/usr/share/bash-completion/completions/update-java-alternatives is in java-common 0.56ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# update-java-alternatives(8) completion
#
#
# List the available alternatives
#
_update-java-alternatives_list()
{
shopt -s dotglob
top=/usr/lib/jvm
for i in ${jinfo:-$top/*.jinfo}; do
alias=$(basename ${i%.jinfo})
alias=${alias#.}
echo $alias
done
}
_update-java-alternatives()
{
local cur prev options
cur=`_get_cword`
prev=${COMP_WORDS[COMP_CWORD-1]}
options=()
# complete but doesn't display the short options
if [[ $cur == "-s" || $cur == "-l" || $cur == "-a" || $cur == "-h" || $cur == "-v" ]] ; then
COMPREPLY=( $( compgen -W '$cur' -- $cur ) )
return 0
fi
# suggest an action if none was specified yet
if [[ ! "${COMP_WORDS[@]}" =~ " --set " ]] && [[ ! "${COMP_WORDS[@]}" =~ " -s " ]] && [[
! "${COMP_WORDS[@]}" =~ " --list " ]] && [[ ! "${COMP_WORDS[@]}" =~ " -l " ]] && [[
! "${COMP_WORDS[@]}" =~ " --auto " ]] && [[ ! "${COMP_WORDS[@]}" =~ " -a " ]] && [[
! "${COMP_WORDS[@]}" =~ " --help " ]] && [[ ! "${COMP_WORDS[@]}" =~ " -h " ]]; then
options+=( --help --list --auto --set )
fi
# add the --set sub options
if [[ " ${COMP_WORDS[@]} " =~ " --set " ]] || [[ " ${COMP_WORDS[@]} " =~ " -s " ]]; then
if [[ ! "${COMP_WORDS[@]}" =~ " --verbose " ]] && [[ ! " ${COMP_WORDS[@]} " =~ " -v " ]]; then options+=("--verbose"); fi
if [[ ! "${COMP_WORDS[@]}" =~ " --plugin " ]]; then options+=("--plugin"); fi
if [[ ! "${COMP_WORDS[@]}" =~ " --jre " ]]; then options+=("--jre"); fi
if [[ ! "${COMP_WORDS[@]}" =~ " --jre-headless " ]]; then options+=("--jre-headless"); fi
fi
case "$prev" in
-s|--set|-l|--list)
COMPREPLY=( $( compgen -W '$(_update-java-alternatives_list)' -- $cur ) )
;;
-h|--help)
COMPREPLY=( )
;;
*)
COMPREPLY=( $( compgen -W '${options[@]}' -- $cur ) )
;;
esac
return 0
} &&
complete -F _update-java-alternatives update-java-alternatives
|