Release v1.12

This release enables using environment variables in the builder.conf,
and adds a README for making/installing the program.

Signed-off-by: Tudor Marcu <tudor.marcu@intel.com>

README

@@ -1,3 +1,23 @@
+Building this Project
+=====================
+For help using automake see
+http://www.gnu.org/software/automake/manual/html_node/index.html
+
+Configure:
+    aclocal
+    autoconf
+    automake --add-missing
+    # Defaults to /usr/local or specific --prefix=/usr
+    # to overwrite the installed version
+    ./configure
+
+Build:
+    make
+
+Install:
+    make -n install
+    sudo make install
+
 Configuration File
 ==================
 Please update the configuration file paths to point to where your

bundle-chroot-builder.py

@@ -25,6 +25,7 @@ import argparse
 import configparser
 import os
 import os.path
+import io
 import platform
 import re
 import shutil
@@ -54,9 +55,20 @@ def get_config(args):
     if args.config:
         buildconf = args.config
 
-    config = configparser.ConfigParser()
     print("Reading from %s" % buildconf)
-    config.read(buildconf)
+    cfg_txt = ""
+    # Check that the environment variables in the config file are valid
+    pattern = re.compile("\$\{?(\w+)\}?")
+    for i, line in enumerate(open(buildconf, 'r')):
+        for match in re.finditer(pattern, line):
+            if not match.group(1) in os.environ:
+                print("ERROR:\nbuilder.conf contains an undefined environment variable: %s on line %s\n"
+                        % (i+1, match.group(1)))
+                exit(1)
+        cfg_txt += os.path.expandvars(line)
+
+    config = configparser.ConfigParser()
+    config.readfp(io.StringIO(cfg_txt))
     return config
 
 

configure.ac

@@ -1,5 +1,5 @@
 AC_PREREQ([2.68])
-AC_INIT([bundle-chroot-builder],[1.11],[tudor.marcu@intel.com],[bundle-chroot-builder])
+AC_INIT([bundle-chroot-builder],[1.12],[tudor.marcu@intel.com],[bundle-chroot-builder])
 AM_INIT_AUTOMAKE([foreign silent-rules color-tests no-dist-gzip dist-xz])
 AC_CONFIG_FILES(Makefile)
 AC_PREFIX_DEFAULT(/usr/local)