Merge branch 'rj/make-clean'

Build optimization.

* rj/make-clean:
  Makefile: don't use a versioned temp distribution directory
  Makefile: don't try to clean old debian build product
  gitweb/Makefile: conditionally include ../GIT-VERSION-FILE
  Documentation/Makefile: conditionally include ../GIT-VERSION-FILE
  Documentation/Makefile: conditionally include doc.dep

Documentation/Makefile

@@ -272,7 +272,9 @@ install-html: html
 ../GIT-VERSION-FILE: FORCE
 	$(QUIET_SUBDIR0)../ $(QUIET_SUBDIR1) GIT-VERSION-FILE
 
+ifneq ($(MAKECMDGOALS),clean)
 -include ../GIT-VERSION-FILE
+endif
 
 #
 # Determine "include::" file references in asciidoc files.
@@ -286,7 +288,9 @@ doc.dep : $(docdep_prereqs) $(wildcard *.txt) $(wildcard config/*.txt) build-doc
 	$(PERL_PATH) ./build-docdep.perl >$@+ $(QUIET_STDERR) && \
 	mv $@+ $@
 
+ifneq ($(MAKECMDGOALS),clean)
 -include doc.dep
+endif
 
 cmds_txt = cmds-ancillaryinterrogators.txt \
 	cmds-ancillarymanipulators.txt \

Makefile

@@ -3062,9 +3062,9 @@ GIT_TARNAME = git-$(GIT_VERSION)
 GIT_ARCHIVE_EXTRA_FILES = \
 	--prefix=$(GIT_TARNAME)/ \
 	--add-file=configure \
-	--add-file=$(GIT_TARNAME)/version \
+	--add-file=.dist-tmp-dir/version \
 	--prefix=$(GIT_TARNAME)/git-gui/ \
-	--add-file=$(GIT_TARNAME)/git-gui/version
+	--add-file=.dist-tmp-dir/git-gui/version
 ifdef DC_SHA1_SUBMODULE
 GIT_ARCHIVE_EXTRA_FILES += \
 	--prefix=$(GIT_TARNAME)/sha1collisiondetection/ \
@@ -3076,13 +3076,14 @@ GIT_ARCHIVE_EXTRA_FILES += \
 	--add-file=sha1collisiondetection/lib/ubc_check.h
 endif
 dist: git-archive$(X) configure
-	@mkdir -p $(GIT_TARNAME)
+	@$(RM) -r .dist-tmp-dir
-	@echo $(GIT_VERSION) > $(GIT_TARNAME)/version
+	@mkdir .dist-tmp-dir
-	@$(MAKE) -C git-gui TARDIR=../$(GIT_TARNAME)/git-gui dist-version
+	@echo $(GIT_VERSION) > .dist-tmp-dir/version
+	@$(MAKE) -C git-gui TARDIR=../.dist-tmp-dir/git-gui dist-version
 	./git-archive --format=tar \
 		$(GIT_ARCHIVE_EXTRA_FILES) \
 		--prefix=$(GIT_TARNAME)/ HEAD^{tree} > $(GIT_TARNAME).tar
-	@$(RM) -r $(GIT_TARNAME)
+	@$(RM) -r .dist-tmp-dir
 	gzip -f -9 $(GIT_TARNAME).tar
 
 rpm::
@@ -3159,8 +3160,8 @@ clean: profile-clean coverage-clean cocciclean
 	$(RM) -r bin-wrappers $(dep_dirs) $(compdb_dir) compile_commands.json
 	$(RM) -r po/build/
 	$(RM) *.pyc *.pyo */*.pyc */*.pyo $(GENERATED_H) $(ETAGS_TARGET) tags cscope*
-	$(RM) -r $(GIT_TARNAME) .doc-tmp-dir
+	$(RM) -r .dist-tmp-dir .doc-tmp-dir
-	$(RM) $(GIT_TARNAME).tar.gz git-core_$(GIT_VERSION)-*.tar.gz
+	$(RM) $(GIT_TARNAME).tar.gz
 	$(RM) $(htmldocs).tar.gz $(manpages).tar.gz
 	$(MAKE) -C Documentation/ clean
 	$(RM) Documentation/GIT-EXCLUDED-PROGRAMS

gitweb/Makefile

@@ -48,7 +48,9 @@ HIGHLIGHT_BIN = highlight
 ../GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE
 	$(QUIET_SUBDIR0)../ $(QUIET_SUBDIR1) GIT-VERSION-FILE
 
+ifneq ($(MAKECMDGOALS),clean)
 -include ../GIT-VERSION-FILE
+endif
 
 ### Build rules