Merge cdd6408fed into d8352f6b1d

Add `CARGO_HOME` to `GITHUB_ENV`

README.md

@@ -43,6 +43,8 @@ All inputs are optional.
     Rustup toolchain specifier e.g. <code>stable</code>, <code>nightly</code>, <code>1.42.0</code>, <code>nightly-2022-01-01</code>.
     <b>Important: the default is to match the @rev as described above.</b>
     When passing an explicit <code>toolchain</code> as an input instead of @rev, you'll want to use "dtolnay/rust-toolchain@master" as the revision of the action.
+    <b>Also important: use quotes to ensure that the right toolchain version is passed to this GitHub Action.</b>
+    For example, specify <code>toolchain: '1.70'</code> (with quotes) because <code>toolchain: 1.70</code> will be parsed as <code>toolchain: 1.7</code>.
   </td>
 </tr>
 <tr>
@@ -86,7 +88,7 @@ compiler support.
      # offset, which may be written in years, months, weeks, or days.
   - uses: dtolnay/rust-toolchain@master
     with:
-      toolchain: stable 18 months ago
+      toolchain: 'stable 18 months ago'
 ```
 
 ```yaml
@@ -94,7 +96,7 @@ compiler support.
      # the specified number of minor versions.
   - uses: dtolnay/rust-toolchain@master
     with:
-      toolchain: stable minus 8 releases
+      toolchain: 'stable minus 8 releases'
 ```
 
 <br>

action.yml

@@ -59,11 +59,16 @@ runs:
         components: ${{inputs.components}}
       shell: bash
 
+    - run: |
+        : set $CARGO_HOME
+        echo CARGO_HOME=${CARGO_HOME:-${{runner.os == 'Windows' && '$USERPROFILE' || '$HOME'}}/.cargo} >> $GITHUB_ENV
+      shell: bash
+
     - run: |
         : install rustup if needed
         if ! command -v rustup &>/dev/null; then
           curl --proto '=https' --tlsv1.2 --retry 10 --retry-connrefused --location --silent --show-error --fail "https://sh.rustup.rs" | sh -s -- --default-toolchain none -y
-          echo "${CARGO_HOME:-$HOME/.cargo}/bin" >> $GITHUB_PATH
+          echo "$CARGO_HOME/bin" >> $GITHUB_PATH
         fi
       if: runner.os != 'Windows'
       shell: bash