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|
#!/bin/bash
tempdir="$(mktemp -d --tmpdir ${0##*/}.XXXXXXXXXXX)"
urlencode() {
perl -MURI::Escape -e 'print uri_escape($ARGV[0]);' "$1"
}
# outputs in the format
# class-id:line
classify-lines() {
while read line; do
_line="$(printf '%s' "$line"|sed -r 's/^#(\S)/\1/')"
class='other'
case "$_line" in
ac_add_options\ --enable-application=*) class=setapp;;
.\ *mozconfig) class=setapp;;
*profile-guided-optimization*|*pgo*) class=pgo;;
*optimiz*) class=vendor;;
ac_add_options\ --*-dirs) class=vendor;;
ac_add_options\ --*-home=*) class=vendor;;
ac_add_options\ --libdir=*) class=vendor;;
ac_add_options\ --prefix=*) class=vendor;;
*OFFICIAL*) class=vendor;;
ac_add_options\ --with-*=*) class=application;;
ac_add_options\ --*branding*) class=application;;
*MOZ_PHOENIX*) class=application;;
ac_add_options\ --*-system-*) class=system;;
ac_add_options\ --with-pthreads) class=system;;
ac_add_options\ --build=*) class=platform;;
ac_add_options\ --host=*) class=platform;;
*SHORT_LIBNAME*) class=platform;;
ac_add_options\ --*=*) class=other;;
ac_add_options\ --enable-toolkit-*) class=other;;
ac_add_options\ --disable-toolkit-*) class=other;;
ac_add_options\ --enable-*) class=feature;;
ac_add_options\ --disable-*) class=feature;;
ac_add_options\ --with-*) class=feature;;
'# '*)
class=comment
echo "$line" >> "$tempdir/comments"
;;
esac
if [[ $class != comment ]]; then
ci="$tempdir/comments"
co="$tempdir/comments-$(urlencode "$line")"
[[ -f $ci ]] && mv "$ci" "$co"
class_id=''
case "$class" in
setapp) class_id=0;;
system) class_id=1;;
feature) class_id=2;;
vendor) class_id=3;;
platform) class_id=4;;
application) class_id=5;;
other) class_id=6;;
pgo) class_id=7;;
*) libremessages error "INVALID CLASS: $class"; exit 1;;
esac
printf '%s:%s\n' "$class_id" "$line"
fi
done
}
format-classes() (
echo 0 > "$tempdir/prev_id"
IFS=:
while read class_id line; do
prev_id=$(cat "$tempdir/prev_id")
if [[ "$class_id" != "$prev_id" ]]; then
echo ''
case "$class_id" in
0) :;;
1) echo '# System libraries';;
2) echo '# Features';;
3) echo '# Vendor settings';;
4) echo '# Platform settings';;
5) echo '# Application settings';;
6) echo '# Other';;
7) echo '# PGO';;
esac
fi
printf '%s\n' "$line"
echo "$class_id" > "$tempdir/prev_id"
done
echo ''
echo '# Build-generated'
)
clean() {
sed -r \
-e '/#\s*(System libraries|Features|Other|PGO)/d' \
-e '/#\s*(Vendor|Platform|Application) settings/d' \
-e '/#\s*Build-generated/d'
}
hack() {
sed -r \
-e '/^\s*$/d' \
-e '/#\s*(IceCat|Iceweasel)/d' \
-e '/#\s*(ConnochaetOS|Parabola)/d' \
-e 's/# (ac_add_options)/#\1/'
}
add-comments() {
while read line; do
file="$tempdir/comments-$(urlencode "$line")"
if [[ -f $file ]]; then
cat "$file"
fi
echo "$line"
done
file="$tempdir/comments"
if [[ -f $file ]]; then
cat "$file"
fi
}
main() {
cat \
| clean \
| hack \
| classify-lines "$file" \
| sort \
| format-classes \
| add-comments \
# above line intentionally left blank
rm -rf "$tempdir"
}
main "$@"
|
