guix: adjust scripts to use SDK_SOURCES env variable properly

Author: UdjinM6

contrib/containers/guix/scripts/guix-start

@@ -11,7 +11,7 @@ fi
 
 if [[ -z "${HOSTS}" || "${HOSTS}" == *"darwin"* ]]; then
     export SDK_PATH="${SDK_PATH:-${WORKSPACE_PATH}/depends/SDKs}"
-    export SDK_SRCS="${SDK_PATH:-${WORKSPACE_PATH}/depends/sdk-sources}"
+    export SDK_SOURCES="${SDK_SOURCES:-${WORKSPACE_PATH}/depends/sdk-sources}"
 
     ./contrib/containers/guix/scripts/setup-sdk
 fi

contrib/containers/guix/scripts/setup-sdk

@@ -9,16 +9,16 @@ set -eo pipefail
 
 SDK_URL="${SDK_URL:-https://bitcoincore.org/depends-sources/sdks}"
 SDK_PATH="${SDK_PATH:-depends/SDKs}"
-SDK_SRCS="${SDK_SOURCES:-depends/sdk-sources}"
+SDK_SOURCES="${SDK_SOURCES:-depends/sdk-sources}"
 XCODE_VERSION="${XCODE_VERSION:-15.0}"
 XCODE_RELEASE="${XCODE_RELEASE:-15A240d}"
 XCODE_ARCHIVE="Xcode-${XCODE_VERSION}-${XCODE_RELEASE}-extracted-SDK-with-libcxx-headers"
-XCODE_AR_PATH="${SDK_SRCS}/${XCODE_ARCHIVE}.tar.gz"
+XCODE_AR_PATH="${SDK_SOURCES}/${XCODE_ARCHIVE}.tar.gz"
 
 if [ ! -d "${SDK_PATH}/${XCODE_ARCHIVE}" ]; then
     if [ ! -f "${XCODE_AR_PATH}" ]; then
         echo "Downloading macOS SDK..."
-        mkdir -p "${SDK_SRCS}"
+        mkdir -p "${SDK_SOURCES}"
         curl --location --fail "${SDK_URL}/${XCODE_ARCHIVE}.tar.gz" -o "${XCODE_AR_PATH}"
     fi
     echo "Extracting macOS SDK..."