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Commit 527bd084 authored by Felipe Leme's avatar Felipe Leme
Browse files

Added a dumpstate readme for development.

Test: verified a formatted .md
Change-Id: If34b75c74d23bbe2afb025a59cb75f09f1d147d7
parent e0ea99cc
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# `dumpstate` development tips

## To build `dumpstate`

Do a full build first:

```
m -j dumpstate
```

Then incremental ones:

```
mmm -j frameworks/native/cmds/dumpstate
```

If you're working on device-specific code, you might need to build them as well. Example:

```
mmm -j frameworks/native/cmds/dumpstate device/acme/secret_device/dumpstate/ hardware/interfaces/dumpstate
```

## To build, deploy, and take a bugreport

```
mmm -j frameworks/native/cmds/dumpstate && adb push ${OUT}/system/bin/dumpstate system/bin && adb shell am bug-report
```

## To build, deploy, and run unit tests

First create `/data/nativetest`:

```
adb shell mkdir /data/nativetest
```

Then run:

```
mmm -j frameworks/native/cmds/dumpstate/ && adb push ${OUT}/data/nativetest/dumpstate_test* /data/nativetest && adb shell /data/nativetest/dumpstate_test/dumpstate_test
```

And to run just one test (for example, `DumpstateTest.RunCommandNoArgs`):

```
mmm -j frameworks/native/cmds/dumpstate/ && adb push ${OUT}/data/nativetest/dumpstate_test* /data/nativetest && adb shell /data/nativetest/dumpstate_test/dumpstate_test --gtest_filter=DumpstateTest.RunCommandNoArgs
```

## To take quick bugreports

```
adb shell setprop dumpstate.dry_run true
```

## To change the `dumpstate` version

```
adb shell setprop dumpstate.version VERSION_NAME
```

Example:

```
adb shell setprop dumpstate.version split-dumpsys && adb shell dumpstate -v
```


Then to restore the default version:

```
adb shell setprop dumpstate.version default
```

## Code style and formatting

Use the style defined at the [Google C++ Style Guide](https://google.github.io/styleguide/cppguide.html)
and make sure to run the following command prior to `repo upload`:

```
git clang-format --style=file HEAD~
```

## Useful Bash tricks

```
export BR_DIR=/bugreports

alias br='adb shell cmd activity bug-report'
alias ls_bugs='adb shell ls -l ${BR_DIR}/'

unzip_bug() {
  adb pull ${BR_DIR}/$1 && emacs $1 && mv $1 /tmp
}

less_bug() {
  adb pull ${BR_DIR}/$1 && less $1 && mv $1 /tmp
}

rm_bugs() {
 if [ -z "${BR_DIR}" ] ; then echo "Variable BR_DIR not set"; else adb shell rm -rf ${BR_DIR}/*; fi
}

```