fish-shell/share/functions/__fish_make_completion_signals.fish
2017-08-04 18:02:24 -07:00

35 lines
1.5 KiB
Fish

function __fish_make_completion_signals --description 'Make list of kill signals for completion'
set -q __kill_signals
and return 0
set -g __kill_signals
# Some systems use the GNU coreutils kill command where `kill -L` produces an extended table
# format that looks like this:
#
# 1 HUP Hangup: 1
# 2 INT Interrupt: 2
#
# The procps `kill -L` produces a more compact table. We can distinguish the two cases by
# testing whether it supports `kill -t`; in which case it is the coreutils `kill` command.
# Darwin doesn't have kill -t or kill -L
if kill -t ^/dev/null >/dev/null
or not kill -L ^/dev/null >/dev/null
# Posix systems print out the name of a signal using 'kill -l SIGNUM'.
complete -c kill -s l --description "List names of available signals"
for i in (seq 31)
set -a __kill_signals $i" "(kill -l $i | tr '[:lower:]' '[:upper:]')
end
else
# Debian and some related systems use 'kill -L' to write out a numbered list
# of signals. Use this to complete on both number _and_ on signal name.
complete -c kill -s L --description "List codes and names of available signals"
kill -L | sed -e 's/^ //; s/ */ /g; y/ /\n/' | while read -l signo
test -z "$signo"
and break # the sed above produces one blank line at the end
read -l signame
set -a __kill_signals "$signo $signame"
end
end
end