From d5b4045ea4221aac850fb4d5d25a17e3ed80b814 Mon Sep 17 00:00:00 2001
From: ne0fhyk <fhuyakou@gmail.com>
Date: Mon, 7 Jun 2021 09:19:18 -0700
Subject: [PATCH] Add support for custom debug keystore.

---
 platform/android/export/export.cpp      | 40 +++++++++++++++++--------
 platform/android/java/app/build.gradle  |  9 ++++++
 platform/android/java/app/config.gradle | 29 ++++++++++++++++++
 3 files changed, 66 insertions(+), 12 deletions(-)

diff --git a/platform/android/export/export.cpp b/platform/android/export/export.cpp
index e4b210666f7..70eeeb51bb9 100644
--- a/platform/android/export/export.cpp
+++ b/platform/android/export/export.cpp
@@ -2934,19 +2934,35 @@ public:
 			// Sensitive additions must be done below the logging statement.
 			print_verbose("Build Android project using gradle command: " + String("\n") + build_command + " " + join_list(cmdline, String(" ")));
 
-			if (should_sign && !p_debug) {
-				// Pass the release keystore info as well
-				String release_keystore = p_preset->get("keystore/release");
-				String release_username = p_preset->get("keystore/release_user");
-				String release_password = p_preset->get("keystore/release_password");
-				if (!FileAccess::exists(release_keystore)) {
-					EditorNode::add_io_error("Could not find keystore, unable to export.");
-					return ERR_FILE_CANT_OPEN;
-				}
+			if (should_sign) {
+				if (p_debug) {
+					String debug_keystore = p_preset->get("keystore/debug");
+					String debug_password = p_preset->get("keystore/debug_password");
+					String debug_user = p_preset->get("keystore/debug_user");
 
-				cmdline.push_back("-Prelease_keystore_file=" + release_keystore); // argument to specify the release keystore file.
-				cmdline.push_back("-Prelease_keystore_alias=" + release_username); // argument to specify the release keystore alias.
-				cmdline.push_back("-Prelease_keystore_password=" + release_password); // argument to specity the release keystore password.
+					if (debug_keystore.empty()) {
+						debug_keystore = EditorSettings::get_singleton()->get("export/android/debug_keystore");
+						debug_password = EditorSettings::get_singleton()->get("export/android/debug_keystore_pass");
+						debug_user = EditorSettings::get_singleton()->get("export/android/debug_keystore_user");
+					}
+
+					cmdline.push_back("-Pdebug_keystore_file=" + debug_keystore); // argument to specify the debug keystore file.
+					cmdline.push_back("-Pdebug_keystore_alias=" + debug_user); // argument to specify the debug keystore alias.
+					cmdline.push_back("-Pdebug_keystore_password=" + debug_password); // argument to specify the debug keystore password.
+				} else {
+					// Pass the release keystore info as well
+					String release_keystore = p_preset->get("keystore/release");
+					String release_username = p_preset->get("keystore/release_user");
+					String release_password = p_preset->get("keystore/release_password");
+					if (!FileAccess::exists(release_keystore)) {
+						EditorNode::add_io_error("Could not find keystore, unable to export.");
+						return ERR_FILE_CANT_OPEN;
+					}
+
+					cmdline.push_back("-Prelease_keystore_file=" + release_keystore); // argument to specify the release keystore file.
+					cmdline.push_back("-Prelease_keystore_alias=" + release_username); // argument to specify the release keystore alias.
+					cmdline.push_back("-Prelease_keystore_password=" + release_password); // argument to specify the release keystore password.
+				}
 			}
 
 			int result = EditorNode::get_singleton()->execute_and_show_output(TTR("Building Android Project (gradle)"), build_command, cmdline);
diff --git a/platform/android/java/app/build.gradle b/platform/android/java/app/build.gradle
index 090b9165cc7..ebe568b6ee8 100644
--- a/platform/android/java/app/build.gradle
+++ b/platform/android/java/app/build.gradle
@@ -127,6 +127,15 @@ android {
     }
 
     signingConfigs {
+        debug {
+            if (hasCustomDebugKeystore()) {
+                storeFile new File(getDebugKeystoreFile())
+                storePassword getDebugKeystorePassword()
+                keyAlias getDebugKeyAlias()
+                keyPassword getDebugKeystorePassword()
+            }
+        }
+
         release {
             File keystoreFile = new File(getReleaseKeystoreFile())
             if (keystoreFile.isFile()) {
diff --git a/platform/android/java/app/config.gradle b/platform/android/java/app/config.gradle
index b278d15bdfc..a2c32552d9a 100644
--- a/platform/android/java/app/config.gradle
+++ b/platform/android/java/app/config.gradle
@@ -191,6 +191,35 @@ ext.getGodotPluginsLocalBinaries = { ->
     return binDeps
 }
 
+ext.getDebugKeystoreFile = { ->
+    String keystoreFile = project.hasProperty("debug_keystore_file") ? project.property("debug_keystore_file") : ""
+    if (keystoreFile == null || keystoreFile.isEmpty()) {
+        keystoreFile = "."
+    }
+    return keystoreFile
+}
+
+ext.hasCustomDebugKeystore = { ->
+    File keystoreFile = new File(getDebugKeystoreFile())
+    return keystoreFile.isFile()
+}
+
+ext.getDebugKeystorePassword = { ->
+    String keystorePassword = project.hasProperty("debug_keystore_password") ? project.property("debug_keystore_password") : ""
+    if (keystorePassword == null || keystorePassword.isEmpty()) {
+        keystorePassword = "android"
+    }
+    return keystorePassword
+}
+
+ext.getDebugKeyAlias = { ->
+    String keyAlias = project.hasProperty("debug_keystore_alias") ? project.property("debug_keystore_alias") : ""
+    if (keyAlias == null || keyAlias.isEmpty()) {
+        keyAlias = "androiddebugkey"
+    }
+    return keyAlias
+}
+
 ext.getReleaseKeystoreFile = { ->
     String keystoreFile = project.hasProperty("release_keystore_file") ? project.property("release_keystore_file") : ""
     if (keystoreFile == null || keystoreFile.isEmpty()) {