Distribute v2 demo app builds to Firebase App Distribution - #1813
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andremion merged 6 commits intoSep 8, 2026
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Nothing was distributed from develop-v2, so the team had no way to test v2 work. Add a workflow that builds the demo app on every push to develop-v2 and uploads it to the stream-testers group in the shared stream-android-32afb Firebase project. The demo app google-services.json is left alone. It stays on stream-video-9b586 so push and Crashlytics keep working. App Distribution only needs the APK package name to match the registered app.
The Upload APK step pointed at build/outputs/apk/demo-app/release, but AGP writes to build/outputs/apk/<flavor>/<buildType>, so the directory never existed. upload-artifact only warns when it finds no files, so the step passed and every run uploaded an empty artifact.
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WalkthroughAdds a v2 GitHub Actions workflow for building and distributing the development APK through Firebase App Distribution. Updates the existing workflow to use the development release APK output path. ChangesApp distribution
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🟡 Moderate · up to The workflow enables v2 demo distribution and fixes the existing APK path, but its handling of signing credentials and workflow permissions introduces material security exposure. Harden the workflow before enabling automated distribution. Poem
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✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
🧪 Generate unit tests (beta)
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In @.github/workflows/app-distribute-v2.yml:
- Line 38: Update the actions/upload-artifact action reference from the movable
v7 tag to a full 40-character commit SHA, preserving the existing workflow
behavior and adding the tag as an inline version comment if desired for
maintainability.
- Around line 30-34: After the Assemble step, add a cleanup step guarded by if:
always() that securely removes .sign/release.keystore,
.sign/keystore.properties, and .env.properties before subsequent actions
execute.
- Around line 30-34: Update the workflow commands around RELEASE_KEYSTORE,
RELEASE_KEYSTORE_PROPERTIES, ENV_PROPERTIES, and PASSPHRASE to consume their
values through shell environment-variable references rather than interpolating
GitHub expressions directly into the Bash script. Preserve the existing file
generation and GPG decryption behavior while ensuring all secret-backed values,
including PASSPHRASE, are read from the shell environment.
- Line 16: Remove the unused actions: write permission from the workflow
permissions block, retaining only the permissions required by the checkout,
build, and artifact-upload steps, including contents: read.
- Around line 31-33: Update both GPG decrypt commands in the release-keystore
setup to stop passing PASSPHRASE via the command-line arguments; provide it
through standard input using passphrase-fd with loopback pinentry, while
preserving the existing input files and output redirections.
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Address the security findings from the automated review: - Drop the unused actions: write permission. The job only reads the repo and uploads an artifact. - Read the gpg passphrase from stdin instead of passing it as a command line argument, where it is visible in the process list. - Reference the secrets as shell variables rather than expanding them into the run script, which removes the template injection surface. - Delete the decrypted keystore, keystore properties and env properties right after the build, so they are gone before the third-party Firebase action runs. - Pin actions/upload-artifact to a commit SHA, matching how checkout and the Firebase action are already pinned.
A push trigger reads the workflow file from the branch being pushed, and workflow_dispatch is not available until the file reaches the default branch. Adding this branch to the trigger is the only way to verify the pipeline end to end before it lands on develop-v2. Revert this commit before merging.
The pipeline was verified end to end from this branch in run 34132353521: the keystore decrypted, the development release APK was assembled and signed, the artifact uploaded, and the build was distributed to the stream-testers group in stream-android-32afb. The trigger has served its purpose, so the workflow now runs only on develop-v2.
andremion
marked this pull request as ready for review
September 7, 2026 14:49
gpunto
approved these changes
Sep 7, 2026
assembleRelease built the release variant of all three flavors, but the job only uploads the development APK, so the e2etesting and production builds were discarded. Assemble just the development release instead. The Google Play pipeline is unaffected. internal-app-distribute.yml runs publishBundle, and its playConfigs only registers productionRelease.
