use open context managers in more places

Use open() as a context manager to simplify the close logic and make
the code easier to read & understand.  This is also more Pythonic.

Change-Id: I579d03cca86f99b2c6c6a1f557f6e5704e2515a7
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/244734
Reviewed-by: David Pursehouse <dpursehouse@collab.net>
Tested-by: Mike Frysinger <vapier@google.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/repo b/repo
index 2f634d9e..90cdb60d 100755
--- a/repo
+++ b/repo
@@ -513,9 +513,8 @@ def SetupGnuPG(quiet):
     sys.exit(1)
   print()
 
-  fd = open(os.path.join(home_dot_repo, 'keyring-version'), 'w')
-  fd.write('.'.join(map(str, KEYRING_VERSION)) + '\n')
-  fd.close()
+  with open(os.path.join(home_dot_repo, 'keyring-version'), 'w') as fd:
+    fd.write('.'.join(map(str, KEYRING_VERSION)) + '\n')
   return True