mirror of
https://github.com/fish-shell/fish-shell
synced 2024-12-27 05:13:10 +00:00
6288f89bf9
instead add a bit of information on how fish's configuration works for the admin to etc/config.fish. This means that fish is fully functional without /etc, which might be nice for "stateless" systems.
207 lines
6.4 KiB
Fish
207 lines
6.4 KiB
Fish
#
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# Main file for fish command completions. This file contains various
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# common helper functions for the command completions. All actual
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# completions are located in the completions subdirectory.
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#
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#
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# Set default field separators
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#
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set -g IFS \n\ \t
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#
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# Create the default command_not_found handler
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#
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function __fish_default_command_not_found_handler
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echo "fish: Unknown command '$argv'" >&2
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end
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#
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# Hook up the default as the principal command_not_found handler
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# in case we are not interactive
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#
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status -i; or function __fish_command_not_found_handler --on-event fish_command_not_found
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__fish_default_command_not_found_handler $argv
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end
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#
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# Set default search paths for completions and shellscript functions
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# unless they already exist
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#
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set -l configdir ~/.config
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if set -q XDG_CONFIG_HOME
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set configdir $XDG_CONFIG_HOME
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end
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set -l userdatadir ~/.local/share
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if set -q XDG_DATA_HOME
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set userdatadir $XDG_DATA_HOME
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end
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# __fish_datadir, __fish_sysconfdir, __fish_help_dir, __fish_bin_dir
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# are expected to have been set up by read_init from fish.cpp
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# Set up function and completion paths. Make sure that the fish
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# default functions/completions are included in the respective path.
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if not set -q fish_function_path
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set fish_function_path $configdir/fish/functions $__fish_sysconfdir/functions $__fish_datadir/vendor_functions.d $__fish_datadir/functions
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end
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if not contains $__fish_datadir/functions $fish_function_path
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set fish_function_path $fish_function_path $__fish_datadir/functions
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end
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if not set -q fish_complete_path
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set fish_complete_path $configdir/fish/completions $__fish_sysconfdir/completions $__fish_datadir/vendor_completions.d $__fish_datadir/completions $userdatadir/fish/generated_completions
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end
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if not contains $__fish_datadir/completions $fish_complete_path
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set fish_complete_path $fish_complete_path $__fish_datadir/completions
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end
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#
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# This is a Solaris-specific test to modify the PATH so that
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# Posix-conformant tools are used by default. It is separate from the
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# other PATH code because this directory needs to be prepended, not
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# appended, since it contains POSIX-compliant replacements for various
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# system utilities.
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#
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if test -d /usr/xpg4/bin
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if not contains /usr/xpg4/bin $PATH
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set PATH /usr/xpg4/bin $PATH
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end
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end
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# OS X-ism: Load the path files out of /etc/paths and /etc/paths.d/*
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set -g __fish_tmp_path $PATH
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function __fish_load_path_helper_paths
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# We want to rearrange the path to reflect this order. Delete that path component if it exists and then prepend it.
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# Since we are prepending but want to preserve the order of the input file, we reverse the array, append, and then reverse it again
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set __fish_tmp_path $__fish_tmp_path[-1..1]
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while read -l new_path_comp
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if test -d $new_path_comp
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set -l where (contains -i $new_path_comp $__fish_tmp_path)
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and set -e __fish_tmp_path[$where]
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set __fish_tmp_path $new_path_comp $__fish_tmp_path
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end
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end
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set __fish_tmp_path $__fish_tmp_path[-1..1]
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end
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test -r /etc/paths ; and __fish_load_path_helper_paths < /etc/paths
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for pathfile in /etc/paths.d/* ; __fish_load_path_helper_paths < $pathfile ; end
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set -xg PATH $__fish_tmp_path
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set -e __fish_tmp_path
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functions -e __fish_load_path_helper_paths
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# Add a handler for when fish_user_path changes, so we can apply the same changes to PATH
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# Invoke it immediately to apply the current value of fish_user_path
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function __fish_reconstruct_path -d "Update PATH when fish_user_paths changes" --on-variable fish_user_paths
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set -l local_path $PATH
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set -l x
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for x in $__fish_added_user_paths
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set -l idx (contains --index $x $local_path)
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and set -e local_path[$idx]
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end
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set -e __fish_added_user_paths
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for x in $fish_user_paths[-1..1]
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if set -l idx (contains --index $x $local_path)
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set -e local_path[$idx]
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else
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set -g __fish_added_user_paths $__fish_added_user_paths $x
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end
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set local_path $x $local_path
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end
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set -xg PATH $local_path
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end
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__fish_reconstruct_path
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#
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# Launch debugger on SIGTRAP
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#
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function fish_sigtrap_handler --on-signal TRAP --no-scope-shadowing --description "Signal handler for the TRAP signal. Launches a debug prompt."
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breakpoint
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end
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#
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# Whenever a prompt is displayed, make sure that interactive
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# mode-specific initializations have been performed.
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# This handler removes itself after it is first called.
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#
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function __fish_on_interactive --on-event fish_prompt
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__fish_config_interactive
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functions -e __fish_on_interactive
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end
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# "." command for compatibility with old fish versions.
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function . --description 'Evaluate contents of file (deprecated, see "source")' --no-scope-shadowing
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if begin
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test (count $argv) -eq 0
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# Uses tty directly, as isatty depends on "."
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and tty 0>&0 >/dev/null
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end
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echo "source: '.' command is deprecated, and doesn't work with STDIN anymore. Did you mean 'source' or './'?" >&2
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return 1
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else
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source $argv
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end
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end
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# As last part of initialization, source the conf directories
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# Implement precedence (User > Admin > Vendors > Fish) by basically doing "basename"
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set -l sourcelist
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for file in $configdir/fish/conf.d/* $__fish_sysconfdir/conf.d/* $__fish_datadir/vendor_conf.d/*
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set -l basename (string replace -r '^.*/' '' -- $file)
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contains -- $basename $sourcelist; and continue
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set sourcelist $sourcelist $basename
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# Also skip non-files or unreadable files
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# This allows one to use e.g. symlinks to /dev/null to "mask" something (like in systemd)
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[ -f $file -a -r $file ]; and source $file
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end
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# Upgrade pre-existing abbreviations from the old "key=value" to the new "key value" syntax
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# This needs to be in share/config.fish because __fish_config_interactive is called after sourcing config.fish, which might contain abbr calls
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if not set -q __fish_init_2_3_0
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set -l fab
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for abb in $fish_user_abbreviations
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set fab $fab (string replace -r '^([^ =]+)=(.*)$' '$1 $2' -- $abb)
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end
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set fish_user_abbreviations $fab
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set -U __fish_init_2_3_0
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end
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#
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# Some things should only be done for login terminals
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# This used to be in etc/config.fish - keep it here to keep the semantics
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#
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if status --is-login
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# Check for i18n information in
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# /etc/sysconfig/i18n
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if test -f /etc/sysconfig/i18n
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string match -r '^[a-zA-Z]*=.*' < /etc/sysconfig/i18n | while read -l line
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set -gx (string split '=' -m 1 -- $line | string replace -ra '"([^"]+)"' '$1' | string replace -ra "'([^']+)'" '$1')
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end
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end
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#
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# Put linux consoles in unicode mode.
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#
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if test "$TERM" = linux
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if string match -qir '\.UTF' -- $LANG
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if command -s unicode_start >/dev/null
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unicode_start
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end
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end
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end
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end
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