diff --git a/lib/spack/spack/cmd/fetch.py b/lib/spack/spack/cmd/fetch.py
index 6f9e7ab5e21..57d6f6b63b3 100644
--- a/lib/spack/spack/cmd/fetch.py
+++ b/lib/spack/spack/cmd/fetch.py
@@ -33,10 +33,13 @@ def setup_parser(subparser):
     subparser.add_argument(
         '-n', '--no-checksum', action='store_true', dest='no_checksum',
         help="Do not check packages against checksum")
+    subparser.add_argument(
+        '-m', '--missing', action='store_true', help="Also fetch all missing dependencies")
+    subparser.add_argument(
+        '-D', '--dependencies', action='store_true', help="Also fetch all dependencies")
     subparser.add_argument(
         'packages', nargs=argparse.REMAINDER, help="specs of packages to fetch")
 
-
 def fetch(parser, args):
     if not args.packages:
         tty.die("fetch requires at least one package argument")
@@ -46,5 +49,13 @@ def fetch(parser, args):
 
     specs = spack.cmd.parse_specs(args.packages, concretize=True)
     for spec in specs:
+        if args.missing or args.dependencies:
+            to_fetch = set()
+            for s in spec.traverse():
+                package = spack.db.get(s)
+                if args.missing and package.installed:
+                    continue
+                package.do_fetch()
+
         package = spack.db.get(spec)
         package.do_fetch()
diff --git a/lib/spack/spack/cmd/mirror.py b/lib/spack/spack/cmd/mirror.py
index 4a1ce00b75d..89d51bbe046 100644
--- a/lib/spack/spack/cmd/mirror.py
+++ b/lib/spack/spack/cmd/mirror.py
@@ -54,6 +54,8 @@ def setup_parser(subparser):
         'specs', nargs=argparse.REMAINDER, help="Specs of packages to put in mirror")
     create_parser.add_argument(
         '-f', '--file', help="File with specs of packages to put in mirror.")
+    create_parser.add_argument(
+        '-D', '--dependencies', action='store_true', help="Also fetch all dependencies")
     create_parser.add_argument(
         '-o', '--one-version-per-spec', action='store_const', const=1, default=0,
         help="Only fetch one 'preferred' version per spec, not all known versions.")
@@ -118,7 +120,7 @@ def mirror_create(args):
     """Create a directory to be used as a spack mirror, and fill it with
        package archives."""
     # try to parse specs from the command line first.
-    specs = spack.cmd.parse_specs(args.specs)
+    specs = spack.cmd.parse_specs(args.specs, concretize=True)
 
     # If there is a file, parse each line as a spec and add it to the list.
     if args.file:
@@ -131,6 +133,14 @@ def mirror_create(args):
         specs = [Spec(n) for n in spack.db.all_package_names()]
         specs.sort(key=lambda s: s.format("$_$@").lower())
 
+    if args.dependencies:
+        new_specs = set()
+        for spec in specs:
+            spec.concretize()
+            for s in spec.traverse():
+                new_specs.add(s)
+        specs = list(new_specs)
+
     # Default name for directory is spack-mirror-<DATESTAMP>
     directory = args.directory
     if not directory:
diff --git a/lib/spack/spack/mirror.py b/lib/spack/spack/mirror.py
index ee0bf6de11f..6fbf82de143 100644
--- a/lib/spack/spack/mirror.py
+++ b/lib/spack/spack/mirror.py
@@ -146,7 +146,7 @@ def create(path, specs, **kwargs):
         stage = None
         try:
             # create a subdirectory for the current package@version
-            archive_path = os.path.abspath(join_path(path, mirror_archive_path(spec)))
+            archive_path = os.path.abspath(join_path(mirror_root, mirror_archive_path(spec)))
             subdir = os.path.dirname(archive_path)
             mkdirp(subdir)
 
diff --git a/var/spack/packages/py-cffi/package.py b/var/spack/packages/py-cffi/package.py
index a4d37483fe4..909049a67c9 100644
--- a/var/spack/packages/py-cffi/package.py
+++ b/var/spack/packages/py-cffi/package.py
@@ -4,7 +4,7 @@ class PyCffi(Package):
     """Foreign Function Interface for Python calling C code"""
     homepage = "http://cffi.readthedocs.org/en/latest/"
     # base https://pypi.python.org/pypi/cffi
-    url      = "https://pypi.python.org/packages/source/c/cffi/cffi-1.1.2.tar.gz#md5="
+    url      = "https://pypi.python.org/packages/source/c/cffi/cffi-1.1.2.tar.gz"
 
     version('1.1.2', 'ca6e6c45b45caa87aee9adc7c796eaea')