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Tweak config.fish to only modify PATH once, for performance

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ridiculousfish 2013-02-01 17:18:12 -08:00
parent 818533f9f0
commit cd276030c1
1 changed files with 10 additions and 4 deletions
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14
share/config.fish
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@ -71,14 +71,20 @@ switch $USER
set path_list $path_list /sbin /usr/sbin /usr/local/sbin
end
#
# It's desirable to only modify PATH once, because fish will check it for validity,
# which performs disk I/O. Construct the new PATH locally.
#
set -l path_under_construction $PATH
for i in $path_list
if not contains $i $PATH
if test -d $i
set PATH $PATH $i
end
if begin ; not contains $i $path_under_construction ; and test -d $i ; end
set path_under_construction $path_under_construction $i
end
end
set PATH $path_under_construction
#
# Launch debugger on SIGTRAP
#