linux-source: Exclude Python bytecode generated when running Sphinx

debian/changelog

@@ -3,6 +3,10 @@ linux (4.8~rc5-1~exp2) UNRELEASED; urgency=medium
   [ Héctor Orón ]
   * [arm64] Enable ACPI, ARM64_VA_BITS_48 (Closes: #834505)
 
+  [ Ben Hutchings ]
+  * Fix some new reproducibility issues:
+    - linux-source: Exclude Python bytecode generated when running Sphinx
+
  -- Ben Hutchings <ben@decadent.org.uk>  Fri, 16 Sep 2016 16:39:53 +0100
 
 linux (4.8~rc5-1~exp1) experimental; urgency=medium

debian/rules.real

@@ -109,7 +109,10 @@ $(BUILD_DIR)/$(SOURCE_PACKAGE_NAME)-source-$(UPSTREAMVERSION).tar.xz: $(STAMPS_D
 	chmod -R u+rw,go=rX '$(DIR)'
 	find '$(DIR)' -depth -newermt '$(SOURCE_DATE)' -print0 | \
 		xargs -0r touch --no-dereference --date='$(SOURCE_DATE)'
-	cd '$(BUILD_DIR)'; find '$(SOURCE_PACKAGE_NAME)-source-$(UPSTREAMVERSION)' -print0 | \
+	cd '$(BUILD_DIR)'; \
+	find '$(SOURCE_PACKAGE_NAME)-source-$(UPSTREAMVERSION)' \
+		-name '*.pyc' -prune -o \
+		-print0 | \
 		sort -z | \
 		tar --no-recursion --null -T - -caf '$(SOURCE_PACKAGE_NAME)-source-$(UPSTREAMVERSION).tar.xz'
 	rm -rf '$(DIR)'