From 40a0cf806d1c323d7241278ae9f4c74ffae77114 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Sun, 17 Feb 2019 14:49:45 +0800
Subject: [PATCH] support overriding versioneer

---
 artiq/_version.py |  6 ++++++
 versioneer.py     | 12 ++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/artiq/_version.py b/artiq/_version.py
index 0452994dd..8f9af10f8 100644
--- a/artiq/_version.py
+++ b/artiq/_version.py
@@ -481,6 +481,12 @@ def get_versions():
     # py2exe/bbfreeze/non-CPython implementations don't do __file__, in which
     # case we can only use expanded keywords.
 
+    override = os.getenv("VERSIONEER_OVERRIDE")
+    if override:
+        return {"version": override, "full-revisionid": None,
+                "dirty": None,
+                "error": None, "date": None}
+
     cfg = get_config()
     verbose = cfg.verbose
 
diff --git a/versioneer.py b/versioneer.py
index f115f7998..0539490d3 100644
--- a/versioneer.py
+++ b/versioneer.py
@@ -901,6 +901,12 @@ def get_versions():
     # py2exe/bbfreeze/non-CPython implementations don't do __file__, in which
     # case we can only use expanded keywords.
 
+    override = os.getenv("VERSIONEER_OVERRIDE")
+    if override:
+        return {"version": override, "full-revisionid": None,
+                "dirty": None,
+                "error": None, "date": None}
+
     cfg = get_config()
     verbose = cfg.verbose
 
@@ -1404,6 +1410,12 @@ def get_versions(verbose=False):
 
     Returns dict with two keys: 'version' and 'full'.
     """
+    override = os.getenv("VERSIONEER_OVERRIDE")
+    if override:
+        return {"version": override, "full-revisionid": None,
+                "dirty": None,
+                "error": None, "date": None}
+
     if "versioneer" in sys.modules:
         # see the discussion in cmdclass.py:get_cmdclass()
         del sys.modules["versioneer"]