Don't build rust non-megazords as release on android unless in CI or requested in local.properties

build.gradle

@@ -160,6 +160,29 @@ if (rootProject.ext.libsGitSha != null) {
     }
 }
 
+Properties localProperties = null;
+if (file('local.properties').canRead()) {
+    localProperties = new Properties();
+    localProperties.load(file('local.properties').newDataInputStream())
+    logger.lifecycle('Local configuration: loaded local.properties')
+}
+
+// For non-megazord builds, don't do a release build unless we explicitly want
+// it (e.g. in CI, or if specified in local.properties). This avoids some cases
+// where two builds of some crates are required when they wouldn't otherwise be,
+// as well as improving build times for local development.
+ext.nonMegazordProfile = "debug"
+
+if (System.getenv("CI")) {
+    ext.nonMegazordProfile = "release"
+} else if (localProperties != null) {
+    String localNonMegazordProfile = localProperties.getProperty(
+        "application-services.nonmegazord-profile");
+    if (localNonMegazordProfile != null) {
+        ext.nonMegazordProfile = localNonMegazordProfile;
+    }
+}
+
 // Configure some environment variables, per toolchain, that will apply during
 // the Cargo build.  We assume that the `libs/` directory has been populated
 // before invoking Gradle (or Cargo).

components/fxa-client/android/build.gradle

@@ -79,9 +79,7 @@ cargo {
         'x86',
     ]
 
-    // Perform release builds (which should have debug info, due to
-    // `debug = true` in Cargo.toml).
-    profile = "release"
+    profile = rootProject.ext.nonMegazordProfile
 
     exec = rootProject.ext.cargoExec
 }

components/logins/android/build.gradle

@@ -72,9 +72,7 @@ cargo {
         'x86',
     ]
 
-    // Perform release builds (which should have debug info, due to
-    // `debug = true` in Cargo.toml).
-    profile = "release"
+    profile = rootProject.ext.nonMegazordProfile
 
     exec = rootProject.ext.cargoExec
 }

components/places/android/build.gradle

@@ -79,9 +79,7 @@ cargo {
         'x86',
     ]
 
-    // Perform release builds (which should have debug info, due to
-    // `debug = true` in Cargo.toml).
-    profile = "release"
+    profile = rootProject.ext.nonMegazordProfile
 
     exec = rootProject.ext.cargoExec
 }

components/push/android/build.gradle

@@ -70,9 +70,7 @@ cargo {
         'linux-x86-64',
     ]
 
-    // Perform release builds (which should have debug info, due to
-    // `debug = true` in Cargo.toml).
-    profile = "release"
+    profile = rootProject.ext.nonMegazordProfile
 
     exec = rootProject.ext.cargoExec
 }

components/rc_log/android/build.gradle

@@ -72,9 +72,7 @@ cargo {
         'x86',
     ]
 
-    // Perform release builds (which should have debug info, due to
-    // `debug = true` in Cargo.toml).
-    profile = "release"
+    profile = rootProject.ext.nonMegazordProfile
 
     exec = rootProject.ext.cargoExec