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Overhaul completions for set and add new completions for set -e

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Now the description includes the variable scope, `set [-e] -[Ugl]`
completions only provide variables matching that scope, and completions
that shouldn't be modified are hidden from the user. Completions that
are often modified but rarely unset (`fish_*` variables) are omitted
from `set -e` completions.

A new helper function `__fish_seen_argument` has been added that makes
it easy to only provied completions for a specific flag.
This commit is contained in:
Mahmoud Al-Qudsi 2018-04-03 14:40:51 -05:00
parent cc50103e53
commit c492d03f51
2 changed files with 41 additions and 3 deletions
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22
share/completions/set.fish
View file

@ -40,6 +40,7 @@ function __fish_set_is_locale -d 'Test if We are specifying a locale value for t
return 0
case '-*'
continue
case '*'
return 1
@ -65,9 +66,25 @@ complete -c set -n '__fish_is_first_token' -s q -l query -d "Test if variable is
complete -c set -n '__fish_is_first_token' -s h -l help -d "Display help and exit"
complete -c set -n '__fish_is_first_token' -s n -l names -d "List the names of the variables, but not their value"
#TODO: add CPP code to generate list of read-only variables and exclude them from the following completions
# Complete using preexisting variable names
complete -c set -n '__fish_is_first_token' -x -a "(set|sed -e 's/ /'\t'Variable: /')"
complete -c set -n '__fish_is_first_token; and not __fish_seen_argument -s e -l erase; and not __fish_seen_argument -s l -s g -s U -l local -l global -l universal' -x -a "(set -l | string match -rv '^__' | string replace ' ' \t'Local Variable: ')"
complete -c set -n '__fish_is_first_token; and not __fish_seen_argument -s e -l erase; and not __fish_seen_argument -s l -s g -s U -l local -l global -l universal' -x -a "(set -g | string match -rv '^__' | string replace ' ' \t'Global Variable: ')"
complete -c set -n '__fish_is_first_token; and not __fish_seen_argument -s e -l erase; and not __fish_seen_argument -s l -s g -s U -l local -l global -l universal' -x -a "(set -U | string match -rv '^__' | string replace ' ' \t'Universal Variable: ')"
# Complete scope-specific variables
complete -c set -n '__fish_is_first_token; and __fish_seen_argument -s l -l local' -x -a "(set -l | string match -rv '^__' | string replace ' ' \t'Local Variable: ')"
complete -c set -n '__fish_is_first_token; and __fish_seen_argument -s g -l global' -x -a "(set -g | string match -rv '^__' | string replace ' ' \t'Global Variable: ')"
complete -c set -n '__fish_is_first_token; and __fish_seen_argument -s U -l universal' -x -a "(set -U | string match -rv '^__' | string replace ' ' \t'Universal Variable: ')"
# Complete using preexisting variable names for `set --erase`
complete -c set -n '__fish_seen_argument -s e -l erase; and not __fish_seen_argument -s l -s U -s g -l local -l global -l Universal' -f -a "(set -g | string match -rv '^_|^fish_' | string replace ' ' \tGlobal\ Variable:\ )"
complete -c set -n '__fish_seen_argument -s e -l erase; and not __fish_seen_argument -s l -s U -s g -l local -l global -l Universal' -f -a "(set -l | string match -rv '^_|^fish_' | string replace ' ' \tLocal\ Variable:\ )"
complete -c set -n '__fish_seen_argument -s e -l erase; and not __fish_seen_argument -s l -s U -s g -l local -l global -l Universal' -f -a "(set -U | string match -rv '^_|^fish_' | string replace ' ' \tUniversal\ Variable:\ )"
# Complete scope-specific variables for `set --erase`
complete -c set -n '__fish_seen_argument -s e -l erase; and __fish_seen_argument -s g -l global' -f -a "(set -g | string match -rv '^_|^fish_' | string replace ' ' \t'Global Variable: ')"
complete -c set -n '__fish_seen_argument -s e -l erase; and __fish_seen_argument -s U -l universal' -f -a "(set -u | string match -rv '^_|^fish_' | string replace ' ' \t'Universal Variable: ')"
complete -c set -n '__fish_seen_argument -s e -l erase; and __fish_seen_argument -s l -l local' -f -a "(set -l | string match -rv '^_|^fish_' | string replace ' ' \t'Local Variable: ')"
# Color completions
complete -c set -n '__fish_set_is_color' -x -a '(set_color --print-colors)' -d Color
@ -75,6 +92,5 @@ complete -c set -n '__fish_set_is_color' -s b -l background -x -a '(set_color --
complete -c set -n '__fish_set_is_color' -s o -l bold -d 'Make font bold'
# Locale completions
complete -c set -n '__fish_is_first_token' -x -a '$__fish_locale_vars' -d 'Locale variable'
complete -c set -n '__fish_set_is_locale' -x -a '(locale -a)' -d (_ "Locale")
complete -c set -n '__fish_set_is_locale; and not __fish_seen_argument -s e -l erase' -x -a '(locale -a)' -d (_ "Locale")
complete -c set -s L -l long -d 'Do not truncate long lines'

22
share/functions/__fish_seen_argument.fish Normal file
View file

@ -0,0 +1,22 @@
function __fish_seen_argument
argparse 's/short=+' 'l/long=+' -- $argv
set cmd (commandline -co)
set -e cmd[1]
for t in $cmd
for s in $_flag_s
if string match -qr "^-[A-z0-9]*"$s"[A-z0-9]*\$" -- $t
return 0
end
end
for l in $_flag_l
if string match -q "--$l" -- $t
return 0
end
end
end
return 1
end