fish-shell/share/functions/__fish_make_completion_signals.fish
2023-01-29 14:44:59 +01:00

53 lines
2.3 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
# Cygwin's kill is special, and the documentation lies.
# Just hardcode the signals.
set -l os (uname)
if string match -q 'CYGWIN*' -- $os
or string match -eiq Msys -- $os
or string match -eiq mingw -- $os
set -a __kill_signals "1 HUP" "2 INT" "3 QUIT" "4 ILL" "5 TRAP" "6 ABRT" \
"6 IOT" "7 BUS" "8 FPE" "9 KILL" "10 USR1" "11 SEGV" \
"12 USR2" "13 PIPE" "14 ALRM" "15 TERM" "16 STKFLT" "17 CHLD" \
"17 CLD" "18 CONT" "19 STOP" "20 TSTP" "21 TTIN" "22 TTOU" \
"23 URG" "24 XCPU" "25 XFSZ" "26 VTALRM" "27 PROF" "28 WINC" \
"29 IO" "29 POLL" "30 PWR" "31 SYS" "34 RTMIN" "64 RTMA"
return
end
# If we don't have a kill, we don't try to run it.
# We require a kill *command* because we used to unconditionally define
# a wrapper (to allow %foo expansion)
command -q kill
or return
# 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 2>/dev/null >/dev/null
or not kill -L 2>/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 $i 2>/dev/null | string upper)
end
else
# util-linux (on Arch) and procps-ng (on Debian) kill use 'kill -L' to write out a numbered list
# of signals. Use this to complete on both number _and_ on signal name.
complete -c kill -s L --description "List codes and names of available signals"
kill -L 2>/dev/null | string trim | string replace -ra ' *' \n | while read -l signo signame
set -a __kill_signals "$signo $signame"
end
end
end