doctor for smoke test to run only the latest version from checkout

Author: briantoby

GSASII/install/save-versions.py

@@ -30,6 +30,7 @@
                   f' with path {path2repo}')
         sys.exit()
     commit = g2repo.head.commit
+    commitm1 = '?'
     #ctim = commit.committed_datetime.strftime('%d-%b-%Y %H:%M')
     now = dt.datetime.now().replace(
         tzinfo=commit.committed_datetime.tzinfo)
@@ -67,15 +68,18 @@
         fp.write(f'git_prevtags = []\n')
     # get the latest version number
     releases = [i for i in g2repo.tags if '.' in i.name]
-    majors = [i.name.split('.')[0] for i in releases]
-    major = max([int(i) for i in majors if i.isdecimal()])
-    minors = [i.name.split('.')[1] for i in releases if i.name.startswith(f'{major}.')]
-    minor = max([int(i) for i in minors if i.isdecimal()])
-    minis = [i.name.split('.',2)[2] for i in releases if i.name.startswith(f'{major}.{minor}')]
-    # mini can be integer, float or even have letters (5.2.1.1rc1)
-    # for now, ignore anything with letters or decimals
-    mini = max([int(i) for i in minis if i.isdecimal()])
-    versiontag = f'{major}.{minor}.{mini}'
+    if releases:
+        majors = [i.name.split('.')[0] for i in releases]
+        major = max([int(i) for i in majors if i.isdecimal()])
+        minors = [i.name.split('.')[1] for i in releases if i.name.startswith(f'{major}.')]
+        minor = max([int(i) for i in minors if i.isdecimal()])
+        minis = [i.name.split('.',2)[2] for i in releases if i.name.startswith(f'{major}.{minor}')]
+        # mini can be integer, float or even have letters (5.2.1.1rc1)
+        # for now, ignore anything with letters or decimals
+        mini = max([int(i) for i in minis if i.isdecimal()])
+        versiontag = f'{major}.{minor}.{mini}'
+    else:
+        versiontag = '?'
     fp.write(f'git_versiontag = {versiontag!r}\n')
     #
     fp.close()