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#!/bin/bash
#
# Refresh an ikiwiki instance.
#

# Parameters
NAME="$1"
WEB_OWNER="$2"
WEB_GROUP="$3"
WWW_USER="<%= scope.lookupvar('ikiwiki::www_user') %>"
BASE="<%= scope.lookupvar('ikiwiki::sites_folder') %>"
SITE="$BASE/$NAME"
CONF="/etc/ikiwiki"
INSTANCE="ikiwiki"
REPO_OWNER="<%= scope.lookupvar('ikiwiki::git_implementation') %>"
REPO_GROUP="<%= scope.lookupvar('ikiwiki::git_implementation') %>"

# Syntax check
if [ -z "$INSTANCE" ]; then
  echo "Usage:`basename $0` <site> <instance>"
  exit 1
elif [ ! -e "$CONF/$NAME.setup" ]; then
  echo "No config file for $NAME"
  exit 1
fi

# Deploy if needed
if [ ! -d "$REPO" ]; then
  ikiwiki-deploy $NAME $WEB_OWNER $WEB_GROUP
fi

# Setup
ikiwiki --setup /etc/ikiwiki/$NAME.setup

# Fix permissions
chown -R $REPO_OWNER.$REPO_GROUP $REPO
chown -R $WEB_OWNER.$WEB_GROUP   $SITE/"$INSTANCE"_src $SITE/$INSTANCE
chown $WEB_OWNER.$WWW_USER       $SITE/$INSTANCE/ikiwiki.cgi
chmod 6550                       $SITE/$INSTANCE/ikiwiki.cgi

# Setuid/setgid
chmod 0755 $REPO/hooks/post-update
chmod 0550 $SITE/$INSTANCE/ikiwiki.cgi