
set -a __fish_vendor_confdirs $__extra_confdir
end
end
# Set up function and completion paths. Make sure that the fish
# default functions/completions are included in the respective path.
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if not set -q fish_function_path
set fish_function_path $__fish_config_dir/functions $__fish_sysconf_dir/functions $__fish_vendor_functionsdirs $__fish_data_dir/functions
else if not contains -- $__fish_data_dir/functions $fish_function_path
set -a fish_function_path $__fish_data_dir/functions
end
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if not set -q fish_complete_path
set fish_complete_path $__fish_config_dir/completions $__fish_sysconf_dir/completions $__fish_vendor_completionsdirs $__fish_data_dir/completions $__fish_user_data_dir/generated_completions
else if not contains -- $__fish_data_dir/completions $fish_complete_path
set -a fish_complete_path $__fish_data_dir/completions
end
# Add a handler for when fish_user_path changes, so we can apply the same changes to PATH
function __fish_reconstruct_path -d "Update PATH when fish_user_paths changes" --on-variable fish_user_paths
# Deduplicate $fish_user_paths
# This should help with people appending to it in config.fish
set -l new_user_path
for path in (string split : -- $fish_user_paths)
if not contains -- $path $new_user_path
set -a new_user_path $path
end
end
if test (count $new_user_path) -lt (count $fish_user_paths)
# This will end up calling us again, so we return
set fish_user_paths $new_user_path
return
end
set -l local_path $PATH
for x in $__fish_added_user_paths
set -l idx (contains --index -- $x $local_path)
and set -e local_path[$idx]
end
set -g __fish_added_user_paths
if set -q fish_user_paths
# Explicitly split on ":" because $fish_user_paths might not be a path variable,
# but $PATH definitely is.
for x in (string split ":" -- $fish_user_paths[-1..1])
if set -l idx (contains --index -- $x $local_path)
set -e local_path[$idx]
else
set -ga __fish_added_user_paths $x
end
set -p local_path $x
end
end
set -xg PATH $local_path
end
#
# Launch debugger on SIGTRAP
#
function fish_sigtrap_handler --on-signal TRAP --no-scope-shadowing --description "TRAP handler: debug prompt"
breakpoint
end
#
# When a prompt is first displayed, make sure that interactive
# mode-specific initializations have been performed.
# This includes a `read` prompt, hence the fish_read event.
# This handler removes itself after it is first called.
#
function __fish_on_interactive --on-event fish_prompt --on-event fish_read
# We erase this *first* so it can't be called again,
# e.g. if fish_greeting calls "read".
functions -e __fish_on_interactive
__fish_config_interactive
end
# Set the locale if it isn't explicitly set. Allowing the lack of locale env vars to imply the
# C/POSIX locale causes too many problems. Do this before reading the snippets because they might be
# in UTF-8 (with non-ASCII characters).
not set -q LANG # (fast path - no need to load the file if we have $LANG)
and __fish_set_locale
#
# Some things should only be done for login terminals
# This used to be in etc/config.fish - keep it here to keep the semantics
#
if status --is-login
if command -sq /usr/libexec/path_helper
# Adapt construct_path from the macOS /usr/libexec/path_helper
# executable for fish; see
# https://opensource.apple.com/source/shell_cmds/shell_cmds-203/path_helper/path_helper.c.auto.html .
function __fish_macos_set_env -d "set an environment variable like path_helper does (macOS only)"
set -l result
# Populate path according to config files
for path_file in $argv[2] $argv[3]/*
if test -f $path_file
while read -l entry
if not contains -- $entry $result
test -n "$entry"
and set -a result $entry
end
end <$path_file
end
end
# Merge in any existing path elements
for existing_entry in $$argv[1]
if not contains -- $existing_entry $result
set -a result $existing_entry
end
end
set -xg $argv[1] $result
end
__fish_macos_set_env PATH /etc/paths '/etc/paths.d'
if test -n "$MANPATH"
__fish_macos_set_env MANPATH /etc/manpaths '/etc/manpaths.d'
end
functions -e __fish_macos_set_env
end
#
# Put linux consoles in unicode mode.
#
if test "$TERM" = linux
and string match -qir '\.UTF' -- $LANG
and command -sq unicode_start
unicode_start
end
end
# Invoke this here to apply the current value of fish_user_path after
# PATH is possibly set above.
__fish_reconstruct_path
# Allow %n job expansion to be used with fg/bg/wait
# `jobs` is the only one that natively supports job expansion
function __fish_expand_pid_args
for arg in $argv
if string match -qr '^%\d+$' -- $arg
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if not jobs -p $arg
return 1
end
else
printf "%s\n" $arg
end
end
end
for jobbltn in bg wait disown
function $jobbltn -V jobbltn
set -l args (__fish_expand_pid_args $argv)
and builtin $jobbltn $args
end
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end
function fg
set -l args (__fish_expand_pid_args $argv)
and builtin fg $args[-1]
end
if command -q kill
# Only define this if something to wrap exists
# this allows a nice "commad not found" error to be triggered.
function kill
set -l args (__fish_expand_pid_args $argv)
and command kill $args
end
end
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# As last part of initialization, source the conf directories.
# Implement precedence (User > Admin > Extra (e.g. vendors) > Fish) by basically doing "basename".
set -l sourcelist
for file in $__fish_config_dir/conf.d/*.fish $__fish_sysconf_dir/conf.d/*.fish $__fish_vendor_confdirs/*.fish
set -l basename (string replace -r '^.*/' '' -- $file)
contains -- $basename $sourcelist
and continue
set sourcelist $sourcelist $basename
# Also skip non-files or unreadable files.
# This allows one to use e.g. symlinks to /dev/null to "mask" something (like in systemd).
test -f $file -a -r $file
and source $file
end