Add dependabot cooldown

This limits how quickly new dependencies are considered for updates.

.github/dependabot.yml

@@ -9,3 +9,5 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+    cooldown:
+      default-days: 7

.github/workflows/autotag-releases.yml

@@ -15,7 +15,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Get version from tag
         id: tag_name
         run: |

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
           - "beta"
           - "stable"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       # Test toolchain file support
       - name: Write rust-toolchain.toml
@@ -93,7 +93,7 @@ jobs:
     name: Cache
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install Rust
         uses: ./

CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.15.2] - 2025-10-04
+
+* Fix: Run the version detection steps in the selected `rust-src-dir` directory.
+    This should enable the version selection even without a default toolchain installed.
+    Fixes #74.
+
 ## [1.15.1] - 2025-09-23
 
 * Update `Swatinem/rust-cache` to v2.8.1

action.yml

@@ -169,8 +169,18 @@ runs:
         rust_src_dir: ${{inputs.rust-src-dir}}
       shell: bash
       run: |
-        if [[ -d "$rust_src_dir" ]]; then
-          cd "$rust_src_dir"
+        # Check if value is set
+        if [[ -n "$rust_src_dir" ]]
+        then
+          # If value is set the directory must exist
+          if [[ -d "$rust_src_dir" ]]
+          then
+            cd "$rust_src_dir"
+          else
+            echo "'rust-src-dir' does not point to an existing directory" >&2
+            echo "The value of 'rust-src-dir' is: ${rust_src_dir}" >&2
+            exit 1
+          fi
         fi
         if [[ -z "$toolchain" && ( -f "rust-toolchain" || -f "rust-toolchain.toml") ]]
         then
@@ -201,6 +211,8 @@ runs:
     - id: versions
       name: Print installed versions
       shell: bash
+      # Switch to the Rust sub-directory
+      working-directory: ${{inputs.rust-src-dir || '.'}}
       run: |
         echo "rustc-version=$(rustc --version)" >> $GITHUB_OUTPUT
         rustc --version --verbose
@@ -227,7 +239,7 @@ runs:
 
     - name: Setup Rust Caching
       if: inputs.cache == 'true'
-      uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
+      uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
       with:
         workspaces: ${{ inputs.cache-workspaces || inputs.rust-src-dir }}
         cache-directories: ${{inputs.cache-directories}}