fix build

Author: pr3y

.github/workflows/android.yml

@@ -36,6 +36,23 @@ jobs:
       run: |
         yes | sdkmanager --licenses
 
+    # Chaquopy targets Python 3.8, and only emits .pyc when the build interpreter
+    # matches. Without this the APK ships .py and the phone compiles esptool on the
+    # first flash. Runner images no longer carry 3.8, so install it and make it python3.
+    - name: Set up Python 3.8 for Chaquopy
+      run: |
+        curl -LsSf https://astral.sh/uv/install.sh | sh
+        "$HOME/.local/bin/uv" python install --default 3.8.18
+        echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+    - name: Verify python3 is 3.8
+      run: |
+        python3 -V
+        python3 -V | grep -q '^Python 3\.8\.' || {
+          echo "::error::python3 is not 3.8 — Chaquopy would ship .py instead of .pyc"
+          exit 1
+        }
+
     - name: Build with Gradle
       run: ./gradlew clean assembleRelease
 

.github/workflows/fdroid.yml

@@ -30,6 +30,22 @@ jobs:
       run: |
         yes | sdkmanager --licenses || true
 
+    # Chaquopy targets Python 3.8 and only emits .pyc when the build interpreter
+    # matches; otherwise the released APK ships .py and the first flash is very slow.
+    - name: Set up Python 3.8 for Chaquopy
+      run: |
+        curl -LsSf https://astral.sh/uv/install.sh | sh
+        "$HOME/.local/bin/uv" python install --default 3.8.18
+        echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+    - name: Verify python3 is 3.8
+      run: |
+        python3 -V
+        python3 -V | grep -q '^Python 3\.8\.' || {
+          echo "::error::python3 is not 3.8 — Chaquopy would ship .py instead of .pyc"
+          exit 1
+        }
+
     - name: Build release APK
       run: |
         ./gradlew clean assembleRelease

bruce_app_config_mainmenu.png

@@ -27,7 +27,15 @@ compose.desktop {
         mainClass = "bruce.app.MainKt"
 
         nativeDistributions {
-            targetFormats(TargetFormat.Dmg, TargetFormat.Exe, TargetFormat.AppImage)
+            // Only the host's own format: Compose rejects Dmg on Linux, AppImage on macOS, etc.
+            val hostOs = System.getProperty("os.name").lowercase()
+            targetFormats(
+                when {
+                    hostOs.startsWith("mac") -> TargetFormat.Dmg
+                    hostOs.startsWith("win") -> TargetFormat.Exe
+                    else -> TargetFormat.AppImage
+                }
+            )
             packageName = "BruceApp"
             packageVersion = "1.2.0"
             description = "Bruce Firmware Flasher"

desktop/build.gradle.kts

@@ -42,11 +42,16 @@ chaquopy {
     version = "3.8"
 
     defaultConfig {
-        // Must match `version` above (3.8), or Chaquopy ships .py instead of .pyc
-        // and the device compiles esptool on first import (very slow first flash).
-        // Also: the system python3 (3.14) can't run Chaquopy 15's pip — it imports
-        // `cgi`, removed in 3.13.
-        buildPython("/home/user/.pyenv/versions/3.8.18/bin/python")
+        // buildPython must match `version` above (3.8), or Chaquopy ships .py instead
+        // of .pyc and the device compiles esptool on first import (very slow first
+        // flash). Chaquopy 15's pip also can't run on Python 3.13+ (it imports `cgi`).
+        // CI runners' default python3 is fine, so only override when a local pyenv 3.8
+        // exists. If your system python3 is 3.13+, `pyenv install 3.8.18`.
+        // Must be 3.8 to match `version` above, or Chaquopy ships .py instead of .pyc
+        // and the phone compiles esptool on the first flash. On CI the workflow makes
+        // python3 itself 3.8, which Chaquopy finds on its own — this is just for here.
+        val localPy = "/home/user/.pyenv/versions/3.8.18/bin/python"
+        if (File(localPy).canExecute()) buildPython(localPy)
 
         pip {
             install("git+https://github.com/xCarlost/pyserial.git@b6adda109d814499a65c671ff60a888d479f3a3d")