--- loncom/build/lpml_parse.pl	2001/11/07 16:53:52	1.16
+++ loncom/build/lpml_parse.pl	2001/11/17 23:23:36	1.22
@@ -6,7 +6,10 @@
 # 06/19/2001,06/20,06/24 - Scott Harrison
 # 9/5/2001,9/6,9/7,9/8 - Scott Harrison
 # 9/17,9/18 - Scott Harrison
-# 11/4 - Scott Harrison
+# 11/4,11/5,11/6,11/7,11/16,11/17 - Scott Harrison
+#
+# $Id: lpml_parse.pl,v 1.22 2001/11/17 23:23:36 harris41 Exp $
+###
 
 ###############################################################################
 ##                                                                           ##
@@ -83,9 +86,11 @@ if (@ARGV) {
 $sourceroot=~s/\/$//;
 $targetroot=~s/\/$//;
 
+my $logcmd='| tee -a WARNINGS';
+
 my $invocation;
 # --------------------------------------------------- Record program invocation
-if ($mode eq 'install') {
+if ($mode eq 'install' or $mode eq 'configinstall' or $mode eq 'build') {
     $invocation=(<<END);
 # Invocation: STDINPUT | lpml_parse.pl
 #             1st argument (mode) is: $mode
@@ -341,7 +346,8 @@ sub format_lpml {
 	$lpml .= "SHELL=\"/bin/bash\"\n\n";
     }
     elsif ($mode eq 'configinstall') {
-	print '# LPML configuration targets. Linux Packaging Markup Language,';
+	print '# LPML configuration file targets (configinstall).'."\n";
+	print '# Linux Packaging Markup Language,';
 	print ' by Scott Harrison 2001'."\n";
 	print '# This file was automatically generated on '.`date`;
 	print "\n".$invocation;
@@ -351,7 +357,7 @@ sub format_lpml {
 	$lpml = "# LPML build targets. Linux Packaging Markup Language,";
 	$lpml .= ' by Scott Harrison 2001'."\n";
 	$lpml .= '# This file was automatically generated on '.`date`;
-	$lpml .= "\n";
+	$lpml .= "\n".$invocation;
 	$lpml .= "SHELL=\"/bin/sh\"\n\n";
     }
     else {
@@ -366,10 +372,8 @@ sub format_targetroot {
     if ($mode eq 'html') {
 	return $targetroot="\n<br />TARGETROOT: $text";
     }
-    elsif ($mode eq 'install') {
-	return '# TARGET INSTALL LOCATION is "'.$targetroot."\"\n";
-    }
-    elsif ($mode eq 'build') {
+    elsif ($mode eq 'install' or $mode eq 'build' or
+	   $mode eq 'configinstall') {
 	return '# TARGET INSTALL LOCATION is "'.$targetroot."\"\n";
     }
     else {
@@ -384,10 +388,8 @@ sub format_sourceroot {
     if ($mode eq 'html') {
 	return $sourceroot="\n<br />SOURCEROOT: $text";
     }
-    elsif ($mode eq 'install') {
-	return '# SOURCE CODE LOCATION IS "'.$sourceroot."\"\n";;
-    }
-    elsif ($mode eq 'build') {
+    elsif ($mode eq 'install' or $mode eq 'build' or
+	   $mode eq 'configinstall') {
 	return '# SOURCE CODE LOCATION IS "'.$sourceroot."\"\n";;
     }
     else {
@@ -695,22 +697,22 @@ sub format_files {
 		$depstring.="\telif !(test -r $command/$dep);\\\n";
 		$depstring.="\t\tthen echo ".
 		"\"**** WARNING **** missing the file: ".
- 	        "$command/$dep\";\\\n";
+ 	        "$command/$dep\"$logcmd;\\\n";
 		$depstring.="\t\ttest -e $source || test -e $target || echo ".
 		    "'**** ERROR **** neither source=$source nor target=".
-		    "$target exist and they cannot be built';\\\n";
+		    "$target exist and they cannot be built'$logcmd;\\\n";
 		$depstring.="\t\tmake -f Makefile.build ${source}___DEPS;\\\n";
 		if ($olddep) {
 		    $depstring2.="\t\tECODE=0;\\\n";
 		    $depstring2.="\t\t! test -e $source && test -r $command/$olddep &&".
-			" { perl filecompare.pl -B $command/$olddep $target ||  ECODE=\$\$?; } && { [ \$\$ECODE != \"2\" ] || echo \"**** WARNING **** dependency $command/$olddep is newer than target file $target; SOMETHING MAY BE WRONG\"; };\\\n";
+			" { perl filecompare.pl -b2 $command/$olddep $target ||  ECODE=\$\$?; } && { [ \$\$ECODE != \"2\" ] || echo \"**** WARNING **** dependency $command/$olddep is newer than target file $target; SOMETHING MAY BE WRONG\"$logcmd; };\\\n";
 		}
 		$olddep=$dep;
 	    }
 	    $binfo.="$source: $tword\n".
