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Add ability to customize the amount of path shortening in prompt_pwd

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Allows the length of each shortened path component to be customized by setting the `fish_prompt_pwd_dir_length` variable to the number of characters to include (plus a leading dot because that's special). Maintains the default behavior of shortening path components to just one character. You can also set `fish_prompt_pwd_dir_length` to an empty or invalid value or 0 to disable shortening completely.
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Gary Peck 2015-10-09 15:37:43 -07:00 committed by Fabian Homborg
parent d5f3a09ce9
commit 09bd938e25
1 changed files with 12 additions and 1 deletions
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13
share/functions/prompt_pwd.fish
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@ -1,4 +1,15 @@
function prompt_pwd --description "Print the current working directory, shortened to fit the prompt"
# This allows overriding fish_prompt_pwd_dir_length from the outside (global or universal) without leaking it
set -q fish_prompt_pwd_dir_length; or set -l fish_prompt_pwd_dir_length 1
# Replace $HOME with "~"
set realhome ~
string replace -r '^'"$realhome"'($|/)' '~$1' $PWD | string replace -ar '([^/.])[^/]*/' '$1/'
set -l tmp (string replace -r '^'"$realhome"'($|/)' '~$1' $PWD)
if [ $fish_prompt_pwd_dir_length -eq 0 ]
echo $tmp
else
# Shorten to at most $fish_prompt_pwd_dir_length characters per directory
string replace -ar '(\.?[^/]{'"$fish_prompt_pwd_dir_length"'})[^/]*/' '$1/' $tmp
end
end