key target by job id automatically

README.md

@@ -2,17 +2,10 @@
 
 A GitHub Action that implements smart caching for rust/cargo projects
 
-## Inputs
-
-- `key` - An optional key for the `target` cache. This is useful in case you
-  have different jobs for test / check / clippy, etc
-
 ## Example usage
 
 ```yaml
 - uses: Swatinem/rust-cache@v1
-  with:
-    key: test
 ```
 
 ## Specifics
@@ -26,9 +19,9 @@ target
 ```
 
 It disables incremental compilation and only caches dependencies. The
-assumption is that we will likely recompile the own crate(s) anyway.
+assumption is that we will likely recompile our own crate(s) anyway.
 
-It also separates the cache into 4 groups, each treated differently:
+It also separates the cache into 3 groups, each treated differently:
 
 - Registry Index: `~/.cargo/registry/index/<registry>`:
 
@@ -42,6 +35,6 @@ It also separates the cache into 4 groups, each treated differently:
 
 - target: `./target`
 
-  Automatically keyed by the lockfile/toml hash, and is being pruned to only
-  persist the dependencies that are being used. This is especially throwing
-  away any intermediate artifacts.
+  Automatically keyed by the lockfile, toml hash and job, and is being pruned
+  to only persist the dependencies that are being used. This is especially
+  throwing away any intermediate artifacts.

dist/restore/index.js

@@ -54616,7 +54616,7 @@ const home = external_os_default().homedir();
 const paths = {
     index: external_path_default().join(home, ".cargo/registry/index"),
     cache: external_path_default().join(home, ".cargo/registry/cache"),
-    git: external_path_default().join(home, ".cargo/git/db"),
+    // git: path.join(home, ".cargo/git/db"),
     target: "target",
 };
 const RefKey = "GITHUB_REF";
@@ -54634,6 +54634,10 @@ async function getCaches() {
     if (targetKey) {
         targetKey = `${targetKey}-`;
     }
+    const job = process.env.GITHUB_JOB;
+    if (job) {
+        targetKey = `${job}-${targetKey}`;
+    }
     const registryIndex = `v0-registry-index`;
     const registryCache = `v0-registry-cache`;
     const target = `v0-target-${targetKey}${rustKey}`;

dist/save/index.js

@@ -54619,7 +54619,7 @@ const home = external_os_default().homedir();
 const paths = {
     index: external_path_default().join(home, ".cargo/registry/index"),
     cache: external_path_default().join(home, ".cargo/registry/cache"),
-    git: external_path_default().join(home, ".cargo/git/db"),
+    // git: path.join(home, ".cargo/git/db"),
     target: "target",
 };
 const RefKey = "GITHUB_REF";
@@ -54637,6 +54637,10 @@ async function getCaches() {
     if (targetKey) {
         targetKey = `${targetKey}-`;
     }
+    const job = process.env.GITHUB_JOB;
+    if (job) {
+        targetKey = `${job}-${targetKey}`;
+    }
     const registryIndex = `v0-registry-index`;
     const registryCache = `v0-registry-cache`;
     const target = `v0-target-${targetKey}${rustKey}`;

src/common.ts

@@ -10,7 +10,7 @@ const home = os.homedir();
 export const paths = {
   index: path.join(home, ".cargo/registry/index"),
   cache: path.join(home, ".cargo/registry/cache"),
-  git: path.join(home, ".cargo/git/db"),
+  // git: path.join(home, ".cargo/git/db"),
   target: "target",
 };
 
@@ -45,6 +45,10 @@ export async function getCaches(): Promise<Caches> {
   if (targetKey) {
     targetKey = `${targetKey}-`;
   }
+  const job = process.env.GITHUB_JOB;
+  if (job) {
+    targetKey = `${job}-${targetKey}`;
+  }
 
   const registryIndex = `v0-registry-index`;
   const registryCache = `v0-registry-cache`;