 		"\t\@if !(echo \"\");\\\n\t\tthen echo ".
 		"\"**** WARNING **** Strange shell. ".
- 	        "Check your path settings.\";\\\n".
+ 	        "Check your path settings.\"$logcmd;\\\n".
 		$depstring.
 		"\telse \\\n\t\t$command2\n\tfi\n\n";
 	    $binfo.="${source}___DEPS:\n".$depstring2."\t\tECODE=0;\n\n";
@@ -770,17 +772,17 @@ sub format_file {
 		foreach my $dep (@deps) {
 		    $depstring.=<<END;
 		ECODE=0; DEP=''; \\
-		test -e $command/$dep || (echo '**** WARNING **** cannot evaluate status of dependency $command/$dep (for building ${sourceroot}/${source} with)'); DEP="1"; \\
-		[ -n DEP ] && { perl filecompare.pl -B $command/$dep ${targetroot}/${target} || ECODE=\$\$?; } || DEP="1"; \\
+		test -e $command/$dep || (echo '**** WARNING **** cannot evaluate status of dependency $command/$dep (for building ${sourceroot}/${source} with)'$logcmd); DEP="1"; \\
+		[ -n DEP ] && { perl filecompare.pl -b2 $command/$dep ${targetroot}/${target} || ECODE=\$\$?; } || DEP="1"; \\
 		case "\$\$ECODE" in \\
-			2) echo "**** WARNING **** dependency $command/$dep is newer than target file ${targetroot}/${target}; you may want to run make build";; \\
+			2) echo "**** WARNING **** dependency $command/$dep is newer than target file ${targetroot}/${target}; you may want to run make build"$logcmd;; \\
 		esac; \\
 END
 		}
                 chomp $depstring;
 		$buildtest=<<END;
 	\@if !(test -e "${sourceroot}/${source}") && !(test -e "${targetroot}/${target}"); then \\
-		echo "**** ERROR **** ${sourceroot}/${source} is missing and is also not present at target location ${targetroot}/${target}; you must run make build"; exit; \\
+		echo "**** ERROR **** ${sourceroot}/${source} is missing and is also not present at target location ${targetroot}/${target}; you must run make build"$logcmd; exit; \\
 END
                 $buildtest.=<<END if $depstring;
 	elif !(test -e "${sourceroot}/${source}"); then \\
@@ -790,19 +792,23 @@ END
 	fi
 END
 	    }
-            my $bflag='-b';
-            $bflag='-g' if $dependencies or $buildlink;
+            my $bflag='-b1';
+            $bflag='-b3' if $dependencies or $buildlink;
 	    return <<END;
-$buildtest	\@if !(test -e "${sourceroot}/${source}"); then \\
-		echo "**** WARNING **** CVS source file does not exist: ${sourceroot}/${source}"; \\
+$buildtest	\@if !(test -e "${sourceroot}/${source}") && !(test -e "${targetroot}/${target}"); then \\
+		echo "**** ERROR **** CVS source file does not exist: ${sourceroot}/${source} and neither does target: ${targetroot}/${target}"$logcmd; \\
+	elif !(test -e "${sourceroot}/${source}"); then \\
+		echo "**** WARNING **** CVS source file does not exist: ${sourceroot}/${source}"$logcmd; \\
+		perl verifymodown.pl ${targetroot}/${target} "$categoryhash{$categoryname}"$logcmd; \\
 	else \\
 		ECODE=0; \\
 		perl filecompare.pl $bflag ${sourceroot}/${source} ${targetroot}/${target} || ECODE=\$\$?; \\
 		case "\$\$ECODE" in \\
 			1) echo "${targetroot}/${target} is unchanged";; \\
-			2) echo "**** WARNING **** target file ${targetroot}/${target} is newer than CVS source; creating ${targetroot}/${target}.lpmlnewfile instead" && install -o www -g www -m 0500 ${sourceroot}/${source} ${targetroot}/${target}.lpmlnewfile;; \\
-			0) echo "install -o www -g www -m 0500 ${sourceroot}/${source} ${targetroot}/${target}" && install -o www -g www -m 0500 ${sourceroot}/${source} ${targetroot}/${target};; \\
+			2) echo "**** WARNING **** target file ${targetroot}/${target} is newer than CVS source; saving current (old) target file to ${targetroot}/${target}.lpmlsave and then overwriting"$logcmd && install -o www -g www -m 0600 ${targetroot}/${target} ${targetroot}/${target}.lpmlsave && install $categoryhash{$categoryname} ${sourceroot}/${source} ${targetroot}/${target};; \\
+			0) echo "install $categoryhash{$categorname} ${sourceroot}/${source} ${targetroot}/${target}" && install $categoryhash{$categoryname} ${sourceroot}/${source} ${targetroot}/${target};; \\
 		esac; \\
+		perl verifymodown.pl ${targetroot}/${target} "$categoryhash{$categoryname}"$logcmd; \\
 	fi
 END
 #	    return "\t".'@test -e '.$sourceroot.'/'.$source.
@@ -812,21 +818,42 @@ END
 #		$categoryhash{$categoryname}.' '.
 #		$sourceroot.'/'.$source.' '.
 #		$targetroot.'/'.$target.
-#		' || echo "**** LON-CAPA WARNING '.
