[U-Boot] [PATCH 04/30] patman: Adjust command.Output() to raise an error by default

[Simon Glass]

It is more useful to have this method raise an error when something goes
wrong. Make this the default and adjust the few callers that don't want to
use it this way.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 tools/buildman/control.py  | 2 +-
 tools/patman/checkpatch.py | 3 ++-
 tools/patman/command.py    | 5 +++--
 tools/patman/gitutil.py    | 3 ++-
 4 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/tools/buildman/control.py b/tools/buildman/control.py
index aeb128a..51262fe 100644
--- a/tools/buildman/control.py
+++ b/tools/buildman/control.py
@@ -231,7 +231,7 @@ def DoBuildman(options, args, toolchains=None, make_func=None, boards=None,
         options.step = len(series.commits) - 1
 
     gnu_make = command.Output(os.path.join(options.git,
-                                           'scripts/show-gnu-make')).rstrip()
+            'scripts/show-gnu-make'), raise_on_error=False).rstrip()
     if not gnu_make:
         sys.exit('GNU Make not found')
 
diff --git a/tools/patman/checkpatch.py b/tools/patman/checkpatch.py
index 34a3bd2..3eef6de 100644
--- a/tools/patman/checkpatch.py
+++ b/tools/patman/checkpatch.py
@@ -63,7 +63,8 @@ def CheckPatch(fname, verbose=False):
     result.problems = []
     chk = FindCheckPatch()
     item = {}
-    result.stdout = command.Output(chk, '--no-tree', fname)
+    result.stdout = command.Output(chk, '--no-tree', fname,
+                                   raise_on_error=False)
     #pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE)
     #stdout, stderr = pipe.communicate()
 
diff --git a/tools/patman/command.py b/tools/patman/command.py
index d586f11..d1f0ca5 100644
--- a/tools/patman/command.py
+++ b/tools/patman/command.py
@@ -104,8 +104,9 @@ def RunPipe(pipe_list, infile=None, outfile=None,
         raise Exception("Error running '%s'" % user_pipestr)
     return result
 
-def Output(*cmd):
-    return RunPipe([cmd], capture=True, raise_on_error=False).stdout
+def Output(*cmd, **kwargs):
+    raise_on_error = kwargs.get('raise_on_error', True)
+    return RunPipe([cmd], capture=True, raise_on_error=raise_on_error).stdout
 
 def OutputOneLine(*cmd, **kwargs):
     raise_on_error = kwargs.pop('raise_on_error', True)
diff --git a/tools/patman/gitutil.py b/tools/patman/gitutil.py
index e088bae..bb7c9e0 100644
--- a/tools/patman/gitutil.py
+++ b/tools/patman/gitutil.py
@@ -391,7 +391,8 @@ def EmailPatches(series, cover_fname, args, dry_run, raise_on_error, cc_fname,
     """
     to = BuildEmailList(series.get('to'), '--to', alias, raise_on_error)
     if not to:
-        git_config_to = command.Output('git', 'config', 'sendemail.to')
+        git_config_to = command.Output('git', 'config', 'sendemail.to',
+                                       raise_on_error=False)
         if not git_config_to:
             print ("No recipient.\n"
                    "Please add something like this to a commit\n"
-- 
2.8.0.rc3.226.g39d4020