fish-shell/share/config.fish

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# Main file for fish command completions. This file contains various
# common helper functions for the command completions. All actual
# completions are located in the completions subdirectory.
#
# Set default field separators
#
set -g IFS \n\ \t
#
# Create the default command_not_found handler
#
function __fish_default_command_not_found_handler
echo "fish: Unknown command '$argv'" >&2
end
set -g version $FISH_VERSION
if status --is-interactive
# The user has seemingly explicitly launched an old fish with too-new scripts installed.
if not contains -- "string" (builtin -n)
set -g __is_launched_without_string 1
# XXX nostring - fix old fish binaries with no `string' builtin.
# When executed on fish 2.2.0, the `else' block after this would
# force on 24-bit mode due to changes to in test behavior.
# These "XXX nostring" hacks were added for 2.3.1
set_color --bold
echo "You appear to be trying to launch an old fish binary with newer scripts "
echo "installed into" (set_color --underline)"$__fish_datadir"
set_color normal
echo -e "\nThis is an unsupported configuration.\n"
set_color yellow
echo "You may need to uninstall and reinstall fish!"
set_color normal
# Remove this code when we've made it safer to upgrade fish.
else
# Enable truecolor/24-bit support for select terminals
# Ignore Neovim (in 0.1.4 at least), Screen and emacs' ansi-term as they swallow the sequences, rendering the text white.
if not set -q NVIM_LISTEN_ADDRESS
and not set -q STY
and not string match -q -- 'eterm*' $TERM
and begin
set -q KONSOLE_PROFILE_NAME # KDE's konsole
or string match -q -- "*:*" $ITERM_SESSION_ID # Supporting versions of iTerm2 will include a colon here
or string match -q -- "st-*" $TERM # suckless' st
or test -n "$VTE_VERSION" -a "$VTE_VERSION" -ge 3600 # Should be all gtk3-vte-based terms after version 3.6.0.0
or test "$COLORTERM" = truecolor -o "$COLORTERM" = 24bit # slang expects this
end
# Only set it if it isn't to allow override by setting to 0
set -q fish_term24bit
or set -g fish_term24bit 1
end
end
else
# Hook up the default as the principal command_not_found handler
# in case we are not interactive
function __fish_command_not_found_handler --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
#
set -l configdir ~/.config
if set -q XDG_CONFIG_HOME
set configdir $XDG_CONFIG_HOME
end
set -l userdatadir ~/.local/share
if set -q XDG_DATA_HOME
set userdatadir $XDG_DATA_HOME
end
# __fish_datadir, __fish_sysconfdir, __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_datadir/__fish_build_paths.fish
source $__fish_datadir/__fish_build_paths.fish
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 $configdir/fish/functions $__fish_sysconfdir/functions $__extra_functionsdir $__fish_datadir/functions
end
if not contains -- $__fish_datadir/functions $fish_function_path
set fish_function_path $fish_function_path $__fish_datadir/functions
end
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if not set -q fish_complete_path
set fish_complete_path $configdir/fish/completions $__fish_sysconfdir/completions $__extra_completionsdir $__fish_datadir/completions $userdatadir/fish/generated_completions
