unpackCmdHooks+=(_tryDpkgDeb) _tryDpkgDeb() { if ! [[ "$curSrc" =~ \.deb$ ]]; then return 1; fi # Don't use dpkg-deb -x as that will error if the archive contains a file # or directory with a setuid bit in its permissions. This is because dpkg # calls tar internally with the -p flag, preserving file permissions. # # We instead only use dpkg-deb to extract the tarfile containing the files # we want from the .deb, then finish extracting with tar directly. mkdir root dpkg-deb --fsys-tarfile "$curSrc" | tar --extract --directory=root }