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#!/bin/bash
tempdir="$(mktemp -d --tmpdir ${0##*/}.XXXXXXXXXXX)"
################################################################################
# BUG: can insert empty lines
format_array="
s/\(/& / # force whitespace after the opening 'var=(' bit
s/\)/ &/ # force whitespace after the trailing ')' bit
s/\s+/\n /g # delimit array elements with '\n '
"
format-array() {
local var=$1
local file=$2
sed -ri \
-e "/^$var=\(.*\)/{ $format_array } # single-line" \
-e "/^$var=\(/,/\)/{ $format_array } # multi-line" \
"$file"
}
################################################################################
print_array="
/\(/d # strip the opening 'var=(' line
/\)/d # strip the trailing ')' line
/./p # print everything else
"
sort-array() {
local var=$1
local file=$2
# extract the data
{
# HACK: strip empty lines; to work around bug in format-array
sed -nr "/^$var=\(/,/\)/{ $print_array }" \
| sed '/^\s*$/d' \
| sort -u
} < "$file" > "$tempdir/$var"
# remove it from the file
sed -i -e "/^$var=(/i @$var@" -e "/^$var=/,/)/d" "$file"
# re-insert it into the file
sed -i \
-e "/^@$var@/a$var=(" \
-e "/^@$var@/r$tempdir/$var" \
-e "/^@$var@/a)" \
-e "/^@$var@/d" \
"$file"
}
################################################################################
normalize() {
local file=$1
for var in {make,check,}depends arch license; do
format-array "$var" "$file"
sort-array "$var" "$file"
done
# clean up whitespace
sed -ri 's/\s+$//' "$file"
# generalize
sed -ri \
-e 's/([^=])firefox/\1$pkgbase/g' \
-e 's/\$pkgbase-(install-dir\.patch)/firefox-\1/g' \
"$file"
if ! grep -q pkgbase= "$file"; then
sed -i '/pkgdesc=/iif [[ -z $pkgbase ]]\; then pkgbase=$pkgname\; fi' "$file"
fi
}
main() {
cat > "$tempdir/PKGBUILD"
normalize "$tempdir/PKGBUILD"
cat "$tempdir/PKGBUILD"
rm -rf "$tempdir"
}
main "$@"
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