Add option to install Espressif RISC-V toolchain

Author: jessebraham

action.yaml

@@ -31,6 +31,9 @@ inputs:
   name:
     description: Xtensa Rust toolchain name
     default: esp
+  esp-riscv-gcc:
+    description: Install Espressif RISC-V toolchain built with croostool-ng
+    default: "false"
 
 runs:
   using: composite
@@ -74,7 +77,8 @@ runs:
         [[ "${{ inputs.version }}" != latest ]] && version="--toolchain-version ${{ inputs.version }}" || version=""
         [[ "${{ inputs.extended-llvm }}" = true ]] && extended_llvm="-e" || extended_llvm=""
         [[ "${{ inputs.name }}" != esp ]] && name="--name ${{ inputs.name }}" || name=""
-        "$HOME/.cargo/bin/espup" install -l debug --targets ${{ inputs.buildtargets }} $extended_llvm $version $name
+        [[ "${{ inputs.esp-riscv-gcc }}" = true ]] && esp_riscv_gcc="-r" || esp_riscv_gcc=""
+        "$HOME/.cargo/bin/espup" install -l debug --targets ${{ inputs.buildtargets }} $esp_riscv_gcc $extended_llvm $version $name
         source "$HOME/exports"
         if [[ "${{ inputs.export }}" = true ]]; then
             echo "$PATH" >> "$GITHUB_PATH"
@@ -89,7 +93,8 @@ runs:
         [[ "${{ inputs.version }}" != latest ]] && version="--toolchain-version ${{ inputs.version }}" || version=""
         [[ "${{ inputs.extended-llvm }}" = true ]] && extended_llvm="-e" || extended_llvm=""
         [[ "${{ inputs.name }}" != esp ]] && name="--name ${{ inputs.name }}" || name=""
-        "$HOME/.cargo/bin/espup.exe" install -l debug --targets ${{ inputs.buildtargets }} $extended_llvm $version $name
+        [[ "${{ inputs.esp-riscv-gcc }}" = true ]] && esp_riscv_gcc="-r" || esp_riscv_gcc=""
+        "$HOME/.cargo/bin/espup.exe" install -l debug --targets ${{ inputs.buildtargets }} $esp_riscv_gcc $extended_llvm $version $name
 
     - name: Set default and override
       shell: bash