Logger: defaulting debug level to zero.

While loading configuration it will check for new config files and
copy them to user's home directory.

zsh/01-config.zsh

@@ -1,9 +1,20 @@
 # Configuration file loader.
 if [ ! -d ${HOME}/.zsh-config.d/ ]; then
+    log 1 "Copying configuration to user's home directory..."
     cp -R "${CONFIG_PATH}/zsh/defaults/" ${HOME}/.zsh-config.d
     echo "Looks like it's a very first launch. So I've copied default config to '${HOME}/.zsh-config.d/'"
 fi
 
 for file in `find ${HOME}/.zsh-config.d/ -maxdepth 1 -type f -exec basename {} \; | sort`; do
+    log 1 "Loading configuration file: ${file}"
     source "${HOME}/.zsh-config.d/${file}"
 done
+
+log 1 "Checking for configuration consistency..."
+for file in `find ${CONFIG_PATH}/zsh/defaults/ -maxdepth 1 -type f -exec basename {} \; | sort`; do
+    if [ ! -f "${HOME}/.zsh-config.d/${file}" ]; then
+        cp "${CONFIG_PATH}/zsh/defaults/${file}" "${HOME}/.zsh-config.d/${file}"
+        log 0 "New configuration file '${file}' copied to your home directory (${HOME}/.zsh-config.d/)."
+        log 0 "Don't forget to take a look and configure, if neccessary!"
+    fi
+done

zsh/lib/logger.lib.sh

@@ -17,6 +17,18 @@ function log() {
     fi
 }
 
+# We are defaulting our DEBUG level to 0.
+# This value can be overriden with prepending "DEBUG=1" while launching
+# this script.
+# DEBUG_LEVEL will be taken from configuration.
+if [ -z ${DEBUG_LEVEL} ]; then
+    DEBUG_LEVEL=0
+fi
+
+if [ -z ${DEBUG} ]; then
+    DEBUG=0
+fi
+
 function log_common() {
     # Executes some common things for logs.
     local DEBUG_LVL=$1