[PATCH 1/2] fetch2: make fetch failure errors more readable

[Paul Eggleton <paul.eggleton@linux.intel.com>]

Most of the time we don't need to see the fetch command; the fetch log
includes the command as a debug message in any case, so omit it. Also
adjust the way command output is printed (we don't need stderr/stdout
labelled, and print "no output" instead of "output:\nNone" when there is
no output.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
---
 bitbake/lib/bb/fetch2/__init__.py |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/bitbake/lib/bb/fetch2/__init__.py b/bitbake/lib/bb/fetch2/__init__.py
index 37f7d75..1acb0a4 100644
--- a/bitbake/lib/bb/fetch2/__init__.py
+++ b/bitbake/lib/bb/fetch2/__init__.py
@@ -471,7 +471,13 @@ def runfetchcmd(cmd, d, quiet = False, cleanup = []):
     except bb.process.NotFoundError as e:
         error_message = "Fetch command %s" % (e.command)
     except bb.process.ExecutionError as e:
-        error_message = "Fetch command %s failed with exit code %s, output:\nSTDOUT: %s\nSTDERR: %s" % (e.command, e.exitcode, e.stdout, e.stderr)
+        if e.stdout:
+            output = "output:\n%s\n%s" % (e.stdout, e.stderr)
+        elif e.stderr:
+            output = "output:\n%s" % e.stderr
+        else:
+            output = "no output"
+        error_message = "Fetch command failed with exit code %s, %s" % (e.exitcode, output)
     except bb.process.CmdError as e:
         error_message = "Fetch command %s could not be run:\n%s" % (e.command, e.msg)
     if not success:
-- 
1.7.9.5