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Use "-o fullquote" and "-o noquote" to escape Bash completions

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Koichi Murase
2025-10-20 18:10:33 +09:00
parent 926fbc4b13
commit 3188a147d8
2 changed files with 24 additions and 4 deletions
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26
assets/completions/bat.bash.in vendored
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@@ -14,18 +14,36 @@ __bat_escape_completions()
{
# Do not escape if completing a quoted value.
[[ $cur == [\"\']* ]] && return 0
# printf -v to an array index is available in bash >= 4.1.
# Use it if available, as -o filenames is semantically incorrect if
# we are not actually completing filenames, and it has side effects
# (e.g. adds trailing slash to candidates matching present dirs).
if ((
BASH_VERSINFO[0] > 5 || \
BASH_VERSINFO[0] == 5 && BASH_VERSINFO[1] >= 3
)); then
# bash >= 5.3 has "compopt -o fullquote", which exactly does
# what this function tries to do.
compopt -o fullquote
elif ((
BASH_VERSINFO[0] > 4 || \
BASH_VERSINFO[0] == 4 && BASH_VERSINFO[1] > 0
)); then
# printf -v to an array index is available in bash >= 4.1.
# Use it if available, as -o filenames is semantically
# incorrect if we are not actually completing filenames, and it
# has side effects (e.g. adds trailing slash to candidates
# matching present dirs).
local i
for i in ${!COMPREPLY[*]}; do
printf -v "COMPREPLY[i]" %q "${COMPREPLY[i]}"
done
# We can use "compopt -o noquote" available in bash >= 4.3 to
# prevent further quoting by the shell, which would be
# unexpectedly applied when a quoted result matches a filename.
if ((
BASH_VERSINFO[0] > 4 || \
BASH_VERSINFO[0] == 4 && BASH_VERSINFO[1] >= 3
)); then
compopt -o noquote
fi
else
compopt -o filenames
fi