From 9a346e49e3e3a9e60e0fef18b13a00160d849f24 Mon Sep 17 00:00:00 2001
From: Zhigang Wang <kevinwang1975@gmail.com>
Date: Sun, 17 May 2026 12:50:08 +0200
Subject: [PATCH 1/2] Add release workflow with tag/release existence checks

---
 .github/workflows/ci.yml      |  6 +---
 .github/workflows/release.yml | 56 +++++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+), 5 deletions(-)
 create mode 100644 .github/workflows/release.yml

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5c888ff..b77e5d3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,8 +19,4 @@ jobs:
           java-version: 8
           distribution: temurin
           cache: maven
-      - run: mvn -B package
-      - uses: actions/upload-artifact@v4
-        with:
-          name: pathfinder-java8
-          path: target/pathfinder-1.0.jar
+      - run: mvn -B verify
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..6f4b5e6
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,56 @@
+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Release version (e.g., 1.1)'
+        required: true
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Check if tag already exists
+        run: |
+          if git rev-parse "v${{ inputs.version }}" >/dev/null 2>&1; then
+            echo "::error::Tag v${{ inputs.version }} already exists. Aborting."
+            exit 1
+          fi
+
+      - name: Check if release already exists
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          if gh release view "v${{ inputs.version }}" >/dev/null 2>&1; then
+            echo "::error::Release v${{ inputs.version }} already exists. Aborting."
+            exit 1
+          fi
+
+      - uses: actions/setup-java@v4
+        with:
+          java-version: 8
+          distribution: temurin
+          cache: maven
+
+      - run: mvn -B package
+
+      - name: Create and push tag
+        run: |
+          git tag "v${{ inputs.version }}"
+          git push origin "v${{ inputs.version }}"
+
+      - name: Create release
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          VERSION="${{ inputs.version }}"
+          gh release create "v$VERSION" \
+            target/pathfinder-1.0.jar \
+            --title "v$VERSION" \
+            --generate-notes \
+            --target "${{ github.ref_name }}"

From 9aee713e5d9dd7cc8a658ebc133b20ae151b2197 Mon Sep 17 00:00:00 2001
From: Zhigang Wang <kevinwang1975@gmail.com>
Date: Sun, 17 May 2026 12:58:03 +0200
Subject: [PATCH 2/2] Read version from pom.xml instead of manual input

---
 .github/workflows/release.yml | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6f4b5e6..d8b9688 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -2,10 +2,6 @@ name: Release
 
 on:
   workflow_dispatch:
-    inputs:
-      version:
-        description: 'Release version (e.g., 1.1)'
-        required: true
 
 jobs:
   release:
@@ -15,10 +11,15 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Get version from pom.xml
+        run: |
+          VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
+          echo "VERSION=$VERSION" >> $GITHUB_ENV
+
       - name: Check if tag already exists
         run: |
-          if git rev-parse "v${{ inputs.version }}" >/dev/null 2>&1; then
-            echo "::error::Tag v${{ inputs.version }} already exists. Aborting."
+          if git rev-parse "v${{ env.VERSION }}" >/dev/null 2>&1; then
+            echo "::error::Tag v${{ env.VERSION }} already exists. Aborting."
             exit 1
           fi
 
@@ -26,8 +27,8 @@ jobs:
         env:
           GH_TOKEN: ${{ github.token }}
         run: |
-          if gh release view "v${{ inputs.version }}" >/dev/null 2>&1; then
-            echo "::error::Release v${{ inputs.version }} already exists. Aborting."
+          if gh release view "v${{ env.VERSION }}" >/dev/null 2>&1; then
+            echo "::error::Release v${{ env.VERSION }} already exists. Aborting."
             exit 1
           fi
 
@@ -41,16 +42,15 @@ jobs:
 
       - name: Create and push tag
         run: |
-          git tag "v${{ inputs.version }}"
-          git push origin "v${{ inputs.version }}"
+          git tag "v${{ env.VERSION }}"
+          git push origin "v${{ env.VERSION }}"
 
       - name: Create release
         env:
           GH_TOKEN: ${{ github.token }}
         run: |
-          VERSION="${{ inputs.version }}"
-          gh release create "v$VERSION" \
+          gh release create "v${{ env.VERSION }}" \
             target/pathfinder-1.0.jar \
-            --title "v$VERSION" \
+            --title "v${{ env.VERSION }}" \
             --generate-notes \
             --target "${{ github.ref_name }}"