Merge branch 'releases/v0.12'

lib/spack/docs/tutorial_basics.rst

@@ -1635,7 +1635,7 @@ added to the configuration.
 
 .. code-block:: console
 
-  $ spack install gcc
+  $ spack install gcc @7.2.0
   ==> libsigsegv is already installed in /home/spack1/spack/opt/spack/linux-ubuntu16.04-x86_64/gcc-5.4.0/libsigsegv-2.11-fypapcprssrj3nstp6njprskeyynsgaz
   ==> m4 is already installed in /home/spack1/spack/opt/spack/linux-ubuntu16.04-x86_64/gcc-5.4.0/m4-1.4.18-suf5jtcfehivwfesrc5hjy72r4nukyel
   ==> pkgconf is already installed in /home/spack1/spack/opt/spack/linux-ubuntu16.04-x86_64/gcc-5.4.0/pkgconf-1.4.2-fovrh7alpft646n6mhis5mml6k6e5f4v

lib/spack/spack/__init__.py

@@ -5,7 +5,7 @@
 
 
 #: major, minor, patch version for Spack, in a tuple
-spack_version_info = (0, 12, 0)
+spack_version_info = (0, 12, 1)
 
 #: String containing Spack version joined with .'s
 spack_version = '.'.join(str(v) for v in spack_version_info)

lib/spack/spack/binary_distribution.py

@@ -585,14 +585,14 @@ def get_keys(install=False, trust=False, force=False):
             tty.msg("Finding public keys in %s" % mirror)
             files = os.listdir(mirror)
             for file in files:
-                if re.search('\.key', file):
+                if re.search(r'\.key', file):
                     link = 'file://' + mirror + '/' + file
                     keys.add(link)
         else:
             tty.msg("Finding public keys on %s" % url)
             p, links = spider(url + "/build_cache", depth=1)
             for link in links:
-                if re.search("\.key", link):
+                if re.search(r'\.key', link):
                     keys.add(link)
         for link in keys:
             with Stage(link, name="build_cache", keep=True) as stage: