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trap: Remove superfluous helper functions and stringify

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This commit is contained in:
Fabian Boehm 2022-07-22 12:09:30 +02:00
parent 4bad88f0df
commit a6820cbe62
1 changed files with 7 additions and 25 deletions
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32
share/functions/trap.fish
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@ -1,20 +1,4 @@
# This defines a compatibility shim for the `trap` command found in other shells like bash and zsh.
function __trap_translate_signal
set -l upper (echo $argv[1]|tr a-z A-Z)
string replace -r '^SIG' '' -- $upper
end
function __trap_switch
switch $argv[1]
case EXIT exit
echo --on-event fish_exit
case '*'
echo --on-signal $argv[1]
end
end
function trap -d 'Perform an action when the shell receives a signal'
set -l options h/help l/list-signals p/print
argparse -n trap $options -- $argv
@ -52,8 +36,7 @@ function trap -d 'Perform an action when the shell receives a signal'
switch $mode
case clear
for i in $argv
set sig (__trap_translate_signal $i)
for sig in (string upper -- $argv | string replace -r '^SIG' '')
if test -n "$sig"
functions -e __trap_handler_$sig
end
@ -63,11 +46,12 @@ function trap -d 'Perform an action when the shell receives a signal'
set -l cmd $argv[1]
set -e argv[1]
for i in $argv
set -l sig (__trap_translate_signal $i)
set -l sw (__trap_switch $sig)
for sig in (string upper -- $argv | string replace -r '^SIG' '')
if test -n "$sig"
set -l sw --on-signal $sig
if string match -qi exit -- $sig
set sw --on-event fish_exit
end
echo "function __trap_handler_$sig $sw; $cmd; end" | source
else
return 1
@ -82,9 +66,7 @@ function trap -d 'Perform an action when the shell receives a signal'
set names (functions -na | string match "__trap_handler_*" | string replace '__trap_handler_' '')
end
for i in $names
set sig (__trap_translate_signal $i)
for sig in (string upper -- $names | string replace -r '^SIG' '')
if test -n "$sig"
functions __trap_handler_$i
else