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small tweak to alias.fish: always add some prefix if in danger of infinite recursion

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Jan Kanis 2013-02-19 22:58:55 +01:00
parent e7c1cb7185
commit 2f43584727
1 changed files with 3 additions and 4 deletions
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7
share/functions/alias.fish
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@ -36,15 +36,14 @@ function alias --description "Legacy function for creating shellscript functions
end
# If we are shadowing an existing (internal or external) command, set the
# correct prefix. If $name is different from the command in $body, we assume
# the user knows what he/she is doing.
# Prevent the alias from immediately running into an infinite recursion if
# $body starts with the same command as $name.
switch $body
case $name $name\ \* $name\t\*
if contains $name (builtin --names)
set prefix builtin
else if which $name >/dev/null
else
set prefix command
end
end