1 files changed, 43 insertions, 0 deletions
diff --git a/var/spack/repos/builtin.mock/packages/git-url-top-level/package.py b/var/spack/repos/builtin.mock/packages/git-url-top-level/package.py
new file mode 100644
index 0000000000..8b41eda0eb
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+++ b/var/spack/repos/builtin.mock/packages/git-url-top-level/package.py
@@ -0,0 +1,43 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class GitUrlTopLevel(Package):
+    """Mock package that top-level git and url attributes.
+
+    This demonstrates how Spack infers fetch mechanisms from parameters
+    to the ``version`` directive.
+
+    """
+    homepage = "http://www.git-fetch-example.com"
+
+    git = 'https://example.com/some/git/repo'
+    url = 'https://example.com/some/tarball-1.0.tar.gz'
+
+    # These resolve to git fetchers
+    version('develop', branch='develop')
+    version('submodules', submodules=True)
+    version('3.4', commit='abc34')
+    version('3.3', branch='releases/v3.3', commit='abc33')
+    version('3.2', branch='releases/v3.2')
+    version('3.1', tag='v3.1', commit='abc31')
+    version('3.0', tag='v3.0')
+
+    # These resolve to URL fetchers
+    version('2.3', 'abc23', url='https://www.example.com/foo2.3.tar.gz')
+    version('2.2', sha256='abc22', url='https://www.example.com/foo2.2.tar.gz')
+    version('2.1', sha256='abc21')
+    version('2.0', 'abc20')
+
+    # These result in a FetcherConflict b/c we can't tell what to use
+    version('1.3', sha256='abc13', commit='abc13')
+    version('1.2', sha512='abc12', branch='releases/v1.2')
+    version('1.1', md5='abc11', tag='v1.1')
+    version('1.0', 'abc11', tag='abc123')
+
+    def install(self, spec, prefix):
+        pass