/etc/bash_completion.d/initramfs-tools is in initramfs-tools 0.99ubuntu13.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | # update-initramfs(8) completion
_update_initramfs()
{
local cur prev valid_options
# TODO: this can be "_get_comp_words_by_ref cur prev" once
# bash-completion >= 1.2 is available, see #537139
cur=$(_get_cword)
prev=${COMP_WORDS[COMP_CWORD-1]}
# The only option that takes an argument is -k
if [[ "$prev" == '-k' ]]; then
# Complete with kernel versions
_kernel_versions
COMPREPLY=( $( compgen -W '${COMPREPLY[@]} all' -- "$cur" ) )
return;
fi
# Complete with available options (obtained from -h)
valid_options=$( update-initramfs -h 2>&1 | \
sed -e '/^ -/!d;s/^ \(-\w\+\).*/\1/' )
COMPREPLY=( $( compgen -W "$valid_options" -- $cur ) )
}
complete -F _update_initramfs update-initramfs
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