mirror of
https://github.com/fish-shell/fish-shell.git
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95aeb16ca2
This mode still has some problems (see the next commit) but having it behind a feature flag doesn't serve us. Let's commit to the parts we want to keep and drop anything that we don't want. To reduce diff noise, use "if false" in the code paths used by man pages; a following commit will use them.
220 lines
7.3 KiB
Fish
220 lines
7.3 KiB
Fish
# This file does some internal fish setup.
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# It is not recommended to remove or edit it.
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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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set -qg __fish_added_user_paths
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or set -g __fish_added_user_paths
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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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printf (_ "fish: Unknown command: %s\n") (string escape -- $argv[1]) >&2
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end
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if not status --is-interactive
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# Hook up the default as the command_not_found handler
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# if we are not interactive to avoid custom handlers.
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function fish_command_not_found --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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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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# Grab extra directories (as specified by the build process, usually for
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# third-party packages to ship completions &c.
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set -l __extra_completionsdir
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set -l __extra_functionsdir
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set -l __extra_confdir
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__fish_data_with_file __fish_build_paths.fish source
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# Compute the directories for vendor configuration. We want to include
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# all of XDG_DATA_DIRS, as well as the __extra_* dirs defined above.
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set -l xdg_data_dirs
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if set -q XDG_DATA_DIRS
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set --path xdg_data_dirs $XDG_DATA_DIRS
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set xdg_data_dirs (string replace -r '([^/])/$' '$1' -- $xdg_data_dirs)/fish
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end
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set -g __fish_vendor_completionsdirs
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set -g __fish_vendor_functionsdirs
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set -g __fish_vendor_confdirs
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# Don't load vendor directories when running unit tests
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if not set -q FISH_UNIT_TESTS_RUNNING
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set __fish_vendor_completionsdirs $__fish_user_data_dir/vendor_completions.d $xdg_data_dirs/vendor_completions.d
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set __fish_vendor_functionsdirs $__fish_user_data_dir/vendor_functions.d $xdg_data_dirs/vendor_functions.d
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set __fish_vendor_confdirs $__fish_user_data_dir/vendor_conf.d $xdg_data_dirs/vendor_conf.d
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# Ensure that extra directories are always included.
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if not contains -- $__extra_completionsdir $__fish_vendor_completionsdirs
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set -a __fish_vendor_completionsdirs $__extra_completionsdir
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end
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if not contains -- $__extra_functionsdir $__fish_vendor_functionsdirs
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set -a __fish_vendor_functionsdirs $__extra_functionsdir
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end
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if not contains -- $__extra_confdir $__fish_vendor_confdirs
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set -a __fish_vendor_confdirs $__extra_confdir
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end
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end
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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 $__fish_config_dir/functions $__fish_sysconf_dir/functions $__fish_vendor_functionsdirs
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end
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if not set -q fish_complete_path
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set fish_complete_path $__fish_config_dir/completions $__fish_sysconf_dir/completions $__fish_vendor_completionsdirs
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set -a fish_complete_path $__fish_cache_dir/generated_completions
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end
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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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function __fish_reconstruct_path -d "Update PATH when fish_user_paths changes" --on-variable fish_user_paths
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# Deduplicate $fish_user_paths
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# This should help with people appending to it in config.fish
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set -l new_user_path
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for path in (string split : -- $fish_user_paths)
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if not contains -- $path $new_user_path
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set -a new_user_path $path
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end
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end
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if test (count $new_user_path) -lt (count $fish_user_paths)
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# This will end up calling us again, so we return
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set fish_user_paths $new_user_path
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return
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end
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set -l local_path $PATH
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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 -g __fish_added_user_paths
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if set -q fish_user_paths
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# Explicitly split on ":" because $fish_user_paths might not be a path variable,
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# but $PATH definitely is.
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for x in (string split ":" -- $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 -ga __fish_added_user_paths $x
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end
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set -p local_path $x
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end
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end
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set -xg PATH $local_path
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end
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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 "TRAP handler: debug prompt"
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breakpoint
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end
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#
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# When a prompt is first displayed, make sure that interactive
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# mode-specific initializations have been performed.
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# This includes a `read` prompt, hence the fish_read event.
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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 --on-event fish_read
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# We erase this *first* so it can't be called again,
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# e.g. if fish_greeting calls "read".
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functions -e __fish_on_interactive
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__fish_config_interactive
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end
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# Set the locale if it isn't explicitly set. Allowing the lack of locale env vars to imply the
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# C/POSIX locale causes too many problems. Do this before reading the snippets because they might be
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# in UTF-8 (with non-ASCII characters).
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not set -q LANG # (fast path - no need to load the file if we have $LANG)
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and __fish_set_locale
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#
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# Some things should only be done for login terminals
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# This used to be in etc/config.fish - keep it here to keep the semantics
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#
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if status --is-login
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if command -sq /usr/libexec/path_helper
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__fish_macos_set_env PATH /etc/paths '/etc/paths.d'
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if test -n "$MANPATH"
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__fish_macos_set_env MANPATH /etc/manpaths '/etc/manpaths.d'
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end
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functions -e __fish_macos_set_env
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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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# TODO(terminal-workaround)
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if test "$TERM" = linux
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and string match -qir '\.UTF' -- $LANG
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and command -sq unicode_start
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unicode_start
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end
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end
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# Invoke this here to apply the current value of fish_user_path after
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# PATH is possibly set above.
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__fish_reconstruct_path
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# Allow %n job expansion to be used with fg/bg/wait
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# `jobs` is the only one that natively supports job expansion
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function __fish_expand_pid_args
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for arg in $argv
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if string match -qr '^%\d+$' -- $arg
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if not jobs -p $arg
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return 1
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end
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else
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printf "%s\n" $arg
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end
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end
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end
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for jobbltn in bg wait disown
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function $jobbltn -V jobbltn
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set -l args (__fish_expand_pid_args $argv)
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and builtin $jobbltn $args
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end
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end
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function fg
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set -l args (__fish_expand_pid_args $argv)
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and builtin fg $args[-1]
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end
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if command -q kill
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# Only define this if something to wrap exists
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# this allows a nice "command not found" error to be triggered.
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function kill
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set -l args (__fish_expand_pid_args $argv)
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and command kill $args
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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 > Extra (e.g. vendors) > Fish) by basically doing "basename".
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set -l sourcelist
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for file in $__fish_config_dir/conf.d/*.fish $__fish_sysconf_dir/conf.d/*.fish $__fish_vendor_confdirs/*.fish
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set -l basename (string replace -r '^.*/' '' -- $file)
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contains -- $basename $sourcelist
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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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test -f $file -a -r $file
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and source $file
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end
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