ci: Capture logging for Popen() execute statements.

+ Collect all known commands

Author: ankostis

.appveyor.yml

@@ -77,7 +77,7 @@ install:
 build: false
 
 test_script:
-    - nosetests
+    - nosetests -vvvs --logging-level=DEBUG
 
 #on_success:
 #    - IF "%PYTHON_VERSION%"=="3.4" (coveralls)

.travis.yml

@@ -31,7 +31,7 @@ script:
   # Make sure we limit open handles to see if we are leaking them
   - ulimit -n 96
   - ulimit -n
-  - nosetests -v --with-coverage
+  - nosetests -vvvs --with-coverage --logging-level=DEBUG
   - if [ "$TRAVIS_PYTHON_VERSION" == '3.4' ]; then flake8; fi
   - if [ "$TRAVIS_PYTHON_VERSION" == '3.5' ]; then cd doc && make html; fi
   -

git/cmd.py

@@ -535,6 +535,7 @@ def execute(self, command,
                 cmd_not_found_exception = OSError
         # end handle
 
+        log.debug("Popen(%s, cwd=%s, universal_newlines=%s", command, cwd, universal_newlines)
         try:
             proc = Popen(command,
                          env=env,