Refactor toolchain URL to use TOOLCHAIN_OS variable

Author: G36maid

.ci/setup-toolchain.sh

@@ -6,11 +6,12 @@ TOOLCHAIN_TYPE=${1:-gnu}
 
 TOOLCHAIN_REPO=https://github.com/riscv-collab/riscv-gnu-toolchain
 TOOLCHAIN_VERSION=2025.07.03
+TOOLCHAIN_OS=ubuntu-24.04
 
 setup_gnu_toolchain() {
     echo "[+] Setting up GNU RISC-V toolchain..."
 
-    local URL="${TOOLCHAIN_REPO}/releases/download/${TOOLCHAIN_VERSION}/riscv32-elf-ubuntu-24.04-gcc-nightly-${TOOLCHAIN_VERSION}-nightly.tar.xz"
+    local URL="${TOOLCHAIN_REPO}/releases/download/${TOOLCHAIN_VERSION}/riscv32-elf-${TOOLCHAIN_OS}-gcc-nightly-${TOOLCHAIN_VERSION}-nightly.tar.xz"
 
     echo "[+] Downloading RISC-V GNU toolchain..."
     wget -q "$URL"
@@ -28,7 +29,7 @@ setup_llvm_toolchain() {
     echo "[+] Setting up LLVM RISC-V toolchain..."
 
     # upstream URL for LLVM toolchain
-    local URL="${TOOLCHAIN_REPO}/releases/download/${TOOLCHAIN_VERSION}/riscv32-elf-ubuntu-24.04-llvm-nightly-${TOOLCHAIN_VERSION}-nightly.tar.xz"
+    local URL="${TOOLCHAIN_REPO}/releases/download/${TOOLCHAIN_VERSION}/riscv32-elf-${TOOLCHAIN_OS}-llvm-nightly-${TOOLCHAIN_VERSION}-nightly.tar.xz"
 
     echo "[+] Downloading RISC-V LLVM toolchain..."
     wget -q "$URL"