Add pool for php-legacy

dist/arch/PKGBUILD

@@ -33,7 +33,7 @@ package() {
     depends=("php-interpreter>=7.3" "php-sqlite-interpreter>=7.3" "php-fpm-interpreter>=7.3")
     # create most directories necessary for the final package
     cd "$pkgdir"
-    mkdir -p "usr/share/webapps/arsse" "usr/share/doc/arsse" "usr/share/licenses/arsse" "usr/lib/systemd/system" "usr/lib/sysusers.d" "usr/lib/tmpfiles.d" "etc/php/php-fpm.d" "etc/webapps/arsse"
+    mkdir -p "usr/share/webapps/arsse" "usr/share/doc/arsse" "usr/share/licenses/arsse" "usr/lib/systemd/system" "usr/lib/sysusers.d" "usr/lib/tmpfiles.d" "etc/php/php-fpm.d" "etc/php-legacy/php-fpm.d" "etc/webapps/arsse"
     # copy requisite files
     cd "$srcdir/arsse"
     cp -r lib locale sql vendor www CHANGELOG UPGRADING README.md arsse.php "$pkgdir/usr/share/webapps/arsse"
@@ -45,15 +45,15 @@ package() {
     cp dist/php-fpm.conf "$pkgdir/etc/php/php-fpm.d/arsse.conf"
     cp -r dist/man "$pkgdir/usr/share"
     cp -r dist/nginx dist/apache config.defaults.php "$pkgdir/etc/webapps/arsse"
-    cd "$pkgdir"
     # copy files requiring special permissions
-    cd "$srcdir/arsse"
     install -Dm640 dist/config.php "$pkgdir/etc/webapps/arsse"
     # patch generic configuration files to use Arch-specific paths and identifiers
     sed -i -se 's/\/\(etc\|usr\/share\)\/arsse\//\/\1\/webapps\/arsse\//g' "$pkgdir/etc/webapps/arsse/nginx/"* "$pkgdir/etc/webapps/arsse/apache/"* "$pkgdir/usr/lib/tmpfiles.d/arsse.conf" "$pkgdir/usr/lib/systemd/system/"*
     sed -i -se 's/\/var\/run\/php\//\/run\/php-fpm\//g' "$pkgdir/etc/webapps/arsse/nginx/"* "$pkgdir/etc/webapps/arsse/apache/"* "$pkgdir/etc/php/php-fpm.d/arsse.conf"
     sed -i -se 's/www-data/http/g' "$pkgdir/etc/php/php-fpm.d/arsse.conf"
-    sed -i -e 's/^WorkingDirectory=.*$/WorkingDirectory=\/usr\/share\/webapps\/arsse/g' -e 's/^ConfigurationDirectory=.*$/ConfigurationDirectory=webapps\/arsse/g' "$pkgdir/usr/lib/systemd/system/arsse-fetch.service"
+    sed -i -se 's/^WorkingDirectory=.*$/WorkingDirectory=\/usr\/share\/webapps\/arsse/g' -e 's/^ConfigurationDirectory=.*$/ConfigurationDirectory=webapps\/arsse/g' "$pkgdir/usr/lib/systemd/system/arsse-fetch.service"
+    # make a duplicate PHP-FPM pool for php-legacy
+    sed -se 's/php-fpm/php-fpm-legacy/' "$pkgdir/etc/php/php-fpm.d/arsse.conf" > "$pkgdir/etc/php-legacy/php-fpm.d/arsse.conf"
     # copy Arch-specific versions of files
     install -Dm755 dist/arch/arsse "$pkgdir/usr/bin/arsse"
     cp dist/arch/nginx-arsse-fcgi.conf "$pkgdir/etc/webapps/arsse/nginx/arsse-fcgi.conf"