Documentation: reset: describe new "--keep" option

diff --git a/Documentation/Makefile b/Documentation/Makefile
index e841ca96cb419886ce8e9ca66798442cd5c9dfdf..8a8a3954dc45723f7380b59dadbb7e412198d672 100644 (file)
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -105,11 +105,15 @@ XMLTO_EXTRA += -m manpage-suppress-sp.xsl
 endif
 
 # Newer DocBook stylesheet emits warning cruft in the output when
-# this is not set, and if set it shows an absolute link.  We can
-# use MAN_BASE_URL=http://www.kernel.org/pub/software/scm/git/docs/
-# but distros may want to set it to /usr/share/doc/git-core/docs/ or
-# something like that.
-XMLTO_EXTRA += --stringparam man.base.url.for.relative.links=$(MAN_BASE_URL)
+# this is not set, and if set it shows an absolute link.  Older
+# stylesheets simply ignore this parameter.
+#
+# Distros may want to use MAN_BASE_URL=file:///path/to/git/docs/
+# or similar.
+ifndef MAN_BASE_URL
+MAN_BASE_URL = file://$(htmldir)/
+endif
+XMLTO_EXTRA += -m manpage-base-url.xsl
 
 # If your target system uses GNU groff, it may try to render
 # apostrophes as a "pretty" apostrophe using unicode.  This breaks
@@ -200,7 +204,7 @@ install-pdf: pdf
 install-html: html
        '$(SHELL_PATH_SQ)' ./install-webdoc.sh $(DESTDIR)$(htmldir)
 
-../GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE
+../GIT-VERSION-FILE: FORCE
        $(QUIET_SUBDIR0)../ $(QUIET_SUBDIR1) GIT-VERSION-FILE
 
 -include ../GIT-VERSION-FILE
@@ -238,6 +242,7 @@ clean:
        $(RM) howto-index.txt howto/*.html doc.dep
        $(RM) technical/api-*.html technical/api-index.txt
        $(RM) $(cmds_txt) *.made
+       $(RM) manpage-base-url.xsl
 
 $(MAN_HTML): %.html : %.txt
        $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \
@@ -245,7 +250,10 @@ $(MAN_HTML): %.html : %.txt
                $(ASCIIDOC_EXTRA) -agit_version=$(GIT_VERSION) -o $@+ $< && \
        mv $@+ $@
 
-%.1 %.5 %.7 : %.xml
+manpage-base-url.xsl: manpage-base-url.xsl.in
+       sed "s|@@MAN_BASE_URL@@|$(MAN_BASE_URL)|" $< > $@
+
+%.1 %.5 %.7 : %.xml manpage-base-url.xsl
        $(QUIET_XMLTO)$(RM) $@ && \
        xmlto -m $(MANPAGE_XSL) $(XMLTO_EXTRA) man $<
 
@@ -329,4 +337,4 @@ quick-install-man:
 quick-install-html:
        '$(SHELL_PATH_SQ)' ./install-doc-quick.sh $(HTML_REF) $(DESTDIR)$(htmldir)
 
-.PHONY: .FORCE-GIT-VERSION-FILE
+.PHONY: FORCE