From 6ffbc8aa51108afc6240399fb78905b4a1fc2fcc Mon Sep 17 00:00:00 2001
From: Javier Gonzalez <javierggt@yahoo.com>
Date: Tue, 17 Dec 2019 12:57:36 -0500
Subject: [PATCH 1/3] Added changes to use setuptools_scm

---
 Ska/quatutil/quatutil.py | 4 ++++
 setup.py                 | 5 ++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/Ska/quatutil/quatutil.py b/Ska/quatutil/quatutil.py
index b3bac62..1c59e7f 100644
--- a/Ska/quatutil/quatutil.py
+++ b/Ska/quatutil/quatutil.py
@@ -3,6 +3,10 @@
 from numpy import sin, cos, tan, arctan2, radians, degrees, sqrt
 from Quaternion import Quat
 
+import ska_helpers
+
+__version__ = ska_helpers.get_version('Ska.quatutil')
+
 
 def radec2eci(ra, dec):
     """
diff --git a/setup.py b/setup.py
index a67507f..6f02f54 100755
--- a/setup.py
+++ b/setup.py
@@ -1,8 +1,6 @@
 # Licensed under a 3-clause BSD style license - see LICENSE.rst
 from setuptools import setup
 
-from Ska.quatutil import __version__
-
 try:
     from testr.setup_helper import cmdclass
 except ImportError:
@@ -13,7 +11,8 @@
       description='ACA quaternion utilities',
       author_email='taldcroft@cfa.harvard.edu',
       url='http://cxc.harvard.edu/mta/ASPECT/tool_doc/pydocs/Ska.quatutil.html',
-      version=__version__,
+      use_scm_version=True,
+      setup_requires=['setuptools_scm', 'setuptools_scm_git_archive'],
       zip_safe=False,
       packages=['Ska', 'Ska.quatutil', 'Ska.quatutil.tests'],
       tests_require=['pytest'],

From 4b754a2d2dca37e9a9680b277f085b1a225a5789 Mon Sep 17 00:00:00 2001
From: Javier Gonzalez <javierggt@yahoo.com>
Date: Fri, 20 Dec 2019 11:42:17 -0500
Subject: [PATCH 2/3] added files for scm git archive

---
 .git_archival.txt | 1 +
 .gitattributes    | 1 +
 2 files changed, 2 insertions(+)
 create mode 100644 .git_archival.txt
 create mode 100644 .gitattributes

diff --git a/.git_archival.txt b/.git_archival.txt
new file mode 100644
index 0000000..95cb3ee
--- /dev/null
+++ b/.git_archival.txt
@@ -0,0 +1 @@
+ref-names: $Format:%D$
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..00a7b00
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+.git_archival.txt  export-subst

From 1c0b868216c98d707402c7ae43a495774585c0db Mon Sep 17 00:00:00 2001
From: Javier Gonzalez <javierggt@yahoo.com>
Date: Thu, 9 Jan 2020 15:16:30 -0500
Subject: [PATCH 3/3] Use __package__ also in cases where module is not defined
 in __init__.py

---
 Ska/quatutil/quatutil.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Ska/quatutil/quatutil.py b/Ska/quatutil/quatutil.py
index 1c59e7f..cb41682 100644
--- a/Ska/quatutil/quatutil.py
+++ b/Ska/quatutil/quatutil.py
@@ -5,7 +5,7 @@
 
 import ska_helpers
 
-__version__ = ska_helpers.get_version('Ska.quatutil')
+__version__ = ska_helpers.get_version(__package__)
 
 
 def radec2eci(ra, dec):