Decided to keep (so far) only one file fot docker init.

Author: chbrandt

config_user.sh

@@ -13,8 +13,42 @@ DARGS="$*"
 # Save the current path
 CWD="$PWD"
 
+function config_user()
+{
+    #================================================#
+    # Config a User                                  #
+    # -------------                                  #
+    # It is meant to run during container's init     #
+    #  process. Such process is necessary to better  #
+    #  exchange files/bus between host/container.    #
+    # Variables DUSER, DUID, DGID are read from the  #
+    #  environment; if NOUSER is set, do nothing.    #
+    #================================================#
+    
+    DEFAULT_USER="user"
+    DEFAULT_UID="1000"
+    DEFAULT_GID="100"
+    
+    [[ ! -z "$NOUSER" ]] && \
+        # nothing to be done here
+        return 0
+    
+    DUSER="${DUSER-$DEFAULT_USER}"
+    DUID="${DUID-$DEFAULT_UID}"
+    DGID="${DGID-$DEFAULT_GID}"
+    
+    useradd -u "$DUID" \
+            -g "$DGID" \
+            -d "/home/$DUSER" -m \
+            -s /bin/bash \
+            "$DUSER"
+    
+    echo $DUSER
+}
+
+
 # Add a user here
-USERNAME=$(${CWD}/config_user.sh)
+USERNAME=$(config_user)
 
 # If no user created, define the current one (root)
 [[ `id $USERNAME` ]] || USERNAME="$USER"
@@ -39,3 +73,5 @@ fi
 
 su -l $USERNAME -c "cd $WORKDIR && $INTERP $DARGS"
 
+#!/bin/bash -e
+