path: root/share/functions/__fish_config_interactive.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"


	# Make sure this function is only run once
	if set -q __fish_config_interactive_done
		return
	end

	set -g __fish_config_interactive_done

	# Set the correct configuration directory
	set -l configdir ~/.config
	if set -q XDG_CONFIG_HOME
		set configdir $XDG_CONFIG_HOME
	end
	# Set the correct user data directory
	set -l userdatadir ~/.local/share
	if set -q XDG_DATA_HOME
		set userdatadir $XDG_DATA_HOME
	end

	#
	# If we are starting up for the first time, set various defaults
	#

	if not set -q __fish_init_1_50_0
		if not set -q fish_greeting
			set -l line1 (printf (_ 'Welcome to fish, the friendly interactive shell') )
			set -l line2 (printf (_ 'Type %shelp%s for instructions on how to use fish') (set_color green) (set_color normal))
			set -U fish_greeting $line1\n$line2
		end
		set -U __fish_init_1_50_0

		# Regular syntax highlighting colors
		set -q fish_color_normal; or set -U fish_color_normal normal
		set -q fish_color_command; or set -U fish_color_command 005fd7 purple
		set -q fish_color_param; or set -U fish_color_param 00afff cyan
		set -q fish_color_redirection; or set -U fish_color_redirection normal
		set -q fish_color_comment; or set -U fish_color_comment red
		set -q fish_color_error; or set -U fish_color_error red --bold
		set -q fish_color_escape; or set -U fish_color_escape cyan
		set -q fish_color_operator; or set -U fish_color_operator cyan
		set -q fish_color_quote; or set -U fish_color_quote brown
		set -q fish_color_autosuggestion; or set -U fish_color_autosuggestion 555 yellow
		set -q fish_color_valid_path; or set -U fish_color_valid_path --underline

		set -q fish_color_cwd; or set -U fish_color_cwd green
		set -q fish_color_cwd_root; or set -U fish_color_cwd_root red

		# Background color for matching quotes and parenthesis
		set -q fish_color_match; or set -U fish_color_match cyan

		# Background color for search matches
		set -q fish_color_search_match; or set -U fish_color_search_match --background=purple

		# Background color for selections
		set -q fish_color_selection; or set -U fish_color_selection --background=purple

		# Pager colors
		set -q fish_pager_color_prefix; or set -U fish_pager_color_prefix cyan
		set -q fish_pager_color_completion; or set -U fish_pager_color_completion normal
		set -q fish_pager_color_description 555; or set -U fish_pager_color_description 555 yellow
		set -q fish_pager_color_progress; or set -U fish_pager_color_progress cyan

		#
		# Directory history colors
		#

		set -q fish_color_history_current; or set -U fish_color_history_current cyan
	end

    #
    # Generate man page completions if not present
    #

    if not test -d $userdatadir/fish/generated_completions
        #fish_update_completions is a function, so it can not be directly run in background.
        eval "$__fish_bin_dir/fish -c 'fish_update_completions > /dev/null ^/dev/null' &"
    end

	#
	# Print a greeting
	# fish_greeting can be a function (preferred) or a variable
	#

	if functions -q fish_greeting
		fish_greeting
	else
		# The greeting used to be skipped when fish_greeting was empty (not just undefined)
		# Keep it that way to not print superfluous newlines on old configuration
		test -n "$fish_greeting"; and echo $fish_greeting
	end

	#
	# This event handler makes sure the prompt is repainted when
	# fish_color_cwd changes value. Like all event handlers, it can't be
	# autoloaded.
	#

	function __fish_repaint --on-variable fish_color_cwd --description "Event handler, repaints the prompt when fish_color_cwd changes"
		if status --is-interactive
			set -e __fish_prompt_cwd
			commandline -f repaint ^/dev/null
		end
	end

	function __fish_repaint_root --on-variable fish_color_cwd_root --description "Event handler, repaints the prompt when fish_color_cwd_root changes"
		if status --is-interactive
			set -e __fish_prompt_cwd
			commandline -f repaint ^/dev/null
		end
	end

	#
	# Completions for SysV startup scripts. These aren't bound to any
	# specific command, so they can't be autoloaded.
	#

	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'

	# Make sure some key bindings are set
	if not set -q fish_key_bindings
		set -U fish_key_bindings fish_default_key_bindings
	end

	# 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
		# 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 test "$fish_key_bindings" = "$__fish_active_key_bindings"
			return
		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
			fish_default_key_bindings
		else
			eval $fish_key_bindings ^/dev/null
		end
		# Load user key bindings if they are defined
		if functions --query fish_user_key_bindings > /dev/null
			fish_user_key_bindings
		end
	end

	# Load key bindings. Redirect stderr per #1155
	set -g __fish_active_key_bindings
	__fish_reload_key_bindings ^ /dev/null

