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bash-completion: parse the mpv options lazily

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Parse and cache the options lazily not to impact the shell
startup time.
This commit is contained in:
Gabriele Mazzotta 2024-01-21 11:37:31 +01:00 committed by Philip Langdale
parent 45f822593f
commit 27359c3ff1
1 changed files with 30 additions and 9 deletions
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39
etc/mpv.bash-completion
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@ -17,12 +17,17 @@
# License along with mpv. If not, see <http://www.gnu.org/licenses/>.
#
# Cache all the mpv options
_mpv_options=$(mpv --no-config --list-options)
_mpv_options()
{
if [ -z ${_mpv_options_cache+x} ]; then
_mpv_options_cache=$(mpv --no-config --list-options)
fi
echo "$_mpv_options_cache"
}
_mpv_get_args()
{
local doc=$(echo "$_mpv_options" | grep -E "^\\s*$1\\s")
local doc=$(_mpv_options | grep -E "^\\s*$1\\s")
local partial="$2"
local type=$(echo "$doc" | awk '{print $2;}')
@ -81,10 +86,26 @@ _mpv_get_args()
# This regex detects special options where we don't want an '=' appended
_mpv_special_regex='\s(Flag.*\[not in config files\]|Print)'
_mpv_skip_regex='\sremoved \[deprecated\]'
_mpv_regular_options=($(echo "$_mpv_options" | grep -vE "$_mpv_skip_regex" | \
grep -vE "$_mpv_special_regex" | awk '{print "\\"$1;}' | grep '\--'))
_mpv_special_options=($(echo "$_mpv_options" | grep -vE "$_mpv_skip_regex" | \
grep -E "$_mpv_special_regex" | awk '{print "\\"$1;}' | grep '\--'))
_mpv_regular_options()
{
if [ -z ${_mpv_regular_options_cache+x} ]; then
_mpv_regular_options_cache=($(_mpv_options | grep -vE "$_mpv_skip_regex" | \
grep -vE "$_mpv_special_regex" | awk '{print "\\"$1;}' | grep '\--'))
_mpv_regular_options_cache="${_mpv_regular_options_cache[*]}"
fi
echo "$_mpv_regular_options_cache"
}
_mpv_special_options()
{
if [ -z ${_mpv_special_options_cache+x} ]; then
_mpv_special_options_cache=($(_mpv_options | grep -vE "$_mpv_skip_regex" | \
grep -E "$_mpv_special_regex" | awk '{print "\\"$1;}' | grep '\--'))
_mpv_special_options_cache="${_mpv_special_options_cache[*]}"
fi
echo "$_mpv_special_options_cache"
}
_mpv()
{
@ -106,9 +127,9 @@ _mpv()
else
case $cur in
-*)
COMPREPLY=($(compgen -W "${_mpv_regular_options[*]}" -S '=' -- "${cur}"))
COMPREPLY=($(compgen -W "$(_mpv_regular_options)" -S '=' -- "${cur}"))
local normal_count=${#COMPREPLY[@]}
COMPREPLY+=($(compgen -W "${_mpv_special_options[*]}" -- "${cur}"))
COMPREPLY+=($(compgen -W "$(_mpv_special_options)" -- "${cur}"))
if [ $normal_count -gt 0 -o ${#COMPREPLY[@]} -gt 1 ]; then
compopt -o nospace mpv
fi