Try to fix the Windows CI

.github/workflows/rust.yml

@@ -51,7 +51,7 @@ jobs:
       - name: Run cargo check
         run: |
           cargo clean
-          ./convert-to-heed3.sh
+          bash convert-to-heed3.sh
           cargo check -p heed3
 
   check_all_features:
@@ -104,7 +104,7 @@ jobs:
       - name: Run cargo test
         run: |
           cargo clean
-          ./convert-to-heed3.sh
+          bash convert-to-heed3.sh
           cargo check --all-features -p heed3
 
   examples:
@@ -155,7 +155,7 @@ jobs:
       - name: Run the examples
         run: |
           cargo clean
-          ./convert-to-heed3.sh
+          bash convert-to-heed3.sh
           cargo run --example 2>&1 | grep -E '^ '| xargs -n1 cargo run --example
 
   fmt:

convert-to-heed3.sh

@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 # This script is meant to setup the heed3 crate.
 #
 
@@ -10,7 +12,12 @@ set -e
 
 # It basically copy the heed3/Cargo.toml file into
 # the heed folder...
-cp heed3/Cargo.toml heed/Cargo.toml
+if [[ "$OSTYPE" == "cygwin" || "$OSTYPE" == "msys" ]]; then
+    echo 'I did it on Windows'
+    cp heed3\\Cargo.toml heed\\Cargo.toml
+else
+    cp heed3/Cargo.toml heed/Cargo.toml
+fi
 
 # ...and replaces the `heed::` string by the `heed3::` one.
 for file in $(find heed/src -type f -name "*.rs"); do