-#!/bin/sh
-set -e
+#!/usr/bin/perl
+use warnings;
+use strict;
-wikilist=/etc/ikiwiki/wikilist
+my $etcfile="/etc/ikiwiki/wikilist";
-processline () {
- user="$1"
- setup="$2"
-
- if [ -z "$user" ] || [ -z "$setup" ]; then
- echo "parse failure in /etc/ikiwiki/wikilist, line: '$user $setup'" >&2
- exit 1
- fi
+sub root {
+ $> == 0;
+}
+
+sub username {
+ (getpwuid($>))[0];
+}
+
+sub processline {
+ my $setup=shift;
- if [ ! -f "$setup" ]; then
- echo "warning: $setup specified in /etc/ikiwiki/wikilist does not exist, skipping" >&2
- else
- echo "Rebuilding $setup as user $user ..."
- su "$user" -c "ikiwiki -setup $setup"
- fi
+ if (! -f "$setup") {
+ print STDERR "warning: $setup does not exist, skipping\n";
+ return;
+ }
+ print "Processing $setup as user ".username()." ...\n";
+ my $ret=system("ikiwiki", "-setup", $setup, @ARGV);
+ if ($ret != 0) {
+ print STDERR "warning: processing $setup failed with code $ret\n";
+ }
+}
+
+my %users;
+sub processuser {
+ my $user=shift;
+ return if $user=~/^-/ || $users{$user};
+ $users{$user}=1;
+ my $ret=system("su", $user, "-s", "/bin/sh", "-c", "--", "$0 --nonglobal @ARGV");
+ if ($ret != 0) {
+ print STDERR "warning: processing for $user failed with code $ret\n";
+ }
+}
+
+sub processlist {
+ my $file=shift;
+
+ return unless -e $file;
+
+ my $list;
+ open ($list, "<$file") || die "$file: $!";
+ while (<$list>) {
+ chomp;
+ s/^\s+//;
+ s/\s+$//;
+ next if /^#/ || ! length;
+ if (/^([-\w]+)\s+([^\s]+)$/) {
+ my $user=$1;
+ my $setup=$2;
+ if (root()) {
+ processuser($user);
+ }
+ else {
+ if (username() eq $user) {
+ processline($setup);
+ }
+ }
+ }
+ elsif (/^([-\w]+)$/) {
+ my $user=$1;
+ if (root()) {
+ processuser($user);
+ }
+ else {
+ my $home=(getpwnam($user))[7];
+ if (defined $home && -d $home) {
+ my $dotfile="$home/.ikiwiki/wikilist";
+ processlist($dotfile);
+ }
+ }
+ }
+ }
+ close $list;
+}
+
+if (@ARGV && $ARGV[0] eq "--nonglobal") {
+ shift;
+ # avoid recursively processing if the wikilist file has a root
+ # user in it
+ if (root()) {
+ exit 1;
+ }
}
-if [ -e "$wikilist" ]; then
- grep -v '^#' $wikilist | grep -v '^$' | while read line; do
- processline $line
- done
-fi
+processlist($etcfile);