cause save state if no incrementa.json

src/config.ts

@@ -10,6 +10,7 @@ import * as toml from "smol-toml";
 import { getCargoBins } from "./cleanup";
 import { CacheProvider, exists, getCmdOutput } from "./utils";
 import { Workspace } from "./workspace";
+import { isIncrementalMissing } from "./incremental";
 
 const HOME = os.homedir();
 export const CARGO_HOME = process.env.CARGO_HOME || path.join(HOME, ".cargo");
@@ -62,8 +63,6 @@ export class CacheConfig {
 
     let key = core.getInput("prefix-key") || "v0-rust";
 
-
-
     const sharedKey = core.getInput("shared-key");
     if (sharedKey) {
       key += `-${sharedKey}`;
@@ -120,7 +119,6 @@ export class CacheConfig {
 
     self.keyEnvs = keyEnvs;
 
-
     // Make sure we consider incremental builds
     self.incremental = core.getInput("incremental").toLowerCase() == "true";
     hasher.update(`incremental=${self.incremental}`);
@@ -275,6 +273,14 @@ export class CacheConfig {
       self.cachePaths.push(dir);
     }
 
+    if (self.incremental) {
+      if (cacheTargets === "true") {
+        for (const target of self.workspaces.map((ws) => ws.target)) {
+          self.cachePaths.push(path.join(target, "incremental"));
+        }
+      }
+    }
+
     const bins = await getCargoBins();
     self.cargoBins = Array.from(bins.values());
 
@@ -343,6 +349,14 @@ export class CacheConfig {
   saveState() {
     core.saveState(STATE_CONFIG, this);
   }
+
+  isIncrementalMissing(): boolean {
+    if (this.incremental) {
+      return isIncrementalMissing();
+    }
+
+    return false;
+  }
 }
 
 /**

src/incremental.ts

@@ -7,11 +7,15 @@ import path from "path";
 import { exists } from "./utils";
 // import { Packages } from "./workspace";
 
+let incremental_missing = false;
+
+export function isIncrementalMissing(): boolean {
+  return incremental_missing;
+}
 
 export async function restoreIncremental(targetDir: string) {
   core.debug(`restoring incremental directory "${targetDir}"`);
 
-
   let dir = await fs.promises.opendir(targetDir);
   for await (const dirent of dir) {
     if (dirent.isDirectory()) {
@@ -46,5 +50,8 @@ async function restoreIncrementalProfile(dirName: string) {
       const filePath = path.join(dirName, fileName);
       await fs.promises.utimes(filePath, new Date(mtime), new Date(mtime));
     }
+  } else {
+    core.debug(`incremental-restore.json not found for ${dirName}`);
+    incremental_missing = true;
   }
 }

src/restore.ts

@@ -56,7 +56,7 @@ async function run() {
         }
       }
 
-      if (!match) {
+      if (!match || config.isIncrementalMissing()) {
         // pre-clean the target directory on cache mismatch
         for (const workspace of config.workspaces) {
           try {