Fixed parsing error when Python version is defined with tilde (#6)

Author: hbelmiro

.github/workflows/test.yml

@@ -170,7 +170,7 @@ jobs:
         with:
           pyproject-path: ./test-fixtures/requirements-out-of-sync/pyproject.toml
           requirements-path: ./test-fixtures/requirements-out-of-sync/requirements.txt
-          requirements-command: uv sync --directory ./test-fixtures/requirements-out-of-sync
+          requirements-command: uv pip compile ./test-fixtures/requirements-out-of-sync/pyproject.toml -o ./test-fixtures/requirements-out-of-sync/requirements.txt
       - name: Assert action failed
         run: |
           if [[ "${{ steps.action_step.outcome }}" == "success" ]]; then
@@ -245,7 +245,7 @@ jobs:
         with:
           pyproject-path: ./test-fixtures/uv-lock-out-of-sync/pyproject.toml
           requirements-path: ./test-fixtures/uv-lock-out-of-sync/requirements.txt
-          requirements-command: uv sync --directory ./test-fixtures/uv-lock-out-of-sync
+          requirements-command: uv pip compile ./test-fixtures/uv-lock-out-of-sync/pyproject.toml -o ./test-fixtures/uv-lock-out-of-sync/requirements.txt
       - name: Assert action failed
         run: |
           if [[ "${{ steps.action_step.outcome }}" == "success" ]]; then
@@ -254,3 +254,23 @@ jobs:
           else
             echo "Action failed as expected."
           fi
+
+  test-python-version-tilde:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install uv
+        run: |
+          curl -LsSf https://astral.sh/uv/install.sh | sh
+          export PATH="$HOME/.local/bin:$PATH"
+      - name: Debug - List test-fixtures/python-version-tilde
+        run: |
+          pwd
+          ls -l ./test-fixtures/python-version-tilde
+          cat ./test-fixtures/python-version-tilde/pyproject.toml
+      - name: Run action
+        id: action_step
+        uses: ./
+        with:
+          pyproject-path: ./test-fixtures/python-version-tilde/pyproject.toml
+          requirements-command: uv sync --directory ./test-fixtures/python-version-tilde

action.yaml

@@ -32,7 +32,7 @@ runs:
           echo "Error: pyproject.toml not found at ${{ inputs.pyproject-path }}"
           exit 1
         fi
-        PYTHON_VERSION=$(grep -m 1 'requires-python' "${{ inputs.pyproject-path }}" | sed -E 's/.*>=([0-9]+\.[0-9]+).*/\1/')
+        PYTHON_VERSION=$(grep -m 1 'requires-python' "${{ inputs.pyproject-path }}" | grep -oE '[0-9]+\.[0-9]+')
         if [ -z "$PYTHON_VERSION" ]; then
           echo "Error: Could not find Python version in ${{ inputs.pyproject-path }}"
           exit 1

test-fixtures/python-version-tilde/pyproject.toml

@@ -0,0 +1,7 @@
+[project]
+name = "test-project"
+version = "0.1.0"
+requires-python = "~=3.11.0"
+dependencies = [
+    "requests>=2.31.0",
+]

test-fixtures/python-version-tilde/uv.lock

@@ -2,12 +2,30 @@
 
 set -euo pipefail
 
-# Debug: Current directory
-pwd
+# Always resolve relative to the repo root (GITHUB_WORKSPACE or git rev-parse fallback)
+REPO_ROOT="${GITHUB_WORKSPACE:-$(git rev-parse --show-toplevel 2>/dev/null)}"
+if [[ "$SYNC_COMMAND" =~ --directory[=\ ]([^ ]+) ]]; then
+  DIR_ARG="${BASH_REMATCH[1]}"
+  # If DIR_ARG is not absolute, make it absolute relative to repo root
+  if [[ ! "$DIR_ARG" = /* ]]; then
+    ABS_DIR_ARG="$REPO_ROOT/$DIR_ARG"
+    SYNC_COMMAND="${SYNC_COMMAND/--directory $DIR_ARG/--directory $ABS_DIR_ARG}"
+    SYNC_COMMAND="${SYNC_COMMAND/--directory=$DIR_ARG/--directory=$ABS_DIR_ARG}"
+  fi
+fi
 
+echo "Resolved SYNC_COMMAND: $SYNC_COMMAND"
 echo "Running sync command: $SYNC_COMMAND"
 eval "$SYNC_COMMAND"
 
-git diff --exit-code
+# Check if any existing files have been modified
+if ! git diff --exit-code --quiet; then
+  echo "❌ Existing files have been modified by sync:"
+  git diff --name-only
+  echo ""
+  echo "This indicates that your lock files or requirements files are out of sync."
+  echo "Please run the sync command and commit the changes."
+  exit 1
+fi
 
 echo "✅ All files are in sync"