From ffd7fcfeae274023070c5afabcedce2eee1aa28a Mon Sep 17 00:00:00 2001
From: Simon de Haan <simon@praekeltfoundation.org>
Date: Fri, 24 Oct 2014 08:26:40 +0200
Subject: [PATCH] simple versioning tool

---
 elasticgit/commands/tests/test_version.py | 23 ++++++++++++++
 elasticgit/commands/version.py            | 37 +++++++++++++++++++++++
 elasticgit/tools.py                       |  2 ++
 3 files changed, 62 insertions(+)
 create mode 100644 elasticgit/commands/tests/test_version.py
 create mode 100644 elasticgit/commands/version.py

diff --git a/elasticgit/commands/tests/test_version.py b/elasticgit/commands/tests/test_version.py
new file mode 100644
index 0000000..e1dfe81
--- /dev/null
+++ b/elasticgit/commands/tests/test_version.py
@@ -0,0 +1,23 @@
+from StringIO import StringIO
+import json
+
+from elasticgit import version_info
+from elasticgit.tests.base import ToolBaseTest
+from elasticgit.commands.version import VersionTool
+
+
+class TestVersionTool(ToolBaseTest):
+
+    def test_dump_version_info(self):
+        tool = VersionTool()
+        tool.stdout = StringIO()
+        tool.run('the name', 'the license', 'the author', 'the author url')
+        self.assertEqual(
+            json.loads(tool.stdout.getvalue()),
+            {
+                'name': 'the name',
+                'license': 'the license',
+                'author': 'the author',
+                'author_url': 'the author url',
+                'version_info': version_info
+            })
diff --git a/elasticgit/commands/version.py b/elasticgit/commands/version.py
new file mode 100644
index 0000000..1e405d4
--- /dev/null
+++ b/elasticgit/commands/version.py
@@ -0,0 +1,37 @@
+import sys
+import json
+
+from elasticgit import version_info
+from elasticgit.commands.base import ToolCommand, CommandArgument
+
+
+class VersionTool(ToolCommand):
+
+    command_name = 'version'
+    command_help_text = ('Tools for versioning & version checking '
+                         'a content repository')
+    command_arguments = (
+        CommandArgument(
+            '-n', '--name',
+            help='The name to give this repository', required=True),
+        CommandArgument(
+            '-l', '--license',
+            help='The license the publish this content under.', required=True),
+        CommandArgument(
+            '-a', '--author',
+            help='The author', required=True),
+        CommandArgument(
+            '-au', '--author-url',
+            help='The url where to find more information about the author'),
+    )
+
+    stdout = sys.stdout
+
+    def run(self, name, license, author, author_url=None):
+        json.dump({
+            'name': name,
+            'license': license,
+            'author': author,
+            'author_url': author_url,
+            'version_info': version_info,
+        }, fp=self.stdout, indent=2)
diff --git a/elasticgit/tools.py b/elasticgit/tools.py
index 9c34146..5edf740 100644
--- a/elasticgit/tools.py
+++ b/elasticgit/tools.py
@@ -3,6 +3,7 @@
 from elasticgit.commands.avro import SchemaDumper, SchemaLoader
 from elasticgit.commands.gitmodel import MigrateGitModelRepo
 from elasticgit.commands.shell import EGShell
+from elasticgit.commands.version import VersionTool
 
 
 def add_command(subparsers, dispatcher_class):  # pragma: no cover
@@ -23,6 +24,7 @@ def get_parser():  # pragma: no cover
     add_command(subparsers, SchemaLoader)
     add_command(subparsers, MigrateGitModelRepo)
     add_command(subparsers, EGShell)
+    add_command(subparsers, VersionTool)
 
     return parser