Skip prep steps if using pathsToPush (#180)

* Skip prep steps if using `pathsToPush`

* ci: add a test for pushPaths

* Update test.yml

* fix

* fix

* fix

Author: sandydoo

.github/workflows/test.yml

@@ -69,6 +69,27 @@ jobs:
         useDaemon: ${{ matrix.useDaemon }}
     - run: nix-build test.nix
 
+  push-paths:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v4
+    - run: yarn install --frozen-lockfile
+    - run: yarn build
+    - uses: cachix/install-nix-action@v26
+    - id: paths
+      run: |
+        paths=$(nix-instantiate test.nix | tr '\n' ' ')
+        echo "OUT_PATHS=$paths" >> $GITHUB_OUTPUT
+    - name: Test pushPaths
+      uses: ./
+      with:
+        name: cachix-action
+        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
+        pathsToPush: '${{ steps.paths.outputs.OUT_PATHS }}'
+
   installCommand:
     strategy:
       matrix:

dist/main/index.js

@@ -7754,6 +7754,8 @@ var PushMode;
 (function (PushMode) {
     // Disable pushing entirely.
     PushMode["None"] = "None";
+    // Push paths provided via the `pathsToPush` input.
+    PushMode["PushPaths"] = "PushPaths";
     // Scans the entire store during the pre- and post-hooks and uploads the difference.
     // This is a very simple method and is likely to work in any environment.
     // There are two downsides:
@@ -7821,7 +7823,10 @@ async function setup() {
     // Determine the push mode to use
     let pushMode = PushMode.None;
     if (hasPushTokens && !skipPush) {
-        if (useDaemon) {
+        if (pathsToPush) {
+            pushMode = PushMode.PushPaths;
+        }
+        else if (useDaemon) {
             let supportsDaemonInterface = (cachixVersion) ? semver_1.default.gte(cachixVersion, '1.7.0') : false;
             let supportsPostBuildHook = await isTrustedUser();
             if (!supportsDaemonInterface) {
@@ -7846,7 +7851,7 @@ async function setup() {
                 'daemon', 'run',
                 '--socket', `${daemonDir}/daemon.sock`,
                 name,
-                ...cachixArgs.split(' ').filter((arg) => arg !== ''),
+                ...splitArgs(cachixArgs),
             ], {
                 stdio: ['ignore', daemonLog, daemonLog],
                 detached: true,
@@ -7895,6 +7900,10 @@ async function upload() {
             }
             break;
         }
+        case PushMode.PushPaths: {
+            await exec.exec(cachixBin, ["push", ...splitArgs(cachixArgs), name, ...splitArgs(pathsToPush)]);
+            break;
+        }
         case PushMode.Daemon: {
             const daemonDir = process.env[ENV_CACHIX_DAEMON_DIR];
             if (!daemonDir) {
@@ -7921,7 +7930,7 @@ async function upload() {
             break;
         }
         case PushMode.StoreScan: {
-            await exec.exec(`${__dirname}/push-paths.sh`, [cachixBin, cachixArgs, name, pathsToPush, pushFilter]);
+            await exec.exec(`${__dirname}/push-paths.sh`, [cachixBin, cachixArgs, name, pushFilter]);
             break;
         }
     }
@@ -8074,6 +8083,9 @@ function partitionUsersAndGroups(mixedUsers) {
     });
     return [users, groups];
 }
+function splitArgs(args) {
+    return args.split(' ').filter((arg) => arg !== '');
+}
 const isPost = !!core.getState('isPost');
 // Main
 try {

dist/main/push-paths.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-cachix=$1 cachixArgs=${2:--j8} cache=$3 pathsToPush=$4 pushFilter=$5
+cachix=$1 cachixArgs=${2:--j8} cache=$3 pushFilter=$4
 
 filterPaths() {
   local regex=$1
@@ -12,12 +12,10 @@ filterPaths() {
   done | xargs
 }
 
-if [[ -z $pathsToPush ]]; then
-    pathsToPush=$(comm -13 <(sort /tmp/store-path-pre-build) <("$(dirname "$0")"/list-nix-store.sh))
+pathsToPush=$(comm -13 <(sort /tmp/store-path-pre-build) <("$(dirname "$0")"/list-nix-store.sh))
 
-    if [[ -n $pushFilter ]]; then
-        pathsToPush=$(filterPaths $pushFilter "$pathsToPush")
-    fi
+if [[ -n $pushFilter ]]; then
+    pathsToPush=$(filterPaths $pushFilter "$pathsToPush")
 fi
 
 echo "$pathsToPush" | "$cachix" push $cachixArgs "$cache"

src/main.ts

@@ -30,6 +30,8 @@ const ENV_CACHIX_DAEMON_DIR = 'CACHIX_DAEMON_DIR';
 enum PushMode {
   // Disable pushing entirely.
   None = 'None',
+  // Push paths provided via the `pathsToPush` input.
+  PushPaths = 'PushPaths',
   // Scans the entire store during the pre- and post-hooks and uploads the difference.
   // This is a very simple method and is likely to work in any environment.
   // There are two downsides:
@@ -107,7 +109,9 @@ async function setup() {
   let pushMode = PushMode.None;
 
   if (hasPushTokens && !skipPush) {
-    if (useDaemon) {
+    if (pathsToPush) {
+      pushMode = PushMode.PushPaths;
+    } else if (useDaemon) {
       let supportsDaemonInterface = (cachixVersion) ? semver.gte(cachixVersion, '1.7.0') : false;
       let supportsPostBuildHook = await isTrustedUser();
 
@@ -138,7 +142,7 @@ async function setup() {
           'daemon', 'run',
           '--socket', `${daemonDir}/daemon.sock`,
           name,
-          ...cachixArgs.split(' ').filter((arg) => arg !== ''),
+          ...splitArgs(cachixArgs),
         ],
         {
           stdio: ['ignore', daemonLog, daemonLog],
@@ -169,6 +173,7 @@ async function setup() {
 
       break;
     }
+
     case PushMode.StoreScan: {
       // Remember existing store paths
       await exec.exec("sh", ["-c", `${__dirname}/list-nix-store.sh > /tmp/store-path-pre-build`]);
@@ -200,6 +205,12 @@ async function upload() {
 
       break;
     }
+
+    case PushMode.PushPaths: {
+      await exec.exec(cachixBin, ["push", ...splitArgs(cachixArgs), name, ...splitArgs(pathsToPush)]);
+      break;
+    }
+
     case PushMode.Daemon: {
       const daemonDir = process.env[ENV_CACHIX_DAEMON_DIR];
 
@@ -233,7 +244,7 @@ async function upload() {
     }
 
     case PushMode.StoreScan: {
-      await exec.exec(`${__dirname}/push-paths.sh`, [cachixBin, cachixArgs, name, pathsToPush, pushFilter]);
+      await exec.exec(`${__dirname}/push-paths.sh`, [cachixBin, cachixArgs, name, pushFilter]);
       break;
     }
   }
@@ -414,6 +425,10 @@ function partitionUsersAndGroups(mixedUsers: string[]): [string[], string[]] {
   return [users, groups];
 }
 
+function splitArgs(args: string): string[] {
+  return args.split(' ').filter((arg) => arg !== '');
+}
+
 const isPost = !!core.getState('isPost');
 
 // Main