Files
LibreMail/app/proguard-rules.pro
T
JMR-devandClaude Opus 4.8 23afe78fe0 Enable R8 for release builds
- Turn on minification for the release build and sign it with the debug key so it is
  installable for testing (a public release would use a dedicated keystore).
- proguard-rules.pro keeps the reflection-heavy mail/auth stack: Jakarta/Angus Mail
  (IMAP/SMTP providers resolved via reflection + service files) and AppAuth.
- Verified on the Android 17 emulator: the release APK builds with R8, installs, and
  syncs mail over IMAP — confirming Angus Mail's provider resolution survives shrinking.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-27 17:06:50 -05:00

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Prolog

# SPDX-License-Identifier: GPL-3.0-or-later
# R8/ProGuard keep rules for LibreMail's release build.
# --- Jakarta / Angus Mail (IMAP/SMTP) ---
# Protocol providers (IMAP/SMTP stores and transports) are discovered via reflection and
# META-INF service files, so keep the mail and activation classes and their members intact.
-keep class jakarta.mail.** { *; }
-keep class jakarta.activation.** { *; }
-keep class org.eclipse.angus.mail.** { *; }
-keep class org.eclipse.angus.activation.** { *; }
-dontwarn jakarta.mail.**
-dontwarn jakarta.activation.**
-dontwarn org.eclipse.angus.**
-dontwarn com.sun.activation.**
# --- AppAuth ---
# AppAuth (de)serializes its models (AuthState, token responses) reflectively.
-keep class net.openid.appauth.** { *; }
-dontwarn net.openid.appauth.**