[f43] fix: sccache setup and toggle (#10028) (#10044)

* fix: sccache setup and toggle (#10028)

* fix: Try and fix sccache toggle...again

Signed-off-by: Gilver <roachy@fyralabs.com>

* Beep

Signed-off-by: Gilver <roachy@fyralabs.com>

* Revert "Beep"

This reverts commit 34ee5aa7fa.

* ?

Signed-off-by: Gilver <roachy@fyralabs.com>

* chore: sccache path

Signed-off-by: Gilver <roachy@fyralabs.com>

* chore: Add back if

Signed-off-by: Gilver <roachy@fyralabs.com>

* The Success

* fix: Reminder to disable autoformatting on Kate again

* feat: sccache summary back

Signed-off-by: Gilver <roachy@fyralabs.com>

---------

Signed-off-by: Gilver <roachy@fyralabs.com>
(cherry picked from commit d2e74d4b37)
Signed-off-by: GildedRoach <GildedRoach@users.noreply.github.com>

* Update configure-sccache.js

Signed-off-by: Gilver <roachy@fyralabs.com>

---------

Signed-off-by: Gilver <roachy@fyralabs.com>
Signed-off-by: GildedRoach <GildedRoach@users.noreply.github.com>

.github/scripts/configure-sccache.js

@@ -6,7 +6,7 @@
 // Note: ACTIONS_CACHE_SERVICE_V2 and SCCACHE_GHA_ENABLED are set at workflow level
 module.exports = async ({ github, context, core, exec }) => {
   // Find sccache path (try which command)
-  let sccachePath = "sccache";
+  let sccachePath = "/usr/bin/sccache";
   try {
     const result = await exec.getExecOutput("which", ["sccache"], {
       ignoreReturnCode: true,
@@ -19,6 +19,7 @@ module.exports = async ({ github, context, core, exec }) => {
   } catch (e) {
     core.debug(`Could not find sccache path: ${e.message}`);
   }
+
   // Check sccache version
   try {
     const versionResult = await exec.getExecOutput(sccachePath, ["--version"], {
@@ -29,6 +30,14 @@ module.exports = async ({ github, context, core, exec }) => {
   } catch (e) {
     core.warning(`Could not get sccache version: ${e.message}`);
   }
+
+  // Enable caching
+  core.exportVariable("RUSTC_WRAPPER", sccachePath);
+  core.exportVariable("SCCACHE_GHA_ENABLED", "true");
+
+  // Disable Cargo incremental builds to not interfere with caching
+  core.exportVariable("CARGO_INCREMENTAL", "false");
+  
   // Debug: Show what environment variables are available
   core.info("=== Environment Variables Diagnostic ===");
   core.info(`SCCACHE_GHA_ENABLED: ${process.env.SCCACHE_GHA_ENABLED}`);
@@ -44,8 +53,10 @@ module.exports = async ({ github, context, core, exec }) => {
   core.info(`RUSTC_WRAPPER: ${process.env.RUSTC_WRAPPER}`);
   core.info(`SCCACHE_LOG: ${process.env.SCCACHE_LOG}`);
   core.info("========================================");
+
   // Export SCCACHE_PATH so it's available to subsequent steps
   core.exportVariable("SCCACHE_PATH", sccachePath);
+
   // Expose the GHA cache related variables to make it easier for users to
   // integrate with GHA support (from upstream mozilla/sccache-action)
   if (process.env.ACTIONS_RESULTS_URL) {
@@ -56,6 +67,7 @@ module.exports = async ({ github, context, core, exec }) => {
       "ACTIONS_RESULTS_URL is not set - GitHub Actions cache WILL NOT work",
     );
   }
+
   if (process.env.ACTIONS_RUNTIME_TOKEN) {
     core.exportVariable(
       "ACTIONS_RUNTIME_TOKEN",
@@ -67,6 +79,7 @@ module.exports = async ({ github, context, core, exec }) => {
       "ACTIONS_RUNTIME_TOKEN is not set - GitHub Actions cache WILL NOT work",
     );
   }
+
   // Set cache version and restore keys for this specific build matrix
   if (process.env.SCCACHE_GHA_VERSION) {
     core.exportVariable("SCCACHE_GHA_VERSION", process.env.SCCACHE_GHA_VERSION);
@@ -77,6 +90,7 @@ module.exports = async ({ github, context, core, exec }) => {
       process.env.SCCACHE_GHA_CACHE_FROM,
     );
   }
+
   // Check if cache busting is enabled
   const inputs =
     (github &&
@@ -90,16 +104,20 @@ module.exports = async ({ github, context, core, exec }) => {
     process.env.INPUT_BUST_CACHE ??
     process.env.BUST_CACHE;
   let bustCache = false;
+
   if (typeof rawBustCache === "string") {
     const v = rawBustCache.toLowerCase().trim();
     bustCache = v === "true" || v === "1" || v === "yes";
   } else {
     bustCache = !!rawBustCache;
   }
+
   if (bustCache) {
+    core.exportVariable("SCCACHE_BUST_CACHE", "true");
     core.exportVariable("SCCACHE_RECACHE", "1");
     core.info("SCCACHE_RECACHE enabled because bust_cache is true");
   }
+
   // Stop any running sccache daemon so it picks up the new environment variables
   core.info("Stopping any running sccache daemon to pick up configuration...");
   try {
@@ -112,6 +130,7 @@ module.exports = async ({ github, context, core, exec }) => {
       `Could not stop sccache daemon (it may not be running): ${e.message}`,
     );
   }
+
   // Verify sccache can see the GHA environment variables by starting server with explicit env
   core.info("Starting sccache server with GHA environment variables...");
   const sccacheEnv = {
@@ -119,6 +138,7 @@ module.exports = async ({ github, context, core, exec }) => {
     SCCACHE_GHA_ENABLED: process.env.SCCACHE_GHA_ENABLED || "on",
     ACTIONS_CACHE_SERVICE_V2: process.env.ACTIONS_CACHE_SERVICE_V2 || "on",
   };
+
   try {
     await exec.exec(sccachePath, ["--start-server"], {
       ignoreReturnCode: true,
@@ -128,6 +148,7 @@ module.exports = async ({ github, context, core, exec }) => {
   } catch (e) {
     core.warning(`Could not start sccache server: ${e.message}`);
   }
+
   // Show the current sccache configuration
   core.info("Verifying sccache configuration:");
   try {
@@ -139,6 +160,7 @@ module.exports = async ({ github, context, core, exec }) => {
         env: sccacheEnv,
       },
     );
+
     // Check if it's using GitHub Actions cache
     if (statsResult.stdout.includes("GitHub Actions")) {
       core.info("✓ sccache is configured to use GitHub Actions cache");