Don't recalculate timeHEADmaster

Only ever get the time once. Otherwise, we could imagine an unlikely
situation where the new file would get created at 59 seconds and the
family name would be updated at 00 seconds, causing the two timestamps
to differ by a minute.

Now the two timestamps will always be the same.

1 files changed, 7 insertions, 5 deletions

diff --git a/typarichive.py b/typarichive.py
index 7a48701..80d5cbf 100644
--- a/typarichive.py
+++ b/typarichive.py
@@ -26,21 +26,21 @@ import re
 import shutil
 
 
-def new_font_name(filename):
-    time_string = datetime.now().strftime('%Y%m%d%H%M')
-
+def new_font_name(filename, time_string):
     return re.sub(r'\d{12}', time_string, filename)
 
 
 font = Glyphs.font
 filepath = font.filepath
+time_string = datetime.now().strftime('%Y%m%d%H%M')
 
 font_directory = path.dirname(filepath)
 archive_directory = path.join(font_directory, '_archive')
 new_font_path = path.join(
     font_directory,
     new_font_name(
-        path.basename(filepath)))
+        path.basename(filepath),
+        time_string))
 
 shutil.copy2(filepath, new_font_path)
 
@@ -49,4 +49,6 @@ shutil.move(filepath, archive_directory)
 font.close()
 Glyphs.open(new_font_path)
 
-Glyphs.font.familyName = new_font_name(Glyphs.font.familyName)
+Glyphs.font.familyName = new_font_name(
+    Glyphs.font.familyName,
+    time_string)