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zsh: fix extra newlines with leading-newline prompts

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In our multiline prompt logic, skip the newline immediately after the
first mark to avoid introducing a double newline due to OSC 133;A's
fresh-line behavior.

Fixes: #11003
This commit is contained in:
Jon Parise
2026-03-04 12:41:55 -05:00
parent 53ef42266a
commit 9a3dbe10b0
1 changed files with 10 additions and 4 deletions
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14
src/shell-integration/zsh/ghostty-integration
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@@ -141,10 +141,16 @@ _ghostty_deferred_init() {
# - False negative (with prompt_subst): PS1='$mark1'
[[ $PS1 == *$mark1* ]] || PS1=${mark1}${PS1}
[[ $PS1 == *$markB* ]] || PS1=${PS1}${markB}
# Handle multiline prompts by marking continuation lines as
# secondary by replacing newlines with being prefixed
# with k=s
if [[ $PS1 == *$'\n'* ]]; then
# Handle multiline prompts by marking newline-separated
# continuation lines with k=s (mark2). We skip the newline
# immediately after mark1 to avoid introducing a double
# newline due to OSC 133;A's fresh-line behavior.
if [[ $PS1 == ${mark1}$'\n'* ]]; then
builtin local rest=${PS1#${mark1}$'\n'}
if [[ $rest == *$'\n'* ]]; then
PS1=${mark1}$'\n'${rest//$'\n'/$'\n'${mark2}}
fi
elif [[ $PS1 == *$'\n'* ]]; then
PS1=${PS1//$'\n'/$'\n'${mark2}}
fi