ci: ensure shdc version

Author: yuchanns

.github/actions/soluna/action.yml

@@ -42,33 +42,6 @@ runs:
       run: |
         git submodule update --init --recursive
       shell: bash
-    - uses: actions/checkout@v5
-      if: steps.cache.outputs.cache-hit != 'true'
-      with:
-        repository: floooh/sokol-tools-bin
-        ref: "a06f19929ff8f9824ec6dd87c21329b1f205809e"
-        path: sokol-tools-bin
-        fetch-depth: 1
-    - name: Setup sokol-shdc
-      if: steps.cache.outputs.cache-hit != 'true'
-      shell: bash
-      run: |
-        if [[ "$RUNNER_OS" == "Windows" ]]; then
-          TARGET_DIR="C:/Windows/System32"
-          SHDC_BINARY="sokol-shdc.exe"
-          FIND_PATH="bin/win32"
-        elif [[ "$RUNNER_OS" == "macOS" ]]; then
-          TARGET_DIR="/usr/local/bin"
-          SHDC_BINARY="sokol-shdc"
-          FIND_PATH="bin/osx_arm64"
-        else  # Linux
-          TARGET_DIR="/usr/local/bin"
-          SHDC_BINARY="sokol-shdc"
-          FIND_PATH="bin/linux"
-        fi
-        echo "Setting up sokol-tools from sokol-tools-bin/$FIND_PATH"
-        find sokol-tools-bin/$FIND_PATH -name $SHDC_BINARY -exec cp {} $TARGET_DIR \;
-        $SHDC_BINARY -h
     - uses: yuchanns/actions-luamake@v1
       if: steps.cache.outputs.cache-hit != 'true'
       with:

clibs/soluna/compile_shader.lua

@@ -1,7 +1,15 @@
 local lm = require "luamake"
 local fs = require "bee.filesystem"
 
-local shdc<const> = lm.shdc or ""
+local paths = {
+  windows = "$PATH/win32/$NAME.exe",
+  macos = "$PATH/osx_arm64/$NAME",
+  linux = "$PATH/linux/$NAME",
+}
+local shdc = assert(paths[lm.os]):gsub("%$(%u+)", {
+  PATH = tostring(lm.basedir / "bin/sokol-tools-bin/bin"),
+  NAME = "sokol-shdc",
+})
 
 local function compile_shader(src, name, lang)
   local dep = name .. "_shader"

clibs/soluna/make.lua

@@ -19,7 +19,6 @@ if ok then
     local output = process.stdout:read "a"
     commit = output:match "^%s*(.-)%s*$"
     process:wait()
-    print("Hash version: " .. commit)
   end
 end
 

clibs/soluna/shader2c.lua

@@ -1,23 +1,6 @@
 local subprocess = require "bee.subprocess"
-local platform = require "bee.platform"
 local shdcexe, src, target, lang = ...
 
-local function find_executable(name)
-  local handle = io.popen("where " .. name .. " 2>nul")
-  if handle then
-    local path = handle:read("*line")
-    local success = handle:close()
-    if success and path and path ~= "" then
-      return path:gsub("%s+$", "")
-    end
-  end
-  return name
-end
-
-if shdcexe == "" then
-  shdcexe = platform.os == "windows" and find_executable("sokol-shdc.exe") or "sokol-shdc"
-end
-
 local process = assert(subprocess.spawn {
   shdcexe,
   "--input",