meta: add build system

tools/build-id.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+# vim: ft=python
+# -*- mode: python -*-
+
+import subprocess
+import sys
+import os
+
+def is_arg_set(name):
+    for arg in sys.argv:
+        if arg == '--{}'.format(name):
+            return True
+
+    return False
+
+
+def get_arg(name):
+    ret_next = False
+    for arg in sys.argv:
+        if ret_next:
+            return arg
+
+        if arg == '--{}'.format(name):
+            ret_next = True
+
+    return ''
+
+
+current_tag = subprocess.check_output(['git', 'describe', '--tags', '--abbrev=0']).decode('utf-8').strip()
+
+build_id = '{}'.format(current_tag)
+
+if sys.stdout.isatty():
+    print('{}'.format(build_id))
+else:
+    print('{}'.format(build_id), end='')