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September 8, 2026 07:46
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Sep 8, 2026
* Add a concurrency group to the v2 distribution workflow Without one, two pushes to develop-v2 close together can build in parallel, and the slower older run can finish last. Firebase App Distribution shows testers whatever arrived last, not whatever is newest, so testers could end up on a stale build. Raised in review on #1813 and missed that merge. * Scope the concurrency group to the ref workflow_dispatch can start a run from any branch or tag. With a single group keyed only on the workflow name, a manual run would cancel a live develop-v2 distribution, or the other way round. Pushes to develop-v2 all carry the same ref, so they stay in one group and still serialize, which is the point of the group. * Fix concurrency grouping in the remaining distribution workflows internal-app-distribute.yml shared one group between develop and main. cancel-in-progress is evaluated on the incoming run, where a develop push resolves it to true, so a push to develop could cancel an in-progress main run and interrupt publishBundle mid-upload. The existing guard stops a main run from cancelling others, but nothing stopped others from cancelling a main run. Scoping the group by ref separates the two, and the guard still keeps two main pushes queueing rather than cancelling each other. sdk-size-updates.yml had the same unscoped group. app-distribute.yml had no group at all, so two pushes to main could distribute in parallel and let an older run reach testers last.
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Goal
Closes AND-1497
Nothing was distributed from
develop-v2, so the team had no way to test v2 work.app-distribute.yml(Firebase) triggers onmainonly, andinternal-app-distribute.yml(Google Play) triggers ondevelopandmain. This adds a Firebase App Distribution pipeline fordevelop-v2.Implementation
.github/workflows/app-distribute-v2.yml. It triggers on pushes todevelop-v2, runs:demo-app:assembleDevelopmentRelease, and uploads the APK to thestream-testersgroup in the sharedstream-android-32afbFirebase project, the same project the chat SDK uses.FIREBASE_V2_DEMO_APP_IDandSTREAM_ANDROID_FIREBASE_CREDENTIALS_APP_CONTENT. Both are already set.demo-app/google-services.jsonis not changed. It stays onstream-video-9b586so push and Crashlytics keep working. App Distribution only needs the APK package name to match the app registered in the project.contents: read, reads the gpg passphrase from stdin rather than the command line, references secrets as shell variables instead of expanding them into the run script, deletes the decrypted signing material before the third-party Firebase action runs, and pinsactions/upload-artifactto a commit SHA.Upload APKstep inapp-distribute.yml. It pointed atbuild/outputs/apk/demo-app/release, but AGP writes tobuild/outputs/apk/<flavor>/<buildType>, so that directory never existed.upload-artifactonly warns when it finds no files, so the step passed while uploading nothing.Follow-up for when v2 becomes develop: delete
app-distribute-v2.yml, move the new App ID and credentials intoapp-distribute.yml, and adddevelopto its trigger. The chat SDK skipped this cleanup and still has a deadapp-distribute-v7.ymlpointing at a branch that no longer exists.Testing
The pipeline was run end to end before merging. The branch was temporarily added to the
pushtrigger, the workflow ran, and the temporary trigger was then reverted. This was necessary becauseworkflow_dispatchis not available until the workflow file reaches the default branch, and thepushtrigger is otherwise limited todevelop-v2.Run 34132353521 passed every step:
:demo-app:assembleDevelopmentReleasebuilt and signed the APK.Remove signing materialran before the Firebase step.Upload APKproduced a 72,520,380 byte artifact using onlycontents: read, which also confirms the corrected artifact path. The previous path yielded 0 artifacts on every run.uploaded new release 1.32.0 (1)onio.getstream.video.android.dogfoodinginstream-android-32afb, followed bydistributed to testers/groups successfully.Note that
stream-testersreceived a real build from that verification run, and will receive another when this merges.Also verified locally:
./gradlew spotlessCheckpasses, and both workflow files parse as YAML. CI runsactionlintover them as well.detekt,apiCheck, andtestDebugUnitTestwere not run locally. The diff is two workflow YAML files with no Kotlin or API surface changes, and CI runs them anyway.