From 5cefc33bffd3580d07ca548bc8e2ff38c945c78c Mon Sep 17 00:00:00 2001
From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 10 Dec 2007 01:15:57 -0800
Subject: Documentation: add gitman.info target

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/Makefile b/Documentation/Makefile
index 9f0f9d7..37ec355 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -5,7 +5,11 @@ MAN1_TXT= \
 MAN5_TXT=gitattributes.txt gitignore.txt gitmodules.txt
 MAN7_TXT=git.txt
 
-DOC_HTML=$(patsubst %.txt,%.html,$(MAN1_TXT) $(MAN5_TXT) $(MAN7_TXT))
+MAN_TXT = $(MAN1_TXT) $(MAN5_TXT) $(MAN7_TXT)
+MAN_XML=$(patsubst %.txt,%.xml,$(MAN_TXT))
+MAN_HTML=$(patsubst %.txt,%.html,$(MAN_TXT))
+
+DOC_HTML=$(MAN_HTML)
 
 ARTICLES = tutorial
 ARTICLES += tutorial-2
@@ -80,7 +84,7 @@ man1: $(DOC_MAN1)
 man5: $(DOC_MAN5)
 man7: $(DOC_MAN7)
 
-info: git.info
+info: git.info gitman.info
 
 install: man
 	$(INSTALL) -d -m 755 $(DESTDIR)$(man1dir)
@@ -92,9 +96,10 @@ install: man
 
 install-info: info
 	$(INSTALL) -d -m 755 $(DESTDIR)$(infodir)
-	$(INSTALL) -m 644 git.info $(DESTDIR)$(infodir)
+	$(INSTALL) -m 644 git.info gitman.info $(DESTDIR)$(infodir)
 	if test -r $(DESTDIR)$(infodir)/dir; then \
 	  $(INSTALL_INFO) --info-dir=$(DESTDIR)$(infodir) git.info ;\
+	  $(INSTALL_INFO) --info-dir=$(DESTDIR)$(infodir) gitman.info ;\
 	else \
 	  echo "No directory found in $(DESTDIR)$(infodir)" >&2 ; \
 	fi
@@ -165,12 +170,27 @@ XSLTOPTS = --xinclude --stringparam html.stylesheet docbook-xsl.css
 user-manual.html: user-manual.xml
 	xsltproc $(XSLTOPTS) -o $@ $(XSLT) $<
 
-git.info: user-manual.xml
-	$(RM) $@ $*.texi $*.texi+
-	$(DOCBOOK2X_TEXI) user-manual.xml --to-stdout >$*.texi+
-	$(PERL_PATH) fix-texi.perl <$*.texi+ >$*.texi
+git.info: git.texi
+	$(MAKEINFO) --no-split $*.texi
+
+git.texi: user-manual.xml
+	$(RM) $@+ $@
+	$(DOCBOOK2X_TEXI) user-manual.xml --to-stdout | $(PERL_PATH) fix-texi.perl >$@+
+	mv $@+ $@
+
+gitman.texi: $(MAN_XML) cat-texi.perl
+	$(RM) $@+ $@
+	($(foreach xml,$(MAN_XML),$(DOCBOOK2X_TEXI) --to-stdout $(xml);)) | \
+	$(PERL_PATH) cat-texi.perl $@ >$@+
+	mv $@+ $@
+
+gitman.info: gitman.texi
 	$(MAKEINFO) --no-split $*.texi
-	$(RM) $*.texi $*.texi+
+
+$(patsubst %.txt,%.texi,$(MAN_TXT)): %.texi : %.xml
+	$(RM) $@+ $@
+	$(DOCBOOK2X_TEXI) --to-stdout $*.xml >$@+
+	mv $@+ $@
 
 howto-index.txt: howto-index.sh $(wildcard howto/*.txt)
 	$(RM) $@+ $@
diff --git a/Documentation/cat-texi.perl b/Documentation/cat-texi.perl
new file mode 100755
index 0000000..e3d8e9f
--- /dev/null
+++ b/Documentation/cat-texi.perl
@@ -0,0 +1,38 @@
+#!/usr/bin/perl -w
+
+my @menu = ();
+my $output = $ARGV[0];
+
+open TMP, '>', "$output.tmp";
+
+while (<STDIN>) {
+	next if (/^\\input texinfo/../\@node Top/);
+	next if (/^\@bye/ || /^\.ft/);
+	if (s/^\@top (.*)/\@node $1,,,Top/) {
+		push @menu, $1;
+	}
+	s/\(\@pxref{\[URLS\]}\)//;
+	print TMP;
+}
+close TMP;
+
+printf '\input texinfo
+@setfilename gitman.info
+@documentencoding us-ascii
+@node Top,,%s
+@top Git Manual Pages
+@documentlanguage en
+@menu
+', $menu[0];
+
+for (@menu) {
+	print "* ${_}::\n";
+}
+print "\@end menu\n";
+open TMP, '<', "$output.tmp";
+while (<TMP>) {
+	print;
+}
+close TMP;
+print "\@bye\n";
+unlink "$output.tmp";
-- 
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