Adding AIX

Change-Id: Ibf023a1f6b635872c849bda885b47ea1dbf7dda3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2410733
Reviewed-by: Dirk Pranke <dpranke@google.com>
Commit-Queue: Dirk Pranke <dpranke@google.com>

gclient_utils.py

@@ -589,7 +589,7 @@ def CheckCallAndFilter(args, print_stdout=False, filter_fn=None,
     # If our stdout is a terminal, then pass in a psuedo-tty pipe to our
     # subprocess when filtering its output. This makes the subproc believe
     # it was launched from a terminal, which will preserve ANSI color codes.
-    if sys.stdout.isatty() and GetMacWinOrLinux() != 'win':
+    if sys.stdout.isatty() and GetMacWinAixOrLinux() != 'win':
       pipe_reader, pipe_writer = os.openpty()
     else:
       pipe_reader, pipe_writer = os.pipe()
@@ -737,7 +737,7 @@ def FindFileUpwards(filename, path=None):
     path = new_path
 
 
-def GetMacWinOrLinux():
+def GetMacWinAixOrLinux():
   """Returns 'mac', 'win', or 'linux', matching the current platform."""
   if sys.platform.startswith(('cygwin', 'win')):
     return 'win'
@@ -745,6 +745,8 @@ def GetMacWinOrLinux():
     return 'linux'
   elif sys.platform == 'darwin':
     return 'mac'
+  elif sys.platform.startswith('aix'):
+    return 'aix'
   raise Error('Unknown platform: ' + sys.platform)
 
 

metrics.py

@@ -216,7 +216,7 @@ class MetricsCollector(object):
     # Add metrics regarding environment information.
     self.add('timestamp', int(time.time()))
     self.add('python_version', metrics_utils.get_python_version())
-    self.add('host_os', gclient_utils.GetMacWinOrLinux())
+    self.add('host_os', gclient_utils.GetMacWinAixOrLinux())
     self.add('host_arch', detect_host_arch.HostArch())
 
     depot_tools_age = metrics_utils.get_repo_timestamp(DEPOT_TOOLS)

tests/metrics_test.py

@@ -62,8 +62,8 @@ class MetricsCollectorTest(unittest.TestCase):
                TimeMock()).start()
     mock.patch('metrics.metrics_utils.get_python_version',
                lambda: '2.7.13').start()
-    mock.patch('metrics.gclient_utils.GetMacWinOrLinux',
-               lambda: 'linux').start()
+    mock.patch(
+        'metrics.gclient_utils.GetMacWinAixOrLinux', lambda: 'linux').start()
     mock.patch('metrics.detect_host_arch.HostArch',
                lambda: 'x86').start()
     mock.patch('metrics_utils.get_repo_timestamp',