webstump: do not alter the moderator's post disposition when it differs from the...

[modbot-mtm.git] / install-substitutions

diff --git a/install-substitutions b/install-substitutions
index b0349fab4684b54184d4a7aa7dd7f12a93aa06fa..9bcee54da8a0182e7f93432b6408f914ee912735 100755 (executable)
--- a/install-substitutions
+++ b/install-substitutions
@@ -1,10 +1,19 @@
 #!/bin/bash
 set -e
-. settings
-export GROUP
-export ABBREV
-export INFOHEADER
-find -name '*.IN[O1]' -exec perl -e '
+
+if [ "x$1" = "x-n" ]; then
+        diffonly=1; diffsparse=0; shift
+elif [ "x$1" = "x-nq" ]; then
+        diffonly=1; diffsparse=1; shift
+else
+        diffonly=0; diffsparse=-1
+fi
+
+if [ $# != 0 ]; then echo >&2 "usage: ./${0##*/} [-n]"; exit 1; fi
+
+. ./get-settings
+
+find -name '*.IN[O1]' ! -path '*/skeleton/*' -exec perl -e '
        use IO::Handle;
        use POSIX;
        my $f= shift;
@@ -14,16 +23,29 @@ find -name '*.IN[O1]' -exec perl -e '
        my $g= "$d.new";
        open F, "< $f" or die "$f $!";
        open G, "> $g" or die "$g $!";
+       stat F or die "$f $!";
+       my $mode= (stat F)[2];
        while (<F>) {
                s/\%(\w+)\%/ 
-                       exists($ENV{$1}) ? $ENV{$1} : die "$1 ?"
+                       exists($ENV{$1}) ? $ENV{$1} : die "$1 undef at $f:$.\n"
                 /ge;
                print G or die $!;
        }
        F->error and die $!;
-       close F or die $!;
        close G or die $!;
-       if ($overwrite) {
+       if ($mode & 01) {
+               chmod 0755, $g or die "$g $!";
+       }
+       close F or die $!;
+        if ('$diffonly') {
+                if (!-f $d) {
+                        print "Would create $d\n";
+                } elsif ('$diffsparse' && !$overwrite) {
+                        print "Not reporting on $d as would not overwrite.\n";
+                } else {
+                        system "diff -u $d $g";
+                }
+        } elsif ($overwrite) {
                rename $g, $d or die "$g $d $!";
        } else {
                if (link $g, $d) {