Make text wrapping off by default in tty, add a kwarg for it.

lib/spack/llnl/util/tty/__init__.py

@@ -63,35 +63,46 @@ def msg(message, *args):
 def info(message, *args, **kwargs):
     format = kwargs.get('format', '*b')
     stream = kwargs.get('stream', sys.stdout)
+    wrap   = kwargs.get('wrap', False)
 
     cprint("@%s{==>} %s" % (format, cescape(str(message))), stream=stream)
     for arg in args:
+        if wrap:
             lines = textwrap.wrap(
                 str(arg), initial_indent=indent, subsequent_indent=indent)
             for line in lines:
                 stream.write(line + '\n')
+        else:
+            stream.write(indent + str(arg) + '\n')
 
 
-def verbose(message, *args):
+def verbose(message, *args, **kwargs):
     if _verbose:
-        info(message, *args, format='c')
+        kwargs.setdefault('format', 'c')
+        info(message, *args, **kwargs)
 
 
-def debug(message, *args):
+def debug(message, *args, **kwargs):
     if _debug:
-        info(message, *args, format='g', stream=sys.stderr)
+        kwargs.setdefault('format', 'g')
+        kwargs.setdefault('stream', sys.stderr)
+        info(message, *args, **kwargs)
 
 
-def error(message, *args):
+def error(message, *args, **kwargs):
-    info("Error: " + str(message), *args, format='*r', stream=sys.stderr)
+    kwargs.setdefault('format', '*r')
+    kwargs.setdefault('stream', sys.stderr)
+    info("Error: " + str(message), *args, **kwargs)
 
 
-def warn(message, *args):
+def warn(message, *args, **kwargs):
-    info("Warning: " + str(message), *args, format='*Y', stream=sys.stderr)
+    kwargs.setdefault('format', '*Y')
+    kwargs.setdefault('stream', sys.stderr)
+    info("Warning: " + str(message), *args, **kwargs)
 
 
-def die(message, *args):
+def die(message, *args, **kwargs):
-    error(message, *args)
+    error(message, *args, **kwargs)
     sys.exit(1)
 
 

lib/spack/spack/config.py

@@ -135,8 +135,34 @@
 import spack.util.spack_yaml as syaml
 
 
-"""Dict from section names -> function to check section YAML format."""
+"""Dict from section names -> schema for that section."""
-valid_sections = ['compilers', 'mirrors', 'repos']
+section_schemas = {
+    'compilers' : {
+        '$schema': 'http://json-schema.org/schema#',
+        'title' : 'Spack compiler configuration file schema',
+        'type' : 'object',
+        'properties' : {
+            'compilers' : {
+                'type' : 'map',
+            },
+        },
+    },
+
+    'mirrors' : {
+        '$schema': 'http://json-schema.org/schema#',
+        'title' : 'Spack mirror configuration file schema',
+        'type' : 'map',
+        'properties' : {
+            'mirrors' : {
+
+            }
+        },
+    },
+
+    'repos' : {
+        '$schema': 'http://json-schema.org/schema#',
+        'title' : 'Spack repository configuration file schema',
+    }}
 
 """OrderedDict of config scopes keyed by name.
    Later scopes will override earlier scopes.
@@ -146,9 +172,9 @@
 
 def validate_section(section):
     """Raise a ValueError if the section is not a valid section."""
-    if section not in valid_sections:
+    if section not in section_schemas:
         raise ValueError("Invalid config section: '%s'.  Options are %s."
-                         % (section, valid_sections))
+                         % (section, section_schemas))
 
 
 class ConfigScope(object):
@@ -369,10 +395,12 @@ def update_config(section, update_data, scope=None):
     scope.write_section(section)
 
 
-"""Print a configuration to stdout"""
 def print_section(section):
+    """Print a configuration to stdout."""
     try:
-        yaml.dump(get_config(section), stream=sys.stdout, default_flow_style=False)
+        data = syaml.syaml_dict()
+        data[section] = get_config(section)
+        syaml.dump(data, stream=sys.stdout, default_flow_style=False)
     except (yaml.YAMLError, IOError) as e:
         raise ConfigError("Error reading configuration: %s" % section)
 

lib/spack/spack/package.py

@@ -858,7 +858,7 @@ def cleanup():
                 tty.warn("Keeping install prefix in place despite error.",
                          "Spack will think this package is installed." +
                          "Manually remove this directory to fix:",
-                         self.prefix)
+                         self.prefix, wrap=True)
 
 
         def real_work():