+versionfile = os.path.join(SETUP_DIR, "arvados_cwl/_version.py")
+try:
+ gitinfo = subprocess.check_output(
+ ['git', 'log', '--first-parent', '--max-count=1',
+ '--format=format:%H', gittaggers.choose_version_from()]).strip()
+ with open(versionfile, "w") as f:
+ f.write("__version__ = '%s'\n" % gitinfo)
+except Exception as e:
+ # When installing from package, it won't be part of a git repository, and
+ # check_output() will raise an exception. But the package should include the
+ # version file, so we can proceed.
+ if not os.path.exists(versionfile):
+ raise
+