end
if not contains -- $__fish_datadir/completions $fish_complete_path
set fish_complete_path $fish_complete_path $__fish_datadir/completions
end
#
# This is a Solaris-specific test to modify the PATH so that
# Posix-conformant tools are used by default. It is separate from the
# other PATH code because this directory needs to be prepended, not
# appended, since it contains POSIX-compliant replacements for various
# system utilities.
#
if test -d /usr/xpg4/bin
if not contains -- /usr/xpg4/bin $PATH
set PATH /usr/xpg4/bin $PATH
end
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end
# OS X-ism: Load the path files out of /etc/paths and /etc/paths.d/*
set -g __fish_tmp_path $PATH
function __fish_load_path_helper_paths
# We want to rearrange the path to reflect this order. Delete that path component if it exists and then prepend it.
# Since we are prepending but want to preserve the order of the input file, we reverse the array, append, and then reverse it again
set __fish_tmp_path $__fish_tmp_path[-1..1]
while read -l new_path_comp
if test -d $new_path_comp
set -l where (contains -i -- $new_path_comp $__fish_tmp_path)
and set -e __fish_tmp_path[$where]
set __fish_tmp_path $new_path_comp $__fish_tmp_path
end
end
set __fish_tmp_path $__fish_tmp_path[-1..1]
end
test -r /etc/paths
and __fish_load_path_helper_paths </etc/paths
for pathfile in /etc/paths.d/*
__fish_load_path_helper_paths <$pathfile
end
set -xg PATH $__fish_tmp_path
set -e __fish_tmp_path
functions -e __fish_load_path_helper_paths
# OS X-ism: Load the manpath files out of /etc/manpaths and /etc/manpaths.d/*
if set -q MANPATH
set -g __fish_tmp_manpath $MANPATH
function __fish_load_manpath_helper_manpaths
# We want to rearrange the manpath to reflect this order. Delete that manpath component if it exists and then prepend it.
# Since we are prepending but want to preserve the order of the input file, we reverse the array, append, and then reverse it again
set __fish_tmp_manpath $__fish_tmp_manpath[-1..1]
while read -l new_manpath_comp
if test -d $new_manpath_comp
set -l where (contains -i -- $new_manpath_comp $__fish_tmp_manpath)
and set -e __fish_tmp_manpath[$where]
set __fish_tmp_manpath $new_manpath_comp $__fish_tmp_manpath
end
end
set __fish_tmp_manpath $__fish_tmp_manpath[-1..1]
end
test -r /etc/manpaths
and __fish_load_manpath_helper_manpaths </etc/manpaths
for manpathfile in /etc/manpaths.d/*
__fish_load_manpath_helper_manpaths <$manpathfile
end
set -xg MANPATH $__fish_tmp_manpath
set -e __fish_tmp_manpath
functions -e __fish_load_manpath_helper_manpaths
end
# Add a handler for when fish_user_path changes, so we can apply the same changes to PATH
# Invoke it immediately to apply the current value of fish_user_path
function __fish_reconstruct_path -d "Update PATH when fish_user_paths changes" --on-variable fish_user_paths
set -l local_path $PATH
set -l x
for x in $__fish_added_user_paths
set -l idx (contains --index -- $x $local_path)
and set -e local_path[$idx]
end
set -e __fish_added_user_paths
for x in $fish_user_paths[-1..1]
if set -l idx (contains --index -- $x $local_path)
set -e local_path[$idx]
else
set -g __fish_added_user_paths $__fish_added_user_paths $x
end
set local_path $x $local_path
end
set -xg PATH $local_path
end
__fish_reconstruct_path
#
# Launch debugger on SIGTRAP
#
function fish_sigtrap_handler --on-signal TRAP --no-scope-shadowing --description "Signal handler for the TRAP signal. Launches a debug prompt."
breakpoint
end
#
# Whenever a prompt is displayed, make sure that interactive
# mode-specific initializations have been performed.
# This handler removes itself after it is first called.
#
function __fish_on_interactive --on-event fish_prompt
__fish_config_interactive
functions -e __fish_on_interactive
end
# "." command for compatibility with old fish versions.
function . --description 'Evaluate contents of file (deprecated, see "source")' --no-scope-shadowing
if begin
test (count $argv) -eq 0
# Uses tty directly, as isatty depends on "."
and tty 0>&0 >/dev/null
end
echo "source: '.' command is deprecated, and doesn't work with STDIN anymore. Did you mean 'source' or './'?" >&2
return 1
else
source $argv
end
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).
__fish_set_locale
# 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 $configdir/fish/conf.d/*.fish $__fish_sysconfdir/conf.d/*.fish $__extra_confdir/*.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)
[ -f $file -a -r $file ]
and source $file
end
# Upgrade pre-existing abbreviations from the old "key=value" to the new "key value" syntax
# This needs to be in share/config.fish because __fish_config_interactive is called after 2sourcing config.fish, which might contain abbr calls
if not set -q __fish_init_2_3_0
set -l fab
for abb in $fish_user_abbreviations
set fab $fab (string replace -r '^([^ =]+)=(.*)$' '$1 $2' -- $abb)
end
set fish_user_abbreviations $fab
set -U __fish_init_2_3_0
end
#
# Some things should only be done for login terminals
# This used to be in etc/config.fish - keep it here to keep the semantics
#
if status --is-login
#
# Put linux consoles in unicode mode.
#
if test "$TERM" = linux
if string match -qir '\.UTF' -- $LANG
if command -sq unicode_start
unicode_start
end
end
end
end