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bash/zsh integration: Show hostname in title when in an SSH session

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Kovid Goyal 2022-03-04 10:44:32 +05:30
parent 108ccffcd8
commit da30536709
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GPG Key ID: 06BC317B515ACE7C
2 changed files with 21 additions and 8 deletions
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10
shell-integration/bash/kitty.bash
View File

@ -6,7 +6,10 @@ if [[ -z "$KITTY_SHELL_INTEGRATION" ]]; then builtin return; fi
# this is defined outside _ksi_main to make it global without using declare -g
# which is not available on older bash
builtin declare -A _ksi_prompt
_ksi_prompt=( [cursor]='y' [title]='y' [mark]='y' [complete]='y' [ps0]='' [ps0_suffix]='' [ps1]='' [ps1_suffix]='' [ps2]='' )
_ksi_prompt=(
[cursor]='y' [title]='y' [mark]='y' [complete]='y' [ps0]='' [ps0_suffix]='' [ps1]='' [ps1_suffix]='' [ps2]=''
[hostname_prefix]=''
)
_ksi_main() {
for i in ${KITTY_SHELL_INTEGRATION[@]}; do
@ -133,9 +136,10 @@ _ksi_main() {
fi
if [[ "${_ksi_prompt[title]}" == "y" ]]; then
[[ "$(builtin command who -m 2> /dev/null)" =~ "\([a-fA-F.:0-9]+\)$" ]] && _ksi_prompt[hostname_prefix]="\h: "
# see https://www.gnu.org/software/bash/manual/html_node/Controlling-the-Prompt.html#Controlling-the-Prompt
# we use suffix here because some distros add title setting to their bashrc files by default
_ksi_prompt[ps1_suffix]+="\[\e]2;\w\a\]"
_ksi_prompt[ps1_suffix]+="\[\e]2;${_ksi_prompt[hostname_prefix]}\w\a\]"
if [[ "$HISTCONTROL" == *"ignoreboth"* ]] || [[ "$HISTCONTROL" == *"ignorespace"* ]]; then
_ksi_debug_print "ignoreboth or ignorespace present in bash HISTCONTROL setting, showing running command in window title will not be robust"
fi
@ -144,7 +148,7 @@ _ksi_main() {
last_cmd=$(HISTTIMEFORMAT= builtin history 1)
last_cmd="${last_cmd#*[[:digit:]]*[[:space:]]}" # remove leading history number
last_cmd="${last_cmd#"${last_cmd%%[![:space:]]*}"}" # remove remaining leading whitespace
builtin printf "\e]2;%s\a" "${last_cmd//[[:cntrl:]]}" # remove any control characters
builtin printf "\e]2;%s%s\a" "${_ksi_prompt[hostname_prefix]@P}" "${last_cmd//[[:cntrl:]]}" # remove any control characters
}
_ksi_prompt[ps0_suffix]+='$(_ksi_get_current_command)'
fi

19
shell-integration/zsh/kitty-integration
View File

@ -64,7 +64,7 @@ typeset -gi _ksi_fd
# Asks kitty to print $@ to its STDOUT. This is for debugging.
_ksi_debug_print() {
builtin local data
data=$(command base64 <<<"${(j: :)@}") || builtin return
data=$(builtin command base64 <<<"${(j: :)@}") || builtin return
# Removing all spaces rather than just \n allows this code to
# work on broken systems where base64 outputs \r\n.
builtin print -nu "$_ksi_fd" '\eP@kitty-print|'"${data//[[:space:]]}"'\e\\'
@ -232,10 +232,19 @@ _ksi_deferred_init() {
# We use (V) in preexec to convert control characters to something visible
# (LF becomes \n, etc.). This isn't necessary in precmd because (%) does it
# for us.
functions[_ksi_precmd]+="
builtin print -rnu $_ksi_fd \$'\\e]2;'\"\${(%):-%(4~|…/%3~|%~)}\"\$'\\a'"
functions[_ksi_preexec]+="
builtin print -rnu $_ksi_fd \$'\\e]2;'\"\${(V)1}\"\$'\\a'"
if [[ "$(builtin command who -m 2> /dev/null)" =~ "\([a-fA-F.:0-9]+\)$" ]]; then
# show the hostname via %m for SSH sessions
functions[_ksi_precmd]+="
builtin print -Prnu $_ksi_fd \$'\\e]2;'\"%m: \${(%):-%(4~|…/%3~|%~)}\"\$'\\a'"
functions[_ksi_preexec]+="
builtin print -Prnu $_ksi_fd \$'\\e]2;'\"%m: \${(V)1}\"\$'\\a'"
else
functions[_ksi_precmd]+="
builtin print -rnu $_ksi_fd \$'\\e]2;'\"\${(%):-%(4~|…/%3~|%~)}\"\$'\\a'"
functions[_ksi_preexec]+="
builtin print -rnu $_ksi_fd \$'\\e]2;'\"\${(V)1}\"\$'\\a'"
fi
fi
# Enable cursor shape changes depending on the current keymap.