filters: add PDB file filter

Program Database (PDB) file contains debug symbol for PE binary,
which can be found in most .NET softwares.

Author: stdmnpkg

filters/80-elf.sh

@@ -2,6 +2,19 @@
 ##filter/elf.sh: ELF-related filters
 ##@copyright GPL-2.0+
 
+# executable and libraries can only exist in following directories in AOSC OS package
+# ref: AOSC OS Package Styling Manual (https://wiki.aosc.io/developer/packaging/package-styling-manual/)
+#      Filesystem Hierarchy Standard 3.0 (https://refspecs.linuxfoundation.org/FHS_3.0/fhs/index.html)
+BIN_DIRS=(
+	opt/
+	usr/bin/
+	usr/lib/
+	usr/libexec/
+	usr/local/bin/
+	usr/local/lib/
+	usr/local/libexec/
+)
+
 filter_elf() {
 	local _opts=()
 	if ! bool "$ABSTRIP"; then
@@ -13,7 +26,8 @@ filter_elf() {
 	fi
 
 	local _elf_path=()
-	for i in "$PKGDIR"/{opt/*/*/,opt/*/,usr/,}{lib{,64,exec},{s,}bin}/; do
+	for p in "${BIN_DIRS[@]}"; do
+		i="$PKGDIR"/"$p"
 	    if [ -d "$i" ]; then
 			_elf_path+=("$i")
         fi

filters/81-pdb.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+##filter/pdb.sh: Move or delete Program Database file
+##@copyright GPL-2.0+
+
+filter_pdb() {
+	for p in ${BIN_DIRS[@]}; do
+        i="$PKGDIR"/"$p"
+	    if [ -d "$i" ]; then
+            for f in `find $i -type f -name "*.pdb"`; do
+                if bool "$ABSPLITDBG"; then
+                    path="${f#"$PKGDIR"}"
+                    abinfo "Saving Program Database file $f ..."
+                    mkdir -p `dirname "$SYMDIR"/"$path"`
+                    mv "$f" "$SYMDIR"/"$path"
+                elif bool "$ABSTRIP"; then
+                    abinfo "Dropping Program Database file $f ..."
+                    rm "$f"
+                fi
+            done
+        fi
+	done
+}
+
+ab_register_filter pdb