commit.

[ikiwiki.git] / ikiwiki-update-wikilist

diff --git a/ikiwiki-update-wikilist b/ikiwiki-update-wikilist
new file mode 100755 (executable)
index 0000000..0f3f0bc
--- /dev/null
+++ b/ikiwiki-update-wikilist
@@ -0,0 +1,48 @@
+#!/usr/bin/perl -t
+# Add a user to the system wide wikilist.
+# This script can safely be made suid.
+use warnings;
+use strict;
+use English;
+
+my $username=getpwuid($REAL_USER_ID);
+if (! defined $username || ! length $username) {
+       die "unable to determine user name for UID $REAL_USER_ID\n";
+}
+
+my $wikilist="/etc/ikiwiki/wikilist";
+if (! -e $wikilist) {
+       die "$wikilist does not exist\n";
+}
+
+my $removed=0;
+my @lines;
+open (my $list, "<$wikilist") || die "read $wikilist: $!";
+while (<$list>) {
+       chomp;
+       if (/^\s*([^\s]+)\s*$/) {
+               my $user=$1;
+               if ($user eq $username) {
+                       $removed=1;             
+               }
+               else {
+                       push @lines, $_;
+               }
+       }
+       else {
+               push @lines, $_;
+       }
+}
+close $list || die "error reading $list: $!";
+open ($list, ">$wikilist") || die "write $wikilist: $!";
+foreach (@lines) {
+       print $list "$_\n";
+}
+if ($removed) {
+       print "removed user $username from $wikilist\n";
+}
+else {
+       print $list "$username\n";
+       print "added user $username to $wikilist\n";
+}
+close $list || die "error writing $list: $!";