[PATCHv2] gitweb: simplify gitweb.min.* generation and clean-up rules

[Mark Rada <marada@xxxxxxxxxxxx>]

GITWEB_CSS and GITWEB_JS are meant to be "what URI should the installed
cgi script use to refer to the stylesheet and JavaScript", never "this
is the name of the file we are building".

Lose incorrect assignment to them.

While we are at it, lose FILES that is used only for "clean" target in a
misguided way.  "make clean" should try to remove all the potential
build artifacts regardless of a minor configuration change. Instead of
trying to remove only the build product "make clean" would have created
if it were run without "clean", explicitly list the three potential build
products for removal.

Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
Tested-by: Mark Rada <marada@xxxxxxxxxxxx>

---

	Changes since v1:
		- Removed extra crap that was not supposed to be part of
		  the patch


 gitweb/Makefile |   75 ++++++++++++++++++++++++++++---------------------------
 1 files changed, 38 insertions(+), 37 deletions(-)

diff --git a/gitweb/Makefile b/gitweb/Makefile
index ffee4bd..f2e1d92 100644
--- a/gitweb/Makefile
+++ b/gitweb/Makefile
@@ -80,54 +80,55 @@ endif
 
 all:: gitweb.cgi
 
-FILES = gitweb.cgi
 ifdef JSMIN
-FILES += gitweb.min.js
 GITWEB_JS = gitweb.min.js
+all:: gitweb.min.js
+gitweb.min.js: gitweb.js GITWEB-BUILD-OPTIONS
+	$(QUIET_GEN)$(JSMIN) <$< >$@
 endif
+
 ifdef CSSMIN
-FILES += gitweb.min.css
 GITWEB_CSS = gitweb.min.css
+all:: gitweb.min.css
+gitweb.min.css: gitweb.css GITWEB-BUILD-OPTIONS
+	$(QUIET_GEN)$(CSSMIN) <$ >$@
 endif
-gitweb.cgi: gitweb.perl $(GITWEB_JS) $(GITWEB_CSS)
 
-gitweb.cgi:
+GITWEB_REPLACE = \
+	-e 's|++GIT_VERSION++|$(GIT_VERSION)|g' \
+	-e 's|++GIT_BINDIR++|$(bindir)|g' \
+	-e 's|++GITWEB_CONFIG++|$(GITWEB_CONFIG)|g' \
+	-e 's|++GITWEB_CONFIG_SYSTEM++|$(GITWEB_CONFIG_SYSTEM)|g' \
+	-e 's|++GITWEB_HOME_LINK_STR++|$(GITWEB_HOME_LINK_STR)|g' \
+	-e 's|++GITWEB_SITENAME++|$(GITWEB_SITENAME)|g' \
+	-e 's|++GITWEB_PROJECTROOT++|$(GITWEB_PROJECTROOT)|g' \
+	-e 's|"++GITWEB_PROJECT_MAXDEPTH++"|$(GITWEB_PROJECT_MAXDEPTH)|g' \
+	-e 's|++GITWEB_EXPORT_OK++|$(GITWEB_EXPORT_OK)|g' \
+	-e 's|++GITWEB_STRICT_EXPORT++|$(GITWEB_STRICT_EXPORT)|g' \
+	-e 's|++GITWEB_BASE_URL++|$(GITWEB_BASE_URL)|g' \
+	-e 's|++GITWEB_LIST++|$(GITWEB_LIST)|g' \
+	-e 's|++GITWEB_HOMETEXT++|$(GITWEB_HOMETEXT)|g' \
+	-e 's|++GITWEB_CSS++|$(GITWEB_CSS)|g' \
+	-e 's|++GITWEB_LOGO++|$(GITWEB_LOGO)|g' \
+	-e 's|++GITWEB_FAVICON++|$(GITWEB_FAVICON)|g' \
+	-e 's|++GITWEB_JS++|$(GITWEB_JS)|g' \
+	-e 's|++GITWEB_SITE_HEADER++|$(GITWEB_SITE_HEADER)|g' \
+	-e 's|++GITWEB_SITE_FOOTER++|$(GITWEB_SITE_FOOTER)|g'
+
+GITWEB-BUILD-OPTIONS: FORCE
+	@rm -f $@+
+	@echo "x" '$(PERL_PATH_SQ)' $(GITWEB_REPLACE) "$(JSMIN)|$(CSSMIN)" >$@+
+	@cmp -s $@+ $@ && rm -f $@+ || mv -f $@+ $@
+
+gitweb.cgi: gitweb.perl GITWEB-BUILD-OPTIONS
 	$(QUIET_GEN)$(RM) $@ $@+ && \
 	sed -e '1s|#!.*perl|#!$(PERL_PATH_SQ)|' \
-	    -e 's|++GIT_VERSION++|$(GIT_VERSION)|g' \
-	    -e 's|++GIT_BINDIR++|$(bindir)|g' \
-	    -e 's|++GITWEB_CONFIG++|$(GITWEB_CONFIG)|g' \
-	    -e 's|++GITWEB_CONFIG_SYSTEM++|$(GITWEB_CONFIG_SYSTEM)|g' \
-	    -e 's|++GITWEB_HOME_LINK_STR++|$(GITWEB_HOME_LINK_STR)|g' \
-	    -e 's|++GITWEB_SITENAME++|$(GITWEB_SITENAME)|g' \
-	    -e 's|++GITWEB_PROJECTROOT++|$(GITWEB_PROJECTROOT)|g' \
-	    -e 's|"++GITWEB_PROJECT_MAXDEPTH++"|$(GITWEB_PROJECT_MAXDEPTH)|g' \
-	    -e 's|++GITWEB_EXPORT_OK++|$(GITWEB_EXPORT_OK)|g' \
-	    -e 's|++GITWEB_STRICT_EXPORT++|$(GITWEB_STRICT_EXPORT)|g' \
-	    -e 's|++GITWEB_BASE_URL++|$(GITWEB_BASE_URL)|g' \
-	    -e 's|++GITWEB_LIST++|$(GITWEB_LIST)|g' \
-	    -e 's|++GITWEB_HOMETEXT++|$(GITWEB_HOMETEXT)|g' \
-	    -e 's|++GITWEB_CSS++|$(GITWEB_CSS)|g' \
-	    -e 's|++GITWEB_LOGO++|$(GITWEB_LOGO)|g' \
-	    -e 's|++GITWEB_FAVICON++|$(GITWEB_FAVICON)|g' \
-	    -e 's|++GITWEB_JS++|$(GITWEB_JS)|g' \
-	    -e 's|++GITWEB_SITE_HEADER++|$(GITWEB_SITE_HEADER)|g' \
-	    -e 's|++GITWEB_SITE_FOOTER++|$(GITWEB_SITE_FOOTER)|g' \
-	    $< >$@+ && \
+		$(GITWEB_REPLACE) $< >$@+ && \
 	chmod +x $@+ && \
 	mv $@+ $@
 
-ifdef JSMIN
-gitweb.min.js: gitweb.js
-	$(QUIET_GEN)$(JSMIN) <$< >$@
-endif # JSMIN
-
-ifdef CSSMIN
-gitweb.min.css: gitweb.css
-	$(QUIET_GEN)$(CSSMIN) <$ >$@
-endif
-
 clean:
-	$(RM) $(FILES)
+	$(RM) gitweb.cgi gitweb.min.js gitweb.min.css GITWEB-BUILD-OPTIONS
+
+.PHONY: all clean .FORCE-GIT-VERSION-FILE FORCE
 
-.PHONY: all clean .FORCE-GIT-VERSION-FILE
-- 
1.7.1.rc1.237.ge1730


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