Actually write output files.

diff --git a/scripts/named-conf b/scripts/named-conf
index 24f99068e4ee1ee95835b2a660714955f52876e0..0cad8021db6dba31e66c89ca3bede0c8777177ca 100755 (executable)
--- a/scripts/named-conf
+++ b/scripts/named-conf
@@ -3,6 +3,7 @@
 use strict;
 use IO::File;
 use Data::Dumper;
+use POSIX;
 
 use vars qw($quis
            $mode $doall
@@ -72,12 +73,11 @@ usage: named-conf-regen [-rvq] -f|-y|-n|<zone>...\n".
 " -v --verbose extra verbose\n";
 }
 
-cfg_fail("config filename $etcfile should have been absolute path of a file")
-    unless $etcfile =~ m,^/, && $etcfile !~ m,/$,;
+cfg_fail("config filename $etcfile should not be directory")
+    if $etcfile =~ m,/$,;
 
 use vars qw($default_dir);
-$default_dir= $etcfile;
-$default_dir =~ s,/[^/]+$,,;
+$default_dir= $etcfile =~ m,^.*/, ? $& : './';
 
 use vars qw($slave_dir $slave_prefix $slave_suffix);
 $slave_dir= 'slave';
@@ -104,6 +104,7 @@ read_config($etcfile);
 debug_dump('@zone_cfg_list %zone_cfg');
 process_zones($mode ? @zone_cfg_list : @ARGV);
 debug_dump('%output_contents');
+output_files() if $install;
 
 exit 0;
 
@@ -177,7 +178,7 @@ sub read_config ($) {
 
 sub qualify ($) {
     my ($i) = @_;
-    $i= "$default_dir/$i" unless $i =~ m,^/,;
+    $i= "$default_dir$i" unless $i =~ m,^/,;
     return $i;
 }
 
@@ -514,6 +515,48 @@ END
                $$cfg{'file'});
 }
 
+sub output_files () {
+    my ($fn,$ofn,$mfn,$l,$dir, $maxmode,$h,@to_install);
+    
+    foreach $ofn (keys %output_contents) {
+       $fn= $ofn; $mfn= "output file $fn";
+       for (;;) {
+           if (!lstat $fn) {
+               $! == &ENOENT or die "$quis: stat $mfn:\n $!\n";
+               $maxmode= 0666;
+               last;
+           } elsif (-f _) {
+               $maxmode= (stat _)[2];
+               last;
+           } elsif (-l _) {
+               defined($l= readlink $fn)
+                   or die "$quis: readlink $mfn:\n $!\n";
+               $dir= $fn =~ m,^.*/, ? $& : './';
+               $fn= "$dir$l" unless $l =~ m,^/,;
+               $mfn= "output file $fn (symlink target of $ofn)";
+           } else {
+               die "$quis: output file $mfn exists but is not a file".
+                   " (or symlink to one)";
+           }
+       }
+       unlink "$fn.new" or $! == &ENOENT or
+           die "$quis: cannot clear out old .new version of $mfn:\n $!";
+       $h= new IO::File "$fn.new",'w',$maxmode
+           or die("$quis: create .new version of $mfn:\n $!");
+       print $h
+           "# generated by $quis, do not edit\n",
+           $output_contents{$ofn}
+           or die "$quis: write data to .new version of $mfn:\n $!";
+        $h->close
+           or die "$quis: close .new version of $mfn:\n $!";
+       push @to_install, $fn,$mfn;
+    }
+
+    while (($fn,$mfn, @to_install) = @to_install) {
+       rename "$fn.new",$fn
+           or die "$quis: install new version of $mfn:\n $!";
+    }
+}
 
 #-------------------- general utilities