--- loncom/build/Attic/parse.pl	2001/01/23 16:26:38	1.27
+++ loncom/build/Attic/parse.pl	2001/04/13 17:09:09	1.34
@@ -2,8 +2,18 @@
 
 # Scott Harrison
 # November 2000
+# ... 
+# 04/10/2001
 
-# Read in loncapa tags and metagroup tags
+
+# Read in loncapa tags and metagroup tags.  Output various
+# useful files for viewing, compiling, monitoring, updating,
+# and installing.
+
+# This code works well.  HOWEVER, I was in a rush when I
+# wrote it.  Future plans are that the parsing should be
+# much more event-state based and the input should be
+# more XML-ish. -Scott
 
 # ---------------------------------------------- Read in command line arguments
 my ($file,$mode)=@ARGV;
@@ -568,7 +578,9 @@ sub make_files_build_segment {
     my $description;
     my @allfiles=keys %{$info{'LOCATION'}{$distribution}};
     my $tab="\t";
-    my $sources="all: ";
+    my $sources="# Dynamic Makefile generated by LON-CAPA build process\n\n";
+    $sources.="SHELL=\"/bin/sh\"\n\n";
+    $sources.="\nall: ";
     foreach my $d (@$dirs) {
 	# set other values
 	my $dirdescription=$info{'DIRECTORY'}{$distribution}{$d}{'DESCRIPTION'};
@@ -609,9 +621,25 @@ sub make_files_build_segment {
 			$depstat=" alwaysrun";
 		    }
 		    $dependencies=~s/\s+/ $sdir/gs;
+		    my @deps=split(/\s+/,$dependencies);
+		    shift @deps;
+		    my $testing=<<END;
+	\@if !(echo "");\\
+	        then echo "**** LON-CAPA WARNING **** Strange shell. Check your path settings.";\\
+END
+		    foreach my $d (@deps) {
+			$testing.=<<END;
+	elif !(test -r $d);\\
+		then echo "**** LON-CAPA WARNING **** missing the file: $d";\\
+END
+		    }
+		    chop $testing;
 		    $description.=<<END;
-$source2: $dependencies$depstat
-${tab}cd $directory; sh ./$buildfile
+$source2: $depstat
+$testing
+        else \\
+	    ${tab}cd $directory; sh ./$buildfile;\\
+        fi
 
 END
 		}
@@ -676,7 +704,7 @@ END
 		my ($owner,$group)=split(/\:/,$devchown);
 		if ($category ne 'conf') {
 		    $description.=<<END if $category ne 'symbolic link';
-\tinstall -o $owner -g $group -m $devchmod \$(SOURCE)/$source \$(TARGET)/$rot
+\ttest '-e \$(SOURCE)/$source' \&\& install -o $owner -g $group -m $devchmod \$(SOURCE)/$source \$(TARGET)/$rot || echo "**** LON-CAPA WARNING **** CVS source file does not exist: \$(SOURCE)/$source"
 END
                 }
 	    }
@@ -727,7 +755,7 @@ END
 		my ($owner,$group)=split(/\:/,$devchown);
 		if ($category eq 'conf') {
 		    $description.=<<END;
-\tinstall -b -S `date +'.\%Y\%m\%d\%H\%M\%S'` -o $owner -g $group -m $devchmod \$(SOURCE)/$source \$(TARGET)/$rot
+\tcp -p \$(TARGET)/$rot \$(TARGET)/$rot`date +'.\%Y\%m\%d\%H\%M\%S'` 2>/dev/null; install -o $owner -g $group -m $devchmod \$(SOURCE)/$source \$(TARGET)/$rot
 END
                 }
 	    }
@@ -1329,6 +1357,7 @@ END
 		my $category=$info{'LOCATION'}{$distribution}{$filesfull[$i]}{'CATEGORY'};
 		my $fdescription=$info{'LOCATION'}{$distribution}{$filesfull[$i]}{'DESCRIPTION'};
 		my $source=$info{'LOCATION'}{$distribution}{$filesfull[$i]}{'SOURCE'};
+		my $source2=$info{'LOCATION'}{$distribution}{$filesfull[$i]}{'SOURCE'};
 		my $note=$info{'LOCATION'}{$distribution}{$filesfull[$i]}{'NOTE'};
 		$note.="<BR>" if $note;
 		my $listing=$info{'LOCATION'}{$distribution}{$filesfull[$i]}{'FILES'};
@@ -1361,6 +1390,9 @@ END
 			$source="<FONT COLOR=#FF0000>$source</FONT>";
 		    }
 		}
+		my $checksum;
+		my $checksum_source;
+		my $checksum_target;
 		if ($mode eq 'status') {
 		    $filestatus='';
 		    my $fs;
@@ -1383,6 +1415,16 @@ END
 		    }
 		    else {
 			$fs=`find /$filesfull[$i] -prune -printf "\%m\t\%u\t\%g" 2>/dev/null`;
+			if (-f "/$filesfull[$i]" && !(-l "/$filesfull[$i]")) {
+			    $checksum_source=`md5sum ../../$source2 | cut -d ' ' -f1`;
+			    chop $checksum_source;
+			    $checksum_target=`md5sum /$filesfull[$i] | cut -d ' ' -f1`;
+			    chop $checksum_target;
+#			    warn ("CS: $checksum_source, CT: $checksum_target\n");
+			    unless ($checksum_source eq $checksum_target) {
+				$checksum="<BR><B><U>CHECKSUM DIFFERENCE</U></B>";
+			    }
+			}
 		    }
 		    my $fsl=`find /$filesfull[$i] -type l -prune -printf "\%m\t\%u\t\%g" 2>/dev/null`;
 		    unless ($fs || $filestatus) {
@@ -1406,13 +1448,13 @@ END
 			    $s='';
 			}
 			if ($fs eq "$chmod$s$chown" && $fs eq "$devchmod$s$devchown") {
-			    $filestatus='<TD BGCOLOR=#FFFFFF>runtime+development</TD>';
+			    $filestatus="<TD BGCOLOR=#FFFFFF>runtime+development$checksum</TD>";
 			}
 			elsif ($fs eq "$chmod$s$chown") {
-			    $filestatus='<TD BGCOLOR=#FFFFFF>runtime</TD>';
+			    $filestatus="<TD BGCOLOR=#FFFFFF>runtime$checksum</TD>";
 			}
 			elsif ($fs eq "$devchmod$s$devchown") {
-			    $filestatus='<TD BGCOLOR=#FFFFFF>development</TD>';
+			    $filestatus="<TD BGCOLOR=#FFFFFF>development$checksum</TD>";
 			}
 			else {
 			    $filestatus="<TD BGCOLOR=#FFFFFF><B><U>ERROR</U></B><BR>$fs</TD>";