Auto-commit after successful build: improve build setup

Changed files:\nCreateUploadKey.sh
app/build.gradle.kts

CreateUploadKey.sh

@@ -0,0 +1,99 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+KEYSTORE_PROPERTIES="$SCRIPT_DIR/keystore.properties"
+
+log() {
+  printf '\n[%s] %s\n' "create-upload-key" "$1"
+}
+
+fail() {
+  echo "$1" >&2
+  exit 1
+}
+
+require_tool() {
+  if ! command -v "$1" >/dev/null 2>&1; then
+    fail "Missing required tool: $1"
+  fi
+}
+
+get_property() {
+  local key="$1"
+  python - "$KEYSTORE_PROPERTIES" "$key" <<'PY'
+from pathlib import Path
+import sys
+
+path = Path(sys.argv[1])
+target_key = sys.argv[2]
+
+for raw_line in path.read_text().splitlines():
+    line = raw_line.strip()
+    if not line or line.startswith('#'):
+        continue
+    if '=' not in line:
+        continue
+    key, value = line.split('=', 1)
+    if key.strip() == target_key:
+        print(value.strip())
+        break
+PY
+}
+
+ensure_required_property() {
+  local key="$1"
+  local value="$2"
+
+  if [ -z "$value" ]; then
+    fail "Missing required property '$key' in $KEYSTORE_PROPERTIES"
+  fi
+}
+
+main() {
+  require_tool keytool
+  require_tool python
+
+  if [ ! -f "$KEYSTORE_PROPERTIES" ]; then
+    fail "Missing $KEYSTORE_PROPERTIES. Create it from keystore.properties.example first."
+  fi
+
+  local store_file
+  local store_password
+  local key_alias
+  local key_password
+
+  store_file="$(get_property storeFile)"
+  store_password="$(get_property storePassword)"
+  key_alias="$(get_property keyAlias)"
+  key_password="$(get_property keyPassword)"
+
+  ensure_required_property storeFile "$store_file"
+  ensure_required_property storePassword "$store_password"
+  ensure_required_property keyAlias "$key_alias"
+  ensure_required_property keyPassword "$key_password"
+
+  if [ -f "$store_file" ]; then
+    fail "Keystore already exists at $store_file. Delete or move it first if you want to regenerate it."
+  fi
+
+  mkdir -p "$(dirname "$store_file")"
+
+  log "Creating upload keystore at $store_file"
+  keytool -genkeypair \
+    -v \
+    -keystore "$store_file" \
+    -storepass "$store_password" \
+    -alias "$key_alias" \
+    -keypass "$key_password" \
+    -keyalg RSA \
+    -keysize 2048 \
+    -validity 10000 \
+    -dname "CN=Unknown, OU=Unknown, O=Unknown, L=Unknown, S=Unknown, C=US"
+
+  log "Upload keystore created successfully"
+  log "Back up both the keystore file and the matching keystore.properties secrets"
+}
+
+main "$@"