bash-completion: add swapoff

[kzak@redhat.com: remove short options]

Signed-off-by: Bernhard Voelker <mail@bernhard-voelker.de>
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/bash-completion/swapoff b/bash-completion/swapoff
new file mode 100644 (file)
index 0000000..60d8572
--- /dev/null
+++ b/bash-completion/swapoff
@@ -0,0 +1,54 @@
+_swapoff_module()
+{
+       local cur prev OPTS
+       COMPREPLY=()
+       cur="${COMP_WORDS[COMP_CWORD]}"
+       prev="${COMP_WORDS[COMP_CWORD-1]}"
+       case $prev in
+               '-a'|'--all')
+                       return 0
+                       ;;
+               '-U'|'UUID=')
+                       # only works for block devices, i.e., not for swap files.
+                       local SWAPS
+                       SWAPS="$(swapon --show=TYPE,NAME --raw --noheading | \
+                               awk '$1 !~ /file/ { print $2 }')"
+                       [ -z "$SWAPS" ] && return 0
+                       local UUIDS
+                       UUIDS="$(lsblk -nrp -o UUID "$SWAPS")"
+                       COMPREPLY=( $(compgen -W "$UUIDS" -- $cur) )
+                       return 0
+                       ;;
+               '-L'|'LABEL=')
+                       # only works for block devices, i.e., not for swap files.
+                       local SWAPS
+                       SWAPS="$(swapon --show=TYPE,NAME --raw --noheading | \
+                               awk '$1 !~ /file/ { print $2 }')"
+                       [ -z "$SWAPS" ] && return 0
+                       local LABELS
+                       LABELS="$(lsblk -nrp -o LABEL "$SWAPS")"
+                       COMPREPLY=( $(compgen -W "$LABELS" -- $cur) )
+                       return 0
+                       ;;
+               '-h'|'--help'|'-V'|'--version')
+                       return 0
+                       ;;
+       esac
+       case $cur in
+               -*)
+                       OPTS="-L
+                               -U
+                               --all
+                               --verbose
+                               --help
+                               --version"
+                       COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
+                       return 0
+                       ;;
+       esac
+       local DEVS
+       DEVS="$(swapon --show=NAME --raw --noheading)"
+       COMPREPLY=( $(compgen -W "$DEVS" -- $cur) )
+       return 0
+}
+complete -F _swapoff_module swapoff