diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 00000000..5a061a10
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,7 @@
+
+# Ensure git handles line endings correctly
+# Set the default behavior, in case core.autocrlf is not set.
+* text=auto
+
+# Ensure shell scripts are strictly linux-style
+*.sh text eol=lf
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bac19303..8ed1e5bb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -139,7 +139,7 @@ jobs:
       # feel free to update it
       - run: |
           source .github/scripts/assert.sh
-          assert_in "1.1.12" "$(poetry --version)"
+          assert_in "1.1.13" "$(poetry --version)"
 
   # Make sure scripts are not deleted.
   # If we deleted the scripts folder (or subfolders) by accident,
diff --git a/action.yml b/action.yml
index 5cd89a21..8121d540 100644
--- a/action.yml
+++ b/action.yml
@@ -32,61 +32,12 @@ runs:
   using: "composite"
   steps:
     - name: Install and configure Poetry
-      run: |
-        installation_script="$(mktemp)"
-        curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/48339106eb0d403a3c66519317488c8185844b32/install-poetry.py --output "$installation_script"
-
-        if [ "${{ runner.os }}" == "Windows" ]; then
-          path="C:/Users/runneradmin/AppData/Roaming/Python/Scripts"
-        else
-          path="$HOME/.local/"
-        fi
-
-        echo -e "\n\033[33mSetting Poetry installation path as $path\033[0m\n"
-        echo -e "\033[33mInstalling Poetry 👷\033[0m\n"
-
-        if [ "${{ inputs.version }}" == "latest" ]; then
-          POETRY_HOME=$path python3 $installation_script --yes ${{ inputs.installation-arguments}}
-        else
-          POETRY_HOME=$path python3 $installation_script --yes --version=${{ inputs.version }} ${{ inputs.installation-arguments}}
-        fi
-
-        echo "$path/bin" >>$GITHUB_PATH
-        export PATH="$path/bin:$PATH"
-
-        if [ "${{ runner.os }}" == "Windows" ]; then
-          poetry_="$path/bin/poetry.exe"
-        else
-          poetry_=poetry
-        fi
-
-        $poetry_ config virtualenvs.create ${{ inputs.virtualenvs-create }}
-        $poetry_ config virtualenvs.in-project ${{ inputs.virtualenvs-in-project }}
-        $poetry_ config virtualenvs.path ${{ inputs.virtualenvs-path }}
-
-        config="$($poetry_ config --list)"
-
-        if echo "$config" | grep -q -c "installer.parallel"; then
-          $poetry_ config installer.parallel "${{ inputs.installer-parallel }}"
-        fi
-
-        if [ "${{ runner.os }}" == "Windows" ]; then
-          act="source .venv/scripts/activate"
-          echo "VENV=.venv/scripts/activate" >>"$GITHUB_ENV"
-        else
-          act="source .venv/bin/activate"
-          echo "VENV=.venv/bin/activate" >>"$GITHUB_ENV"
-        fi
-
-        echo -e "\n\033[33mInstallation completed. Configuring settings 🛠\033[0m"
-        echo -e "\n\033[33mDone ✅\033[0m"
-
-        if [ "${{ inputs.virtualenvs-create }}" == true ] || [ "${{ inputs.virtualenvs-create }}" == "true" ]; then
-          echo -e "\n\033[33mIf you are creating a venv in your project, you can activate it by running '$act'. If you're running this in an OS matrix, you can use 'source \$VENV' instead, as an OS agnostic option\033[0m"
-        fi
-        if [ "${{ runner.os }}" == "Windows" ]; then
-          echo -e "\n\033[33mMake sure to set your default shell to bash when on Windows.\033[0m"
-          echo -e "\n\033[33mSee the github action docs for more information and examples.\033[0m"
-        fi
-
+      run: /bin/bash $GITHUB_ACTION_PATH/main.sh
       shell: bash
+      env:
+        VERSION:                ${{ inputs.version }}
+        VIRTUALENVS_CREATE:     ${{ inputs.virtualenvs-create }}
+        VIRTUALENVS_IN_PROJECT: ${{ inputs.virtualenvs-in-project }}
+        VIRTUALENVS_PATH:       ${{ inputs.virtualenvs-path }}
+        INSTALLER_PARALLEL:     ${{ inputs.installer-parallel }}
+        INSTALLATION_ARGUMENTS: ${{ inputs.installation-arguments }}
diff --git a/main.sh b/main.sh
new file mode 100644
index 00000000..155038e3
--- /dev/null
+++ b/main.sh
@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+
+installation_script="$(mktemp)"
+curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/48339106eb0d403a3c66519317488c8185844b32/install-poetry.py --output "$installation_script"
+
+if [ "${RUNNER_OS}" == "Windows" ]; then
+    path="C:/Users/runneradmin/AppData/Roaming/Python/Scripts"
+else
+    path="$HOME/.local/"
+fi
+
+echo -e "\n\033[33mSetting Poetry installation path as $path\033[0m\n"
+echo -e "\033[33mInstalling Poetry 👷\033[0m\n"
+
+if [ "${VERSION}" == "latest" ]; then
+    POETRY_HOME=$path python3 $installation_script --yes ${INSTALLATION_ARGUMENTS}
+else
+    POETRY_HOME=$path python3 $installation_script --yes --version=${VERSION} ${INSTALLATION_ARGUMENTS}
+fi
+
+echo "$path/bin" >>"$GITHUB_PATH"
+export PATH="$path/bin:$PATH"
+
+if [ "${RUNNER_OS}" == "Windows" ]; then
+    poetry_="$path/bin/poetry.exe"
+else
+    poetry_=poetry
+fi
+
+# Expand any "~" in VIRTUALENVS_PATH
+VIRTUALENVS_PATH="${VIRTUALENVS_PATH/#\~/$HOME}"
+
+$poetry_ config virtualenvs.create ${VIRTUALENVS_CREATE}
+$poetry_ config virtualenvs.in-project ${VIRTUALENVS_IN_PROJECT}
+$poetry_ config virtualenvs.path ${VIRTUALENVS_PATH}
+
+config="$($poetry_ config --list)"
+
+if echo "$config" | grep -q -c "installer.parallel"; then
+    $poetry_ config installer.parallel "${INSTALLER_PARALLEL}"
+fi
+
+if [ "${RUNNER_OS}" == "Windows" ]; then
+    act="source .venv/scripts/activate"
+    echo "VENV=.venv/scripts/activate" >>"$GITHUB_ENV"
+else
+    act="source .venv/bin/activate"
+    echo "VENV=.venv/bin/activate" >>"$GITHUB_ENV"
+fi
+
+echo -e "\n\033[33mInstallation completed. Configuring settings 🛠\033[0m"
+echo -e "\n\033[33mDone ✅\033[0m"
+
+if [ "${VIRTUALENVS_CREATE}" == true ] || [ "${VIRTUALENVS_CREATE}" == "true" ]; then
+    echo -e "\n\033[33mIf you are creating a venv in your project, you can activate it by running '$act'. If you're running this in an OS matrix, you can use 'source \$VENV' instead, as an OS agnostic option\033[0m"
+fi
+if [ "${RUNNER_OS}" == "Windows" ]; then
+    echo -e "\n\033[33mMake sure to set your default shell to bash when on Windows.\033[0m"
+    echo -e "\n\033[33mSee the github action docs for more information and examples.\033[0m"
+fi