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Implement edit-in-kitty for fish

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Kovid Goyal 2022-05-28 11:12:11 +05:30
parent 0893d7164a
commit 75942fb47e
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 88 additions and 2 deletions
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90
shell-integration/fish/vendor_conf.d/kitty-shell-integration.fish
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@ -155,7 +155,7 @@ function __ksi_schedule --on-event fish_prompt -d "Setup kitty integration after
end
end
function _ksi_transmit_data -d "Transmit data to kitty using chunked DCS escapes"
function __ksi_transmit_data -d "Transmit data to kitty using chunked DCS escapes"
set --local data_len (string length -- "$argv[1]")
set --local pos 1
set --local chunk_num 0
@ -188,5 +188,91 @@ function clone-in-kitty -d "Clone the current fish session into a new kitty wind
set --local b64_cwd (printf "%s" "$PWD" | base64)
set --prepend data "shell=fish" "pid=$fish_pid" "cwd=$b64_cwd" "env=$b64_envs"
set data (string join "," -- $data | tr -d "\t\n\r ")
_ksi_transmit_data "$data" "clone"
__ksi_transmit_data "$data" "clone"
end
function edit-in-kitty -d "Edit the specified file in a new kitty overlay using your preferred editor, even over SSH"
set --local data
set --local ed_filename ""
set --local usage "Usage: edit-in-kitty [OPTIONS] FILE"
for a in $argv
if contains -- "$a" -h --help
echo "$usage"
echo
echo "Edit the specified file in a kitty overlay window. Works over SSH as well."
echo
echo "For usage instructions see: https://sw.kovidgoyal.net/kitty/shell-integration/#edit-file"
return
end
set --local ea (printf "%s" "$a" | base64)
set --append data "a=$ea"
set ed_filename "$a"
end
if test -z "$ed_filename"
echo "$usage" > /dev/stderr
return 1
end
if test ! \( -r "$ed_filename" -a -w "$ed_filename" \)
echo "$ed_filename is not readable and writable" > /dev/stderr
return 1
end
if test ! -f "$ed_filename"
builtin echo "$ed_filename is not a file" > /dev/stderr
return 1
end
set --local stat_result (command stat -L --format '%d:%i:%s' "$ed_filename" 2> /dev/null)
if test "$status" -ne "0"
set stat_result (command stat -L -f '%d:%i:%z' "$ed_filename" 2> /dev/null)
end
if test -z "$stat_result"
echo "Failed to stat the file: $ed_filename" > /dev/stderr
return 1
end
set --append data "file_inode=$stat_result"
set --local file_size (string match -rg '\d+:\d+:(\d+)' "$stat_result")
test "$file_size" -gt (math "8 * 1024 * 1024") && begin; echo "File is too large for performant editing"; return 1; end;
set --local file_data (command base64 < "$ed_filename")
set --append data "file_data=$file_data"
__ksi_transmit_data (string join "," -- $data | tr -d "\t\n\r ") "edit"
echo "Waiting for editing to be completed..."
set --global __ksi_waiting_for_edit "y"
set --erase data
function __ksi_react_to_interrupt -s SIGINT
if test "$__ksi_waiting_for_edit" = "y"
set --erase __ksi_waiting_for_edit
__ksi_transmit_data "abort_signaled=interrupt" "edit"
end
end
while true
set --local started "n"
while true
command stty "-echo"; set --local line (command head -n1 < /dev/tty);
test -z "$line" && break
if test "$started" = "y"
test "$line" = "UPDATE" && break;
if test "$line" = "DONE"
set started "done"; break;
end
printf "%s\n" "$line" > /dev/stderr;
return 1;
else
test "$line" = "KITTY_DATA_START" && set started "y"
end
end
test "$started" = "n" && continue;
set --local data ""
while true
command stty "-echo"; set --local line (command head -n1 < /dev/tty);
test -z "$line" && break
test "$line" = "KITTY_DATA_END" && break;
set data "$data$line"
end
if test -n "$data" -a "$started" != "done"
echo "Updating $ed_filename..."
printf "%s" "$data" | command base64 -d > "$ed_filename"
end
test "$started" = "done" && break;
end
set --erase __ksi_waiting_for_edit
functions --erase __ksi_react_to_interrupt
end