abuild: make it configurable what to cleanup and when

allow user specify if they want uninstall deps, remove srcdir and/or
pkgdir on failure or success.

We introduce CLEANUP and ERROR_CLEANUP config options in
/etc/abuild.conf. Valid values are: pkgdir srcdir deps.

abuild.conf

@@ -28,8 +28,13 @@ SRCDEST=/var/cache/distfiles
 # uncomment line below to store built packages in other location
 # The package will be stored as $REPODEST/$repo/$pkgname-$pkgver-r$pkgrel.apk
 # where $repo is the name of the parent directory of $startdir.
-#REPODEST=/var/lib/packages/
+REPODEST=$HOME/packages/
 
 # PACKAGER is used to create new aports with 'newapkbuild ...'
 #PACKAGER="Your Name <your@email.address>"
 
+# what to clean up after a successful build
+CLEANUP="srcdir pkgdir deps"
+
+# what to cleanup after a failed build
+ERROR_CLEANUP="deps"

abuild.in

@@ -105,19 +105,29 @@ set_xterm_title() {
 }
 
 cleanup() {
+	local i=
 	set_xterm_title ""
-	if [ -z "$install_after" ] && [ -n "$uninstall_after" ]; then
-		msg "Uninstalling dependencies..."
-		$SUDO_APK del --quiet $apk_opt_wait $uninstall_after
-	fi
 	if [ -n "$CLEANUP_FILES" ]; then
 		rm -f $CLEANUP_FILES
 	fi
+	for i; do
+		case $i in
+		pkgdir) msg "Cleaning up pkgdir"; rm -rf "$pkgbasedir";;
+		srcdir) msg "Cleaning up srcdir"; rm -rf "$srcdir";;
+		deps)
+			if [ -z "$install_after" ] && [ -n "$uninstall_after" ]; then
+				msg "Uninstalling dependencies..."
+				$SUDO_APK del --quiet $apk_opt_wait \
+					$uninstall_after
+			fi
+			;;
+		esac
+	done
 }
 
 die() {
 	error "$@"
-	cleanup
+	cleanup $ERROR_CLEANUP
 	exit 1
 }
 
@@ -1210,6 +1220,7 @@ build_abuildrepo() {
 		logcmd "building $pkgname"
 		sanitycheck && builddeps && clean && fetch && unpack \
 			&& prepare && mkusers && $_build && rootpkg \
+			&& cleanup $CLEANUP \
 			|| return 1
 	fi
 	update_abuildrepo_index