Rename RepoInstaller to Repository

pre_commit/repository.py

@@ -0,0 +1,44 @@
+
+import contextlib
+from plumbum import local
+
+from pre_commit.hooks_workspace import in_hooks_workspace
+
+
+class Repository(object):
+    def __init__(self, repo_config):
+        self.repo_config = repo_config
+
+    @property
+    def repo_url(self):
+        return self.repo_config['repo']
+
+    @property
+    def sha(self):
+        return self.repo_config['sha']
+
+    @contextlib.contextmanager
+    def in_checkout(self):
+        with in_hooks_workspace():
+            with local.cwd(self.sha):
+                yield
+
+    def create(self):
+        with in_hooks_workspace():
+            if local.path(self.sha).exists():
+                # Project already exists, no reason to re-create it
+                return
+
+            local['git']['clone', self.repo_url, self.sha]()
+            with self.in_checkout():
+                local['git']['checkout', self.sha]()
+
+    def install(self):
+        # Create if we have not already
+        self.create()
+        # TODO: need to take in the config here and determine if we actually
+        # need to run any installers (and what languages to install)
+        with self.in_checkout():
+            if local.path('setup.py').exists():
+                local['virtualenv']['py_env']()
+                local['bash']['-c', 'source py_env/bin/activate && pip install .']()