style: add newline at end of file

.gitignore

@@ -0,0 +1 @@
+/.idea/

conf/docker/iconv.sh

@@ -3,16 +3,16 @@ mkdir -p /tmp
 
 wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.16.tar.gz -O /tmp/libiconv.tar.gz
 tar xf /tmp/libiconv.tar.gz -C /tmp
-cd /tmp/libiconv-1.16/
+cd /tmp/libiconv-1.16/ || exit
 sed -i 's/_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");/#if HAVE_RAW_DECL_GETS\n_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");\n#endif/g' srclib/stdio.in.h
 ./configure --prefix=/usr/local
 make && make install
 
-php_version=`php -r "phpinfo();" | grep "PHP Version" | head -1`
+php_version=$(php -r "phpinfo();" | grep "PHP Version" | head -1)
 php_version=${php_version#*=> }
-wget http://php.net/distributions/php-$php_version.tar.gz -O /tmp/php.tar.gz
+wget http://php.net/distributions/php-"$php_version".tar.gz -O /tmp/php.tar.gz
 tar xf /tmp/php.tar.gz -C /tmp
-cd /tmp/php-$php_version/ext/iconv
+cd /tmp/php-"$php_version"/ext/iconv || exit
 phpize
 ./configure --with-iconv=/usr/local
 make && make install

conf/docker/vlmcsd.sh

@@ -1,7 +1,6 @@
 apk add --no-cache git make build-base
 git clone --branch master --single-branch https://github.com/Wind4/vlmcsd.git /tmp/vlmcsd-build
-cd /tmp/vlmcsd-build
-make
+cd /tmp/vlmcsd-build || exit && make
 mkdir /tmp/vlmcsd
 cp /tmp/vlmcsd-build/bin/vlmcs /tmp/vlmcsd/
 cp /tmp/vlmcsd-build/bin/vlmcsd /tmp/vlmcsd/