	# Repaint screen when window changes size
	function __fish_winch_handler --on-signal WINCH
		commandline -f repaint
	end


	# Notify vte-based terminals when $PWD changes (issue #906)
	if test "$VTE_VERSION" -ge 3405 -o "$TERM_PROGRAM" = "Apple_Terminal"
		function __update_vte_cwd --on-variable PWD --description 'Notify VTE of change to $PWD'
			status --is-command-substitution; and return
			printf '\033]7;file://%s%s\a' (hostname) (pwd | __fish_urlencode)
		end
		__update_vte_cwd # Run once because we might have already inherited a PWD from an old tab
	end

	### Command-not-found handlers
	# This can be overridden by defining a new __fish_command_not_found_handler function
	if not type -q __fish_command_not_found_handler
		# First check if we are on OpenSUSE since SUSE's handler has no options
		# and expects first argument to be a command and second database
		# also check if there is command-not-found command.
		if test -f /etc/SuSE-release; and type -q -p command-not-found
			function __fish_command_not_found_handler --on-event fish_command_not_found
				/usr/bin/command-not-found $argv[1]
			end
			# Check for Fedora's handler
		else if test -f /usr/libexec/pk-command-not-found
			function __fish_command_not_found_handler --on-event fish_command_not_found
				/usr/libexec/pk-command-not-found $argv[1]
			end
			# Check in /usr/lib, this is where modern Ubuntus place this command
		else if test -f /usr/lib/command-not-found
			function __fish_command_not_found_handler --on-event fish_command_not_found
				/usr/lib/command-not-found -- $argv[1]
			end
			# Check for NixOS handler
		else if test -f /run/current-system/sw/bin/command-not-found
			function __fish_command_not_found_handler --on-event fish_command_not_found
				/run/current-system/sw/bin/command-not-found $argv
			end
			# Ubuntu Feisty places this command in the regular path instead
		else if type -q -p command-not-found
			function __fish_command_not_found_handler --on-event fish_command_not_found
				command-not-found -- $argv[1]
			end
			# pkgfile is an optional, but official, package on Arch Linux
			# it ships with example handlers for bash and zsh, so we'll follow that format
		else if type -p -q pkgfile
			function __fish_command_not_found_handler --on-event fish_command_not_found
				set -l __packages (pkgfile --binaries --verbose -- $argv[1] ^/dev/null)
				if test $status -eq 0
					printf "%s may be found in the following packages:\n" "$argv[1]"
					printf "  %s\n" $__packages
				else
					__fish_default_command_not_found_handler $argv[1]
				end
			end
			# Use standard fish command not found handler otherwise
		else
			function __fish_command_not_found_handler --on-event fish_command_not_found
				__fish_default_command_not_found_handler $argv[1]
			end
		end
	end

	if test $TERM = "linux" # A linux in-kernel VT with 8 colors and 256/512 glyphs
		# In a VT we have
		# black (invisible)
		# red
		# green
		# yellow
		# blue
		# magenta
		# cyan
		# white

		# Pretty much just set at random
		set -g fish_color_normal normal
		set -g fish_color_command yellow
		set -g fish_color_param cyan
		set -g fish_color_redirection normal
		set -g fish_color_comment red
		set -g fish_color_error red
		set -g fish_color_escape cyan
		set -g fish_color_operator cyan
		set -g fish_color_quote blue
		set -g fish_color_autosuggestion yellow
		set -g fish_color_valid_path
		set -g fish_color_cwd green
		set -g fish_color_cwd_root red
		set -g fish_color_match cyan
		set -g fish_color_history_current cyan
		set -g fish_color_search_match cyan
		set -g fish_color_selection blue
		set -g fish_color_end yellow
		set -g fish_color_host normal
		set -g fish_color_status red
		set -g fish_color_user green
		set -g fish_pager_color_prefix cyan
		set -g fish_pager_color_completion normal
		set -g fish_pager_color_description yellow
		set -g fish_pager_color_progress cyan

		# Don't allow setting color other than what linux offers (see #2001)
		functions -e set_color
		function set_color
			set -l term_colors black red green yellow blue magenta cyan white normal
			for a in $argv
				if not contains -- $a $term_colors
					switch $a
						# Also allow options
						case "-*"
							continue
						case "*"
							echo "Color not valid in TERM = linux: $a"
							return 1
					end
				end
			end
			builtin set_color $argv
			return $status
		end

		# Set fish_prompt to a VT-friendly version
		# without color or unicode
		function fish_prompt
			fish_fallback_prompt
		end
	end

	if not set -q NVIM_LISTEN_ADDRESS # Neovim will swallow the 24bit sequences, rendering text white
		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-*" $TERM # suckless' st
			or test "$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
		set -g fish_term24bit 1
	end
end