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prompt_pwd: zero fork prompt in general case

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Now only one fork (uname) occurs on first load.
This commit is contained in:
Ian Ray 2015-09-30 23:59:46 +03:00 committed by Fabian Homborg
parent aeaacedf75
commit 16061d06a9
1 changed files with 9 additions and 8 deletions
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17
share/functions/prompt_pwd.fish
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@ -1,14 +1,15 @@
set -l args_pre
set -l args_post
set -l s1
set -l r1
switch (uname)
case Darwin
set args_pre $args_pre -e 's|^/private/|/|'
set s1 '^/private/'
set r1 /
case 'CYGWIN_*'
set args_pre $args_pre -e 's|^/cygdrive/\(.\)|\1/:|'
set args_post $args_post -e 's-^\([^/]\)/:/\?-\u\1:/-'
set s1 '^/cygdrive/(.)'
set r1 '$1:'
end
function prompt_pwd -V args_pre -V args_post --description "Print the current working directory, shortened to fit the prompt"
set -l realhome ~
echo $PWD | sed -e "s|^$realhome\$|~|" -e "s|^$realhome/|~/|" $args_pre -e 's-\([^/.]\)[^/]*/-\1/-g' $args_post
function prompt_pwd -V s1 -V r1 --description "Print the current working directory, shortened to fit the prompt"
set realhome ~
string replace -r '^'"$realhome"'($|/)' '~$1' $PWD | string replace -r "$s1" "$r1" | string replace -ar '([^/.])[^/]*/' '$1/'
end