1 files changed, 80 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/go/package.py b/var/spack/repos/builtin/packages/go/package.py
new file mode 100644
index 0000000000..13b83517d1
--- /dev/null
+++ b/var/spack/repos/builtin/packages/go/package.py
@@ -0,0 +1,80 @@
+import os
+import shutil
+import glob
+import llnl.util.tty as tty
+from spack import *
+
+
+class Go(Package):
+    """The golang compiler and build environment"""
+    homepage = "https://golang.org"
+    url = "https://go.googlesource.com/go"
+
+    extendable = True
+
+    version('1.5.4', git='https://go.googlesource.com/go', tag='go1.5.4')
+    version('1.6.2', git='https://go.googlesource.com/go', tag='go1.6.2')
+
+    variant('test',
+            default=True,
+            description="Run tests as part of build, a good idea but quite"
+            " time consuming")
+
+    provides('golang')
+
+    # to-do, make non-c self-hosting compilers feasible without backflips
+    # should be a dep on external go compiler
+    depends_on('go-bootstrap')
+    depends_on('git')
+
+    def install(self, spec, prefix):
+        bash = which('bash')
+        with working_dir('src'):
+            if '+test' in spec:
+                bash('all.bash')
+            else:
+                bash('make.bash')
+
+        try:
+            os.makedirs(prefix)
+        except OSError:
+            pass
+        for f in glob.glob('*'):
+            if os.path.isdir(f):
+                shutil.copytree(f, os.path.join(prefix, f))
+            else:
+                shutil.copy2(f, os.path.join(prefix, f))
+
+    def setup_environment(self, spack_env, run_env):
+        spack_env.set('GOROOT_FINAL', self.spec.prefix)
+        spack_env.set('GOROOT_BOOTSTRAP', self.spec['go-bootstrap'].prefix)
+
+    def setup_dependent_package(self, module, ext_spec):
+        """Called before go modules' install() methods.
+
+        In most cases, extensions will only need to set GOPATH and use go::
+
+        env = os.environ
+        env['GOPATH'] = self.source_path + ':' + env['GOPATH']
+        go('get', '<package>', env=env)
+        shutil.copytree('bin', os.path.join(prefix, '/bin'))
+        """
+        #  Add a go command/compiler for extensions
+        module.go = Executable(join_path(self.spec.prefix.bin, 'go'))
+
+    def setup_dependent_environment(self, spack_env, run_env, ext_spec):
+        if os.environ.get('GOROOT', False):
+            tty.warn('GOROOT is set, this is not recommended')
+
+        path_components = []
+        # Set GOPATH to include paths of dependencies
+        for d in ext_spec.traverse():
+            if d.package.extends(self.spec):
+                path_components.append(d.prefix)
+
+        # This *MUST* be first, this is where new code is installed
+        spack_env.set('GOPATH', ':'.join(path_components))
+
+        # Allow packages to find this when using module or dotkit
+        run_env.prepend_path('GOPATH', ':'.join(
+            [ext_spec.prefix] + path_components))