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Improved trailing newline handling in the fish shell integration

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Thanks to some assistance from @faho
See https://github.com/kovidgoyal/kitty/issues/4032#issuecomment-919936913
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Kovid Goyal 2021-09-15 21:06:28 +05:30
parent 0a56ab7a1e
commit f277cbf3f3
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1 changed files with 7 additions and 2 deletions
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shell-integration/kitty.fish
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@ -60,8 +60,13 @@ function _ksi_main
function _ksi_end_prompt
set --local cmd_status "$status"
set --local op (_ksi_original_fish_prompt | string collect) # trim trailing newlines to mimic fish behavior
printf "%s" "$op"
# fish trims one trailing newline from the output of fish_prompt, so
# we need to do the same. See https://github.com/kovidgoyal/kitty/issues/4032
set --local op (_ksi_original_fish_prompt) # op is an array because fish splits on newlines in command substitution
if set -q op[2]
printf '%s\n' $op[1..-2] # print all but last element of array, each followed by a new line
end
printf '%s' $op[-1] # print the last component without a newline
set --global _ksi_prompt_state "prompt_end"
_ksi_mark "B"
return "$cmd_status" # preserve the value of $status