mirror of
https://github.com/fish-shell/fish-shell
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8a585bb711
It also reflows. We might want to think about doing something more extensible here, as konsole is also about to add reflow, but for now the main problem children here are VTE and alacritty. Extends #7491.
273 lines
12 KiB
Fish
273 lines
12 KiB
Fish
#
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# Initializations that should only be performed when entering interactive mode.
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#
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# This function is called by the __fish_on_interactive function, which is defined in config.fish.
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#
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function __fish_config_interactive -d "Initializations that should be performed when entering interactive mode"
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if test $__fish_initialized -lt 3000
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# Perform transitions relevant to going from fish 2.x to 3.x.
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# Migrate old universal abbreviations to the new scheme.
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__fish_abbr_old | source
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end
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# Make sure this function is only run once.
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if set -q __fish_config_interactive_done
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return
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end
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set -g __fish_config_interactive_done
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set -g __fish_active_key_bindings
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# usage: __init_uvar VARIABLE VALUES...
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function __init_uvar -d "Sets a universal variable if it's not already set"
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if not set --query $argv[1]
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set --universal $argv
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end
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end
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#
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# If we are starting up for the first time, set various defaults.
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if test $__fish_initialized -lt 3100
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# Regular syntax highlighting colors
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__init_uvar fish_color_normal normal
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__init_uvar fish_color_command 005fd7
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__init_uvar fish_color_param 00afff
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__init_uvar fish_color_redirection 00afff
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__init_uvar fish_color_comment 990000
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__init_uvar fish_color_error ff0000
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__init_uvar fish_color_escape 00a6b2
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__init_uvar fish_color_operator 00a6b2
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__init_uvar fish_color_end 009900
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__init_uvar fish_color_quote 999900
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__init_uvar fish_color_autosuggestion 555 brblack
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__init_uvar fish_color_user brgreen
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__init_uvar fish_color_host normal
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__init_uvar fish_color_host_remote yellow
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__init_uvar fish_color_valid_path --underline
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__init_uvar fish_color_status red
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__init_uvar fish_color_cwd green
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__init_uvar fish_color_cwd_root red
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# Background color for search matches
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__init_uvar fish_color_search_match bryellow --background=brblack
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# Background color for selections
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__init_uvar fish_color_selection white --bold --background=brblack
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# XXX fish_color_cancel was added in 2.6, but this was added to post-2.3 initialization
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# when 2.4 and 2.5 were already released
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__init_uvar fish_color_cancel -r
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# Pager colors
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__init_uvar fish_pager_color_prefix white --bold --underline
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__init_uvar fish_pager_color_completion
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__init_uvar fish_pager_color_description B3A06D yellow
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__init_uvar fish_pager_color_progress brwhite --background=cyan
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#
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# Directory history colors
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#
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__init_uvar fish_color_history_current --bold
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end
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#
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# Generate man page completions if not present.
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#
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# Don't do this if we're being invoked as part of running unit tests.
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if not set -q FISH_UNIT_TESTS_RUNNING
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# Check if our manpage completion script exists because some distros split it out.
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# (#7183)
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set -l script $__fish_data_dir/tools/create_manpage_completions.py
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if not test -d $__fish_user_data_dir/generated_completions; and test -e "$script"
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# Generating completions from man pages needs python (see issue #3588).
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# We cannot simply do `fish_update_completions &` because it is a function.
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# We cannot do `eval` since it is a function.
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# We don't want to call `fish -c` since that is unnecessary and sources config.fish again.
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# Hence we'll call python directly.
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# c_m_p.py should work with any python version.
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set -l update_args -B $__fish_data_dir/tools/create_manpage_completions.py --manpath --cleanup-in '~/.config/fish/completions' --cleanup-in '~/.config/fish/generated_completions'
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if set -l python (__fish_anypython)
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# Run python directly in the background and swallow all output
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$python $update_args >/dev/null 2>&1 &
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# Then disown the job so that it continues to run in case of an early exit (#6269)
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disown >/dev/null 2>&1
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end
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end
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end
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#
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# Print a greeting.
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# The default just prints a variable of the same name.
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#
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# NOTE: This status check is necessary to not print the greeting when `read`ing in scripts. See #7080.
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if status --is-interactive
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and functions -q fish_greeting
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fish_greeting
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end
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#
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# This event handler makes sure the prompt is repainted when
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# fish_color_cwd{,_root} changes value. Like all event handlers, it can't be
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# autoloaded.
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#
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set -l varargs --on-variable fish_key_bindings
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for var in user host{,_remote} cwd{,_root} status error
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set -a varargs --on-variable fish_color_$var
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end
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function __fish_repaint $varargs -d "Event handler, repaints the prompt when fish_color_cwd* changes"
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if status --is-interactive
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commandline -f repaint 2>/dev/null
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end
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end
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#
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# Completions for SysV startup scripts. These aren't bound to any
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# specific command, so they can't be autoloaded.
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#
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if test -d /etc/init.d
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complete -x -p "/etc/init.d/*" -a start --description 'Start service'
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complete -x -p "/etc/init.d/*" -a stop --description 'Stop service'
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complete -x -p "/etc/init.d/*" -a status --description 'Print service status'
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complete -x -p "/etc/init.d/*" -a restart --description 'Stop and then start service'
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complete -x -p "/etc/init.d/*" -a reload --description 'Reload service configuration'
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end
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#
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# We want to show our completions for the [ (test) builtin, but
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# we don't want to create a [.fish. test.fish will not be loaded until
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# the user tries [ interactively.
