Merge branch 'develop' into features/external-packages

Conflicts:
	lib/spack/spack/cmd/mirror.py
	lib/spack/spack/concretize.py
	lib/spack/spack/config.py
	lib/spack/spack/spec.py
	lib/spack/spack/stage.py
	var/spack/packages/mvapich2/package.py

2 files changed, 36 insertions, 6 deletions

diff --git a/bin/spack b/bin/spack
index 5c042edd2d..93263217ac 100755
--- a/bin/spack
+++ b/bin/spack
@@ -7,7 +7,7 @@
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
 #
-# For details, see https://scalability-llnl.github.io/spack
+# For details, see https://github.com/llnl/spack
 # Please also see the LICENSE file for our notice and the LGPL.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -38,6 +38,31 @@ SPACK_PREFIX = os.path.dirname(os.path.dirname(SPACK_FILE))
 # Allow spack libs to be imported in our scripts
 SPACK_LIB_PATH = os.path.join(SPACK_PREFIX, "lib", "spack")
 sys.path.insert(0, SPACK_LIB_PATH)
+SPACK_EXTERNAL_LIBS = os.path.join(SPACK_LIB_PATH, "external")
+sys.path.insert(0, SPACK_EXTERNAL_LIBS)
+
+import warnings
+# Avoid warnings when nose is installed with the python exe being used to run 
+# spack. Note this must be done after Spack's external libs directory is added 
+# to sys.path. 
+with warnings.catch_warnings():
+    warnings.filterwarnings("ignore", ".*nose was already imported")
+    import nose
+
+# Quick and dirty check to clean orphaned .pyc files left over from
+# previous revisions.  These files were present in earlier versions of
+# Spack, were removed, but shadow system modules that Spack still
+# imports.  If we leave them, Spack will fail in mysterious ways.
+# TODO: more elegant solution for orphaned pyc files.
+orphaned_pyc_files = [os.path.join(SPACK_EXTERNAL_LIBS, n)
+                      for n in ('functools.pyc', 'ordereddict.pyc')]
+for pyc_file in orphaned_pyc_files:
+    if not os.path.exists(pyc_file):
+        continue
+    try:
+        os.remove(pyc_file)
+    except OSError as e:
+        print "WARNING: Spack may fail mysteriously. Couldn't remove orphaned .pyc file: %s" % pyc
 
 # If there is no working directory, use the spack prefix.
 try:
@@ -72,6 +97,8 @@ spec expressions:
 
 parser.add_argument('-d', '--debug', action='store_true',
                     help="Write out debug logs during compile")
+parser.add_argument('-D', '--pdb', action='store_true',
+                    help="Run spack under the pdb debugger")
 parser.add_argument('-k', '--insecure', action='store_true',
                     help="Do not check ssl certificates when downloading.")
 parser.add_argument('-m', '--mock', action='store_true',
@@ -113,12 +140,12 @@ def main():
 
     spack.spack_working_dir = working_dir
     if args.mock:
-        from spack.packages import PackageDB
-        spack.db = PackageDB(spack.mock_packages_path)
+        from spack.repository import RepoPath
+        spack.repo.swap(RepoPath(spack.mock_packages_path))
 
     # If the user asked for it, don't check ssl certs.
     if args.insecure:
-        tty.warn("You asked for --insecure, which does not check SSL certificates or checksums.")
+        tty.warn("You asked for --insecure, which does not check SSL certificates.")
         spack.curl.add_default_arg('-k')
 
     # Try to load the particular command asked for and run it
@@ -131,7 +158,7 @@ def main():
         sys.stderr.write('\n')
         tty.die("Keyboard interrupt.")
 
-    # Allow commands to return values if they want to exit with some ohter code.
+    # Allow commands to return values if they want to exit with some other code.
     if return_val is None:
         sys.exit(0)
     elif isinstance(return_val, int):
@@ -142,5 +169,8 @@ def main():
 if args.profile:
     import cProfile
     cProfile.run('main()', sort='tottime')
+elif args.pdb:
+    import pdb
+    pdb.run('main()')
 else:
     main()
diff --git a/bin/spack-python b/bin/spack-python
index 8a4b9c175d..e0745e8c58 100755
--- a/bin/spack-python
+++ b/bin/spack-python
@@ -7,7 +7,7 @@
 # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
 # LLNL-CODE-647188
 #
-# For details, see https://scalability-llnl.github.io/spack
+# For details, see https://github.com/llnl/spack
 # Please also see the LICENSE file for our notice and the LGPL.
 #
 # This program is free software; you can redistribute it and/or modify