1 files changed, 41 insertions, 0 deletions
diff --git a/plugins/get_app_version/get_app_version.py b/plugins/get_app_version/get_app_version.py
new file mode 100644
index 0000000..bd671a7
--- /dev/null
+++ b/plugins/get_app_version/get_app_version.py
@@ -0,0 +1,41 @@
+from __future__ import unicode_literals
+
+import os
+import subprocess
+
+from pelican import signals
+
+
+def app_version(generator):
+    def minimal_env_cmd(cmd):
+        # make minimal environment
+        env = {}
+        for k in ['SYSTEMROOT', 'PATH']:
+            v = os.environ.get(k)
+            if v is not None:
+                env[k] = v
+
+        env['LANGUAGE'] = 'C'
+        env['LANG'] = 'C'
+        env['LC_ALL'] = 'C'
+        out = subprocess.Popen(
+            cmd, stdout=subprocess.PIPE, env=env).communicate()[0]
+        return out
+
+    try:
+        # version
+        describe = minimal_env_cmd(["git", "describe", "--always"])
+        git_revision = describe.strip().decode('ascii')
+        # branch
+        branch = minimal_env_cmd(["git", "branch"])
+        git_branch = branch.strip().decode('ascii').replace('* ', '')
+    except OSError:
+        git_revision = "Unknown"
+        git_branch = "Unknown"
+
+    generator.context['CURRENT_VERSION'] = git_revision
+    generator.context['CURRENT_BRANCH'] = git_branch
+
+
+def register():
+    signals.generator_init.connect(app_version)