dotfiles/.config/fish/functions/construct_column_aware_prompt.fish

43 lines
1.7 KiB
Fish

function construct_column_aware_prompt -a prompt_prefix prompt_dir
set -l prompt_concat "$prompt_prefix$prompt_dir"
if test (expr length "$prompt_concat") -le $COLUMNS
echo $prompt_prefix$prompt_dir
else
if test (expr length "$prompt_prefix") -le $COLUMNS
set -l split_prompt_concat (string split "/" $prompt_dir)
if test (count $split_prompt_concat) -lt 2
echo (string sub -s 1 -l (math $COLUMNS - (expr length "$prompt_prefix")) $prompt_dir)
else
for i in (seq (count $split_prompt_concat))
if test (expr length "> $split_prompt_concat[$i]/") -gt $COLUMNS
set split_prompt_concat[$i] (string sub -s 1 -l (math $COLUMNS - 8) $split_prompt_concat[$i])'[...]'
end
end
set -l tmp_lines "$prompt_prefix"
for item in $split_prompt_concat
set -l tmp_line "$tmp_lines$item/"
if test (expr length "$tmp_line") -le $COLUMNS
set tmp_lines $tmp_line
else
echo $tmp_lines
set tmp_lines "> $item/"
end
end
set -l tmp_lines_length (expr length "$tmp_lines")
if test $tmp_lines_length -gt 0
echo (string sub -s 1 -l (math $tmp_lines_length - 1) $tmp_lines)
end
end
else
set -l rec (construct_column_aware_prompt "" $prompt_dir)
for item in rec
echo $item
end
end
end
end