Add bsdiff

Author: monkey-company

scripts/before-pecl.sh

@@ -1,5 +1,13 @@
 #!/bin/bash
 
+#bsdiff extension
+apt-get install bzip2 git -y
+git clone https://github.com/monkey-company/phpdiff.git
+cd phpdiff
+phpize
+export LDFLAGS="-lbz2" && ./configure --with-php-config=/php-path/bin/php-config
+make && make install
+
 #xdiff library
 cd /usr/src
 wget http://www.xmailserver.org/libxdiff-0.22.tar.gz