launcher: change RunResult to subprocess.CompletedProcess

Since we require Python 3.6 now in the launcher, swap out our custom
RunResult class for the standard subprocess one.

Change-Id: Idd8598df37c0a952d3ef828df6e250cab03c6589
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/462341
Reviewed-by: Gavin Mak <gavinmak@google.com>
Tested-by: Mike Frysinger <vapier@google.com>
Commit-Queue: Mike Frysinger <vapier@google.com>

2 files changed, 10 insertions, 13 deletions

diff --git a/repo b/repo
index 85825e80..d9e28ab0 100755
--- a/repo
+++ b/repo
@@ -124,7 +124,7 @@ if not REPO_REV:
 BUG_URL = "https://issues.gerritcodereview.com/issues/new?component=1370071"
 
 # increment this whenever we make important changes to this script
-VERSION = (2, 50)
+VERSION = (2, 54)
 
 # increment this if the MAINTAINER_KEYS block is modified
 KEYRING_VERSION = (2, 3)
@@ -483,11 +483,6 @@ def InitParser(parser):
 
 
 # This is a poor replacement for subprocess.run until we require Python 3.6+.
-RunResult = collections.namedtuple(
-    "RunResult", ("returncode", "stdout", "stderr")
-)
-
-
 class RunError(Exception):
     """Error when running a command failed."""
 
@@ -526,7 +521,9 @@ def run_command(cmd, **kwargs):
     elif stderr == subprocess.STDOUT:
         dbg += " 2>&1"
     trace.print(dbg)
-    ret = RunResult(proc.returncode, decode(stdout), decode(stderr))
+    ret = subprocess.CompletedProcess(
+        cmd, proc.returncode, decode(stdout), decode(stderr)
+    )
 
     # If things failed, print useful debugging output.
     if check and ret.returncode:
@@ -553,7 +550,6 @@ def run_command(cmd, **kwargs):
 
 
 class CloneFailure(Exception):
-
     """Indicate the remote clone of repo itself failed."""
 
 
diff --git a/tests/test_wrapper.py b/tests/test_wrapper.py
index 8bebdf80..8bb5eb28 100644
--- a/tests/test_wrapper.py
+++ b/tests/test_wrapper.py
@@ -17,6 +17,7 @@
 import io
 import os
 import re
+import subprocess
 import sys
 import tempfile
 import unittest
@@ -358,8 +359,8 @@ class VerifyRev(RepoWrapperTestCase):
 
     def test_verify_passes(self):
         """Check when we have a valid signed tag."""
-        desc_result = self.wrapper.RunResult(0, "v1.0\n", "")
-        gpg_result = self.wrapper.RunResult(0, "", "")
+        desc_result = subprocess.CompletedProcess([], 0, "v1.0\n", "")
+        gpg_result = subprocess.CompletedProcess([], 0, "", "")
         with mock.patch.object(
             self.wrapper, "run_git", side_effect=(desc_result, gpg_result)
         ):
@@ -370,8 +371,8 @@ class VerifyRev(RepoWrapperTestCase):
 
     def test_unsigned_commit(self):
         """Check we fall back to signed tag when we have an unsigned commit."""
-        desc_result = self.wrapper.RunResult(0, "v1.0-10-g1234\n", "")
-        gpg_result = self.wrapper.RunResult(0, "", "")
+        desc_result = subprocess.CompletedProcess([], 0, "v1.0-10-g1234\n", "")
+        gpg_result = subprocess.CompletedProcess([], 0, "", "")
         with mock.patch.object(
             self.wrapper, "run_git", side_effect=(desc_result, gpg_result)
         ):
@@ -382,7 +383,7 @@ class VerifyRev(RepoWrapperTestCase):
 
     def test_verify_fails(self):
         """Check we fall back to signed tag when we have an unsigned commit."""
-        desc_result = self.wrapper.RunResult(0, "v1.0-10-g1234\n", "")
+        desc_result = subprocess.CompletedProcess([], 0, "v1.0-10-g1234\n", "")
         gpg_result = Exception
         with mock.patch.object(
             self.wrapper, "run_git", side_effect=(desc_result, gpg_result)