xbps-src: piping with tee(1) and groupping command is not possible sometimes...

xbps-src/shutils/pkgtarget_funcs.sh.in

@@ -82,25 +82,25 @@ install_pkg()
 
 	if [ ! -f "$XBPS_EXTRACT_DONE" ]; then
 		. $XBPS_SHUTILSDIR/extract_funcs.sh
-		extract_distfiles
+		extract_distfiles || return $?
 	fi
 
 	if [ ! -f "$XBPS_CONFIGURE_DONE" ]; then
 		. $XBPS_SHUTILSDIR/configure_funcs.sh
-		configure_src_phase
+		configure_src_phase || return $?
 	fi
 
 	if [ ! -f "$XBPS_BUILD_DONE" ]; then
 		. $XBPS_SHUTILSDIR/build_funcs.sh
-		build_src_phase
+		build_src_phase || return $?
 	fi
 
 	# Install pkg into destdir.
-	{ env xbps_machine=${xbps_machine} MASTERDIR=${_MASTERDIR}	\
+	env xbps_machine=${xbps_machine} MASTERDIR=${_MASTERDIR}	\
 		dontrm_builddir=${dontrm_builddir}			\
 		${fakeroot_cmd} ${fakeroot_cmd_args}			\
 		@@XBPS_INSTALL_LIBEXECDIR@@/xbps-src-doinst-helper	\
-		${curpkgn}; } || exit $?
+		${curpkgn} || return $?
 
 	# Always write metadata to package's destdir.
 	. $XBPS_SHUTILSDIR/metadata.sh
@@ -110,7 +110,7 @@ install_pkg()
 
 	# Stow package into masterdir.
 	. $XBPS_SHUTILSDIR/stow_funcs.sh
-	stow_pkg_handler stow
+	stow_pkg_handler stow || return $?
 }
 
 #