fish-shell/share/functions/fish_clipboard_paste.fish
Johannes Altmanninger 72fd328ad2 fish_clipboard_{copy,paste}: only use xsel/xclip if $DISPLAY is set
Ubuntu's fish package on WSL 1 has xsel as recommended dependency,
even though there is no X server available.  This change makes us
use Windows' native clipboard even when xsel is installed.
2021-07-23 20:55:07 +02:00

61 lines
2.3 KiB
Fish

function fish_clipboard_paste
set -l data
if type -q pbpaste
set data (pbpaste 2>/dev/null)
else if set -q WAYLAND_DISPLAY; and type -q wl-paste
set data (wl-paste 2>/dev/null)
else if set -q DISPLAY; and type -q xsel
set data (xsel --clipboard)
else if set -q DISPLAY; and type -q xclip
set data (xclip -selection clipboard -o)
else if type -q powershell.exe
set data (powershell.exe Get-Clipboard | string trim -r -c \r)
end
# Issue 6254: Handle zero-length clipboard content
if not string match -qr . -- "$data"
return 1
end
# Also split on \r to turn it into a newline,
# otherwise the output looks really confusing.
set data (string split \r -- $data)
# If the current token has an unmatched single-quote,
# escape all single-quotes (and backslashes) in the paste,
# in order to turn it into a single literal token.
#
# This eases pasting non-code (e.g. markdown or git commitishes).
set -l quote_state (__fish_tokenizer_state -- (commandline -ct | string collect))
if contains -- $quote_state single single-escaped
if status test-feature regex-easyesc
set data (string replace -ra "(['\\\])" '\\\\$1' -- $data)
else
set data (string replace -ra "(['\\\])" '\\\\\\\$1' -- $data)
end
else if not contains -- $quote_state double double-escaped
and set -q data[2]
# Leading whitespace in subsequent lines is unneded, since fish
# already indents. Also gets rid of tabs (issue #5274).
set -l tmp
for line in $data
switch $quote_state
case normal
set -a tmp (string trim -l -- $line)
case single single-escaped double double-escaped escaped
set -a tmp $line
end
set quote_state (__fish_tokenizer_state -i $quote_state -- $line)
end
set data $data[1] $tmp[2..]
end
if not string length -q -- (commandline -c)
# If we're at the beginning of the first line, trim whitespace from the start,
# so we don't trigger ignoring history.
set data[1] (string trim -l -- $data[1])
end
if test -n "$data"
commandline -i -- $data
end
end