spack: introduce dependency types

deptypes: allow for different queries

For things like Python modules, they are required for the build and
runtime, but rather than adding a new parameter for what to query across
the dependency DAG, just expose the recursive query parameter.

var/spack/repos/builtin.mock/packages/cmake-client/package.py

@@ -38,7 +38,7 @@ class CmakeClient(Package):
 
     version('1.0', '4cb3ff35b2472aae70f542116d616e63')
 
-    depends_on('cmake')
+    depends_on('cmake', type='build')
 
 
     def setup_environment(self, spack_env, run_env):

var/spack/repos/builtin.mock/packages/dtbuild1/package.py

@@ -0,0 +1,18 @@
+from spack import *
+
+
+class Dtbuild1(Package):
+    """Package for use as a build tool for deptypes testing which has its own
+    deptree"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dtbuild1-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    depends_on('dtbuild2', type='build')
+    depends_on('dtlink2')
+    depends_on('dtrun2', type='run')
+
+    def install(self, spec, prefix):
+        pass

var/spack/repos/builtin.mock/packages/dtbuild2/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+
+class Dtbuild2(Package):
+    """Simple package which acts as a build dependency"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dtbuild2-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    def install(self, spec, prefix):
+        pass

var/spack/repos/builtin.mock/packages/dtbuild3/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+
+class Dtbuild3(Package):
+    """Simple package which acts as a build dependency"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dtbuild3-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    def install(self, spec, prefix):
+        pass

var/spack/repos/builtin.mock/packages/dtlink1/package.py

@@ -0,0 +1,15 @@
+from spack import *
+
+
+class Dtlink1(Package):
+    """Simple package which acts as a link dependency"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dtlink1-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    depends_on('dtlink3')
+
+    def install(self, spec, prefix):
+        pass

var/spack/repos/builtin.mock/packages/dtlink2/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+
+class Dtlink2(Package):
+    """Simple package which acts as a link dependency"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dtlink2-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    def install(self, spec, prefix):
+        pass

var/spack/repos/builtin.mock/packages/dtlink3/package.py

@@ -0,0 +1,16 @@
+from spack import *
+
+
+class Dtlink3(Package):
+    """Simple package which acts as a link dependency"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dtlink3-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    depends_on('dtbuild2', type='build')
+    depends_on('dtlink4')
+
+    def install(self, spec, prefix):
+        pass

var/spack/repos/builtin.mock/packages/dtlink4/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+
+class Dtlink4(Package):
+    """Simple package which acts as a link dependency"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dtlink4-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    def install(self, spec, prefix):
+        pass

var/spack/repos/builtin.mock/packages/dtlink5/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+
+class Dtlink5(Package):
+    """Simple package which acts as a link dependency"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dtlink5-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    def install(self, spec, prefix):
+        pass

var/spack/repos/builtin.mock/packages/dtrun1/package.py

@@ -0,0 +1,16 @@
+from spack import *
+
+
+class Dtrun1(Package):
+    """Simple package which acts as a run dependency"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dtrun1-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    depends_on('dtlink5')
+    depends_on('dtrun3', type='run')
+
+    def install(self, spec, prefix):
+        pass

var/spack/repos/builtin.mock/packages/dtrun2/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+
+class Dtrun2(Package):
+    """Simple package which acts as a run dependency"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dtrun2-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    def install(self, spec, prefix):
+        pass

var/spack/repos/builtin.mock/packages/dtrun3/package.py

@@ -0,0 +1,15 @@
+from spack import *
+
+
+class Dtrun3(Package):
+    """Simple package which acts as a run dependency"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dtrun3-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    depends_on('dtbuild3', type='build')
+
+    def install(self, spec, prefix):
+        pass

var/spack/repos/builtin.mock/packages/dttop/package.py

@@ -0,0 +1,17 @@
+from spack import *
+
+
+class Dttop(Package):
+    """Package with a complicated dependency tree"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dttop-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    depends_on('dtbuild1', type='build')
+    depends_on('dtlink1')
+    depends_on('dtrun1', type='run')
+
+    def install(self, spec, prefix):
+        pass

var/spack/repos/builtin.mock/packages/dtuse/package.py

@@ -0,0 +1,15 @@
+from spack import *
+
+
+class Dtuse(Package):
+    """Simple package which uses dttop"""
+
+    homepage = "http://www.example.com"
+    url = "http://www.example.com/dtuse-1.0.tar.gz"
+
+    version('1.0', '0123456789abcdef0123456789abcdef')
+
+    depends_on('dttop')
+
+    def install(self, spec, prefix):
+        pass