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ssh kitten: Fix zsh shell integration expanding variables in title

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Remove usage of the `-P` option from the print inside the
`_ksi_precmd` and `_ksi_preexec` functions. Instead, the result of
`builtin print -Pn "%m"` is stored in the local variable `hostname`.
This mitigates accidental expansion of variables in the command to be
executed.

Fixes #8193.
This commit is contained in:
Jonas Drotleff
2025-01-05 02:21:09 +01:00
parent 6fbeb939de
commit bfbf22eae4
1 changed files with 7 additions and 2 deletions
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9
shell-integration/zsh/kitty-integration
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@@ -268,10 +268,15 @@ _ksi_deferred_init() {
if [[ "$is_ssh_session" == "y" ]]; then
# show the hostname via %m for SSH sessions
builtin local hostname="$(builtin print -Pn "%m")"
# The variable `hostname` is used such that we don't have to use
# the -P option in the two print commands below. This mitigating
# accidental variable expansion, e.g. of the variables in the
# command string (V).
functions[_ksi_precmd]+="
builtin print -Prnu $_ksi_fd \$'\\e]2;'\"%m: \${(%):-%(4~|…/%3~|%~)}\"\$'\\a'"
builtin print -rnu $_ksi_fd \$'\\e]2;'\"$hostname: \${(%):-%(4~|…/%3~|%~)}\"\$'\\a'"
functions[_ksi_preexec]+="
builtin print -Prnu $_ksi_fd \$'\\e]2;'\"%m: \${(V)1}\"\$'\\a'"
builtin print -rnu $_ksi_fd \$'\\e]2;'\"$hostname: \${(V)1}\"\$'\\a'"
else
functions[_ksi_precmd]+="
builtin print -rnu $_ksi_fd \$'\\e]2;'\"\${(%):-%(4~|…/%3~|%~)}\"\$'\\a'"