+#		' || echo "**** WARNING '.
 #		'**** CVS source file does not exist: '.$sourceroot.'/'.
 #		$source.'"'."\n";
 	}
 	elsif ($mode eq 'configinstall' && $categoryname eq 'conf') {
 	    push @configall,$targetroot.'/'.$target;
 	    return $targetroot.'/'.$target.': alwaysrun'."\n".
-		"\t".'@echo -n ""; ECODE=0 && { perl filecompare.pl -G '.$sourceroot.'/'.$source.' '.$targetroot.'/'.$target.' || ECODE=$$?; } && { [ $$ECODE != "2" ] || (install '.$categoryhash{$categoryname}.' '.
+		"\t".'@echo -n ""; ECODE=0 && { perl filecompare.pl -b4 '.
+		$sourceroot.'/'.$source.' '.$targetroot.'/'.$target.
+		' || ECODE=$$?; } && '.
+		'{ [ $$ECODE != "2" ] || (install '.
+                $categoryhash{$categoryname}.' '.
 		$sourceroot.'/'.$source.' '.
-		$targetroot.'/'.$target.'.lpmlnewconf'.
-		' && echo "*** CONFIGURATION FILE CHANGE ***" && echo "'.
+		$targetroot.'/'.$target.'.lpmlnew'.
+		' && echo "**** NOTE: CONFIGURATION FILE CHANGE ****"'.
+		$logcmd.' && echo "'.
 		'You likely need to compare contents of '.
 		''.$targetroot.'/'.$target.' with the new '.
-                ''.$targetroot.'/'.$target.'.lpmlnewconf"'.
-		"); };\n\n";
+                ''.$targetroot.'/'.$target.'.lpmlnew"'.
+		"$logcmd); } && ".
+		'{ [ $$ECODE != "3" ] || (install '.
+                $categoryhash{$categoryname}.' '.
+		$sourceroot.'/'.$source.' '.
+		$targetroot.'/'.$target.''.
+		' && echo "**** WARNING: NEW CONFIGURATION FILE ADDED ****"'.
+		$logcmd.' && echo "'.
+		'You likely need to review the contents of '.
+		''.$targetroot.'/'.$target.' to make sure its '.
+                'settings are compatible with your overall system"'.
+		"$logcmd); } && ".
+		'{ [ $$ECODE != "1" ] || ('.
+		'echo "**** ERROR ****"'.
+		$logcmd.' && echo "'.
+		'Configuration source file does not exist '.
+		''.$sourceroot.'/'.$source.'"'.
+		"$logcmd); } && perl verifymodown.pl ${targetroot}/${target} \"$categoryhash{$categoryname}\"$logcmd;\n\n";
 	}
 	elsif ($mode eq 'build' && $build) {
 	    push @buildall,$sourceroot.'/'.$source;
@@ -1031,3 +1058,72 @@ sub trim {
 } 
 
 # ----------------------------------- POD (plain old documentation, CPAN style)
+
+=head1 NAME
+
+lpml_parse.pl - This is meant to parse files meeting the lpml document type.
+See lpml.dtd.  LPML=Linux Packaging Markup Language.
+
+=head1 SYNOPSIS
+
+Usage is for lpml file to come in through standard input.
+
+=over 4
+
+=item *
+
+1st argument is the mode of parsing.
+
+=item * 
+
+2nd argument is the category permissions to use (runtime or development)
+
+=item *
+
+3rd argument is the distribution
+(default,redhat6.2,debian2.2,redhat7.1,etc).
+
+=item *
+
+4th argument is to manually specify a sourceroot.
+
+=item *
+
+5th argument is to manually specify a targetroot.
+
+=back
+
+Only the 1st argument is mandatory for the program to run.
+
+Example:
+
+cat ../../doc/loncapafiles.lpml |\\
+perl lpml_parse.pl html default /home/sherbert/loncapa /tmp/install
+
+=head1 DESCRIPTION
+
+I am using a multiple pass-through approach to parsing
+the lpml file.  This saves memory and makes sure the server
+will never be overloaded.
+
+=head1 README
+
+I am using a multiple pass-through approach to parsing
+the lpml file.  This saves memory and makes sure the server
+will never be overloaded.
+
+=head1 PREREQUISITES
+
+HTML::TokeParser
+
+=head1 COREQUISITES
+
+=head1 OSNAMES
+
+linux
+
+=head1 SCRIPT CATEGORIES
+
+Packaging/Administrative
+
+=cut