xbps-src: added 'clean' target to remove pkg build directory.

xbps-src/libexec/xbps-src-doinst-helper.sh.in

@@ -209,8 +209,7 @@ install_src_phase()
 	# Remove $wrksrc if -C not specified.
 	#
 	if [ -d "$saved_wrksrc" -a "$dontrm_builddir" = "no" ]; then
-		rm -rf $saved_wrksrc && \
-			msg_normal "Package '$sourcepkg ($lver)': removed build directory."
+		remove_tmpl_wrksrc $saved_wrksrc
 	fi
 }
 

xbps-src/shutils/tmpl_funcs.sh.in

@@ -252,6 +252,19 @@ prepare_tmpl()
 	fi
 }
 
+remove_tmpl_wrksrc()
+{
+	local lwrksrc="$1"
+
+	if [ -z "$lwrksrc" -o ! -d "$lwrksrc" ]; then
+		return 1
+	fi
+
+	msg_normal "Cleaning '$pkgname' build directory... "
+	rm -rf $lwrksrc
+	return $?
+}
+
 set_tmpl_common_vars()
 {
 	[ -z "$pkgname" ] && return 1

xbps-src/xbps-src.sh.in

@@ -77,6 +77,7 @@ Targets:
  checkvers        Checks installed package versions against srcpkgs
                   for new available versions.
  chroot           Enter to the chroot in <masterdir>.
+ clean            Remove <pkg> build directory.
  configure        Configure a package (fetch + extract + configure).
  extract          Extract distribution file(s) into build directory.
                   Build directory is always available in
@@ -312,6 +313,12 @@ chroot)
 	. $XBPS_SHUTILSDIR/chroot.sh
 	xbps_chroot_handler chroot dummy
 	;;
+clean)
+	. $XBPS_SHUTILSDIR/tmpl_funcs.sh
+	[ ! -r ./template ] && msg_error "missing build template in $(pwd)."
+	setup_tmpl $(basename_cwd)
+	remove_tmpl_wrksrc $wrksrc
+	;;
 extract|fetch|info)
 	. $XBPS_SHUTILSDIR/tmpl_funcs.sh
 	[ ! -r ./template ] && msg_error "missing build template in $(pwd)."