--- functions.orig	2026-03-26 22:58:30 UTC
+++ functions
@@ -1045,7 +1045,7 @@ extract_dpkg_deb_data () {
 extract_dpkg_deb_data () {
 	local pkg="$1"
 
-	dpkg-deb --fsys-tarfile "$pkg" | tar $EXTRACT_DEB_TAR_OPTIONS -xf - || error 1 FILEEXIST "Tried to extract package, but tar failed. Exit..."
+	dpkg-deb --fsys-tarfile "$pkg" | gtar $EXTRACT_DEB_TAR_OPTIONS -xf - || error 1 FILEEXIST "Tried to extract package, but tar failed. Exit..."
 }
 
 # Raw .deb extractors
@@ -1065,7 +1065,7 @@ extract_ar_deb_field () {
 
 	if in_path $cat_cmd; then
 		ar -p "$pkg" "$tarball" | $cat_cmd |
-		    tar -O -xf - control ./control 2>/dev/null |
+		    gtar -O -xf - control ./control 2>/dev/null |
 		    grep -i "^$field:" | sed -e 's/[^:]*: *//' | head -n 1
 	else
 		error 1 UNPACKCMDUNVL "Extracting %s requires the %s command, which is not available" "$pkg" "$cat_cmd"
@@ -1087,7 +1087,7 @@ extract_ar_deb_data () {
 	esac
 
 	if in_path "$cat_cmd"; then
-		ar -p "$pkg" "$tarball" | "$cat_cmd" | tar $EXTRACT_DEB_TAR_OPTIONS -xf -
+		ar -p "$pkg" "$tarball" | "$cat_cmd" | gtar $EXTRACT_DEB_TAR_OPTIONS -xf -
 	else
 		error 1 UNPACKCMDUNVL "Extracting %s requires the %s command, which is not available" "$pkg" "$cat_cmd"
 	fi
@@ -1696,7 +1696,7 @@ while (read STDIN, $x, 1) {
 }' "$@"
 		elif [ "$1" = "GETDEPS" ]; then
 			local pkgdest="$2"; shift; shift
-LC_ALL=C grep "$gropt" '^$|^Package:|^Depends:|^Pre-Depends:' "${pkgdest}" | perl -e '
+LC_ALL=C pcre2grep '^$|^Package:|^Depends:|^Pre-Depends:' "${pkgdest}" | perl -e '
 %seen = map { $_ => 1 } @ARGV;
 while (<STDIN>) {
 	if (/^Package: (.*)$/) {
@@ -1724,13 +1724,13 @@ while (<STDIN>) {
 			local m="$2"
 			local p="$3"
 			shift; shift; shift
-			LC_ALL=C grep "$gropt" '^$|^Architecture:|^Filename:|^MD5sum:|^Package:|^Priority:|^SHA256:|^Size:|^Version:|^Depends:|^Pre-Depends:' "$p" | pkgdetails_field 1 Package: "$m" "$@"
+			LC_ALL=C pcre2grep '^$|^Architecture:|^Filename:|^MD5sum:|^Package:|^Priority:|^SHA256:|^Size:|^Version:|^Depends:|^Pre-Depends:' "$p" | pkgdetails_field 1 Package: "$m" "$@"
 		elif [ "$1" = "FIELD" ]; then
 			local f="$2"
 			local m="$3"
 			local p="$4"
 			shift; shift; shift; shift
-			LC_ALL=C grep "$gropt" '^$|^Package:|^Priority:|^Essential:' "$p" | pkgdetails_field 0 "$f" "$m" "$@"
+			LC_ALL=C pcre2grep '^$|^Package:|^Priority:|^Essential:' "$p" | pkgdetails_field 0 "$f" "$m" "$@"
 		elif [ "$1" = "STANZAS" ]; then
 			local pkgdest="$2"; shift; shift
 			perl -e '