t/git-cgi.t: fix race condition

[git.ikiwiki.info.git] / ikiwiki-mass-rebuild

diff --git a/ikiwiki-mass-rebuild b/ikiwiki-mass-rebuild
index 7ec41e98f7734db9b132e139c475ac44e869a6f7..9b57532bcce1897454b46a08ef62055c6982525c 100755 (executable)
--- a/ikiwiki-mass-rebuild
+++ b/ikiwiki-mass-rebuild
@@ -1,29 +1,90 @@
-#!/bin/sh
-set -e
+#!/usr/bin/perl
+use warnings;
+use strict;

 
 

-action="$@"
+my $etcfile="/etc/ikiwiki/wikilist";

 
 

-wikilist=/etc/ikiwiki/wikilist
+sub root {
+       $> == 0;
+}

 
 

-processline () {
-       user="$1"
-       setup="$2"
-       
-       if [ -z "$user" ] || [ -z "$setup" ]; then
-               echo "parse failure in /etc/ikiwiki/wikilist, line: '$user $setup'" >&2
-               exit 1
-       fi
+sub username {
+       (getpwuid($>))[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 "Processing $setup as user $user ..."
-               su "$user" -c "ikiwiki -setup $setup $action"
-       fi
+       if (! -f "$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);