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#
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complete -c [ --wraps test
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complete -c ! --wraps not
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#
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# Only a few builtins take filenames; initialize the rest with no file completions
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#
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complete -c(builtin -n | string match -rv '(\.|:|source|cd|contains|count|echo|exec|printf|random|realpath|set|\\[|test|for)') --no-files
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# Reload key bindings when binding variable change
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function __fish_reload_key_bindings -d "Reload key bindings when binding variable change" --on-variable fish_key_bindings
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# Make sure some key bindings are set
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__init_uvar fish_key_bindings fish_default_key_bindings
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# Do nothing if the key bindings didn't actually change.
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# This could be because the variable was set to the existing value
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# or because it was a local variable.
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# If fish_key_bindings is empty on the first run, we still need to set the defaults.
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if test "$fish_key_bindings" = "$__fish_active_key_bindings" -a -n "$fish_key_bindings"
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return
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end
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# Check if fish_key_bindings is a valid function.
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# If not, either keep the previous bindings (if any) or revert to default.
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# Also print an error so the user knows.
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if not functions -q "$fish_key_bindings"
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echo "There is no fish_key_bindings function called: '$fish_key_bindings'" >&2
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# We need to see if this is a defined function, otherwise we'd be in an endless loop.
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if functions -q $__fish_active_key_bindings
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echo "Keeping $__fish_active_key_bindings" >&2
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# Set the variable to the old value so this error doesn't happen again.
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set fish_key_bindings $__fish_active_key_bindings
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return 1
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else if functions -q fish_default_key_bindings
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echo "Reverting to default bindings" >&2
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set fish_key_bindings fish_default_key_bindings
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# Return because we are called again
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return 0
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else
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# If we can't even find the default bindings, something is broken.
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# Without it, we would eventually run into the stack size limit, but that'd print hundreds of duplicate lines
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# so we should give up earlier.
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echo "Cannot find fish_default_key_bindings, falling back to very simple bindings." >&2
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echo "Most likely something is wrong with your installation." >&2
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return 0
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end
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end
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set -g __fish_active_key_bindings "$fish_key_bindings"
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set -g fish_bind_mode default
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if test "$fish_key_bindings" = fish_default_key_bindings
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# Redirect stderr per #1155
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fish_default_key_bindings 2>/dev/null
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else
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$fish_key_bindings 2>/dev/null
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end
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# Load user key bindings if they are defined
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if functions --query fish_user_key_bindings >/dev/null
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fish_user_key_bindings 2>/dev/null
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end
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end
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# Load key bindings
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__fish_reload_key_bindings
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# Enable bracketed paste exception when running unit tests so we don't have to add
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# the sequences to bind.expect
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if not set -q FISH_UNIT_TESTS_RUNNING
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# Enable bracketed paste before every prompt (see __fish_shared_bindings for the bindings).
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# Enable bracketed paste when the read builtin is used.
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function __fish_enable_bracketed_paste --on-event fish_prompt --on-event fish_read
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printf "\e[?2004h"
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end
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# Disable BP before every command because that might not support it.
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function __fish_disable_bracketed_paste --on-event fish_preexec --on-event fish_exit
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printf "\e[?2004l"
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end
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# Tell the terminal we support BP. Since we are in __f_c_i, the first fish_prompt
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# has already fired.
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__fish_enable_bracketed_paste
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end
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# Similarly, enable TMUX's focus reporting when in tmux.
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# This will be handled by
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# - The keybindings (reading the sequence and triggering an event)
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# - Any listeners (like the vi-cursor)
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if set -q TMUX
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and not set -q FISH_UNIT_TESTS_RUNNING
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function __fish_enable_focus --on-event fish_postexec
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echo -n \e\[\?1004h
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end
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function __fish_disable_focus --on-event fish_preexec
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echo -n \e\[\?1004l
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end
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# Note: Don't call this initially because, even though we're in a fish_prompt event,
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# tmux reacts sooo quickly that we'll still get a sequence before we're prepared for it.
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# So this means that we won't get focus events until you've run at least one command, but that's preferable
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# to always seeing `^[[I` when starting fish.
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# __fish_enable_focus
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end
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function __fish_winch_handler --on-signal WINCH -d "Repaint screen when window changes size"
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# VTE reflows the text itself, so us doing it inevitably races against it.
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# Guidance from the VTE developers is to let them repaint.
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if set -q VTE_VERSION
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return
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end
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# Same for alacritty
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if string match -q -- 'alacritty*' $TERM
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return
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end
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commandline -f repaint >/dev/null 2>/dev/null
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end
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# Notify terminals when $PWD changes (issue #906).
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# VTE based terminals, Terminal.app, iTerm.app (TODO), and foot support this.
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if not set -q FISH_UNIT_TESTS_RUNNING
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and test 0"$VTE_VERSION" -ge 3405 -o "$TERM_PROGRAM" = Apple_Terminal -a (string match -r '\d+' 0"$TERM_PROGRAM_VERSION") -ge 309 -o "$TERM" = foot
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function __update_cwd_osc --on-variable PWD --description 'Notify capable terminals when $PWD changes'
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if status --is-command-substitution || set -q INSIDE_EMACS
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return
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end
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printf \e\]7\;file://%s%s\a $hostname (string escape --style=url $PWD)
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end
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__update_cwd_osc # Run once because we might have already inherited a PWD from an old tab
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end
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# Bump this whenever some code below needs to run once when upgrading to a new version.
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# The universal variable __fish_initialized is initialized in share/config.fish.
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set __fish_initialized 3100
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end
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