btashton commented on pull request #1157:
URL: https://github.com/apache/incubator-nuttx/pull/1157#issuecomment-636524990
@patacongo I believe it is triggered by this in `testbuild.sh`
```
# Ensure nuttx and apps directory in clean state
if [ -d $nuttx/.git ] || [ -d $APPSDIR/.git ]; then
if [[ -n $(git -C $nuttx status -s) ]]; then
git -C $nuttx status
fail=1
fi
```
If normalize changes a defconfig file all the remaining tests will fail. We
see this here
```
2020-05-31T19:11:30.8945191Z
====================================================================================
2020-05-31T19:11:30.8968015Z Configuration/Tool:
stm32f4discovery/module,CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIL
2020-05-31T19:11:30.9059881Z
------------------------------------------------------------------------------------
2020-05-31T19:11:30.9060022Z Cleaning...
2020-05-31T19:11:36.8669871Z Configuring...
2020-05-31T19:11:36.8817755Z Copy files
2020-05-31T19:11:36.8971116Z Select CONFIG_HOST_LINUX=y
2020-05-31T19:11:36.9096081Z Refreshing...
2020-05-31T19:11:39.7550237Z Disabling CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIL
2020-05-31T19:11:39.7573155Z Enabling CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIL
2020-05-31T19:11:40.0977181Z Building NuttX...
2020-05-31T19:12:04.9881712Z Normalize stm32f4discovery/module
2020-05-31T19:12:05.5552111Z 51d50
2020-05-31T19:12:05.5552403Z < CONFIG_STM32_CCMEXCLUDE=y
2020-05-31T19:12:05.5555891Z Saving the new configuration file
2020-05-31T19:12:06.0344867Z HEAD detached at pull/1157/merge
2020-05-31T19:12:06.0345077Z Changes not staged for commit:
2020-05-31T19:12:06.0345223Z (use "git add <file>..." to update what will
be committed)
2020-05-31T19:12:06.0346145Z (use "git checkout -- <file>..." to discard
changes in working directory)
2020-05-31T19:12:06.0346233Z
2020-05-31T19:12:06.0346373Z modified:
boards/arm/stm32/stm32f4discovery/configs/module/defconfig
2020-05-31T19:12:06.0346469Z
2020-05-31T19:12:06.0346845Z no changes added to commit (use "git add"
and/or "git commit -a")
2020-05-31T19:12:06.0506069Z
====================================================================================
```
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