adding couchdb-lucene formula

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

* Tweaked path concatenation a bit
* Tweaked writing out the config file a bit

Library/Formula/couchdb-lucene.rb

@@ -0,0 +1,42 @@
+require 'formula'
+
+class CouchdbLucene <Formula
+  version '0.4'
+  url 'http://github.com/rnewson/couchdb-lucene/tarball/v' + version
+  homepage 'http://github.com/rnewson/couchdb-lucene'
+  md5 'b0f3c7c942a0eb80e3f9bff061a0677a'
+
+  depends_on 'couchdb'
+  depends_on 'maven'
+
+  def install
+    # Skipping tests because the integration test assumes that couchdb-lucene
+    # has been integrated with a local couchdb instance. Not sure if there's a
+    # way to only disable the integration test.
+    system "mvn", "-DskipTests=true"
+
+    lib_path = lib + "couchdb-lucene"
+    index_path = var + "lib/couchdb-lucene"
+    log_path = var + "log/couchdb-lucene"
+    couchdb_cfg_path = etc + "couchdb/local.d"
+    jar_name = "couchdb-lucene-#{version}-jar-with-dependencies.jar"
+
+    [lib_path, index_path, log_path, couchdb_cfg_path].each {|p| p.mkpath}
+
+    lib_path.install "target/#{jar_name}"
+
+    (couchdb_cfg_path + "couchdb-lucene.ini").write <<-EOS
+[couchdb]
+os_process_timeout=60000 ; increase the timeout from 5 seconds.
+
+[external]
+fti=/usr/bin/java -Dcouchdb.lucene.dir=#{index_path} -Dcouchdb.log.dir=#{log_path} -server -jar #{lib_path + jar_name} -search
+
+[update_notification]
+indexer=/usr/bin/java -Dcouchdb.lucene.dir=#{index_path} -Dcouchdb.log.dir=#{log_path} -server -jar #{lib_path + jar_name} -index
+
+[httpd_db_handlers]
+_fti = {couch_httpd_external, handle_external_req, <<"fti">>}
+    EOS
+  end
+end