feat: new install test

- Added run-test-install.sh script for testing install process;
- Refactored `onlinesetup` script;

Author: OleksiiBulba

bin/onlinesetup

@@ -2,9 +2,13 @@
 
 REPO=${1:-https://github.com/OleksiiBulba/php-dockerizer}
 VERSION=${2:-origin/master}
-INSTALL_DIR=${3:-dockerizer}
+INSTALL_ROOT=${3:-./}
+INSTALL_DIR=${4:-dockerizer}
 
-mkdir $INSTALL_DIR; cd ./$INSTALL_DIR
+INSTALL_ROOT=$(realpath $INSTALL_ROOT)
+
+CURRENT_DIR=$(pwd)
+cd $INSTALL_ROOT; mkdir $INSTALL_DIR; cd ./$INSTALL_DIR
 
 git init -qqq
 git remote add origin $REPO
@@ -17,3 +21,4 @@ shopt -s dotglob
 mv ./src/* ../
 $PREV_DOTGLOB
 cd ../; rm -rf ./$INSTALL_DIR
+cd $CURRENT_DIR

tests/run-test-install.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+branch=$(git branch | sed -n -e 's/^\* \(.*\)/\1/p')
+curl -s https://raw.githubusercontent.com/OleksiiBulba/php-dockerizer/master/bin/onlinesetup | bash -s -- https://github.com/OleksiiBulba/php-dockerizer $branch dockerizer