# openpilot releases
## terms
- `channel` - a named version of openpilot (git branch, casync caidx) which receives updates
- `prebuilt` - a release which is already built for the comma 3/3x and contains only required files for running openpilot and identifying the release
- `release` - a `prebuilt` release with `ALLOW_DEBUG=false` (`RELEASE=1` when building panda, ex: `nightly` , `release3` )
## openpilot channels
| channel | type | description |
| ----------- | ----------- | ---------- |
| release3 | `release` | channel for end users |
| staging | `release` | staging channel for release3 |
| nightly | `release` | generated nightly from last commit passing CI tests |
| master | `prebuilt` | current master commit with experimental features enabled |
| git branches | `git` | installed manually, experimental features enabled, build required |
## creating casync build
`create_casync_prebuilt.sh` - creates a `prebuilt` casync openpilot build, ready to upload to `openpilot-releases`
```bash
# run on a tici, within the directory you want to create the build from.
# creates a prebuilt version of openpilot into BUILD_DIR and outputs the caidx
# and other casync files into CASYNC_DIR for uploading to openpilot-releases.
BUILD_DIR=/data/openpilot_build \
CASYNC_DIR=/data/casync \
OPENPILOT_CHANNEL=nightly \
release/create_casync_prebuilt.sh
```
`upload_casync_release.sh` - helper for uploading a casync release to `openpilot-releases`
## release builds
to create a release build, set `RELEASE=1` environment variable when running the build script
