Fix ExpiringSet not really working & causing memory leaks (#3027)

.gitattributes

@@ -0,0 +1,5 @@
+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# These are explicitly windows files and should use crlf
+*.bat           text eol=crlf

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -0,0 +1,63 @@
+name: 🐛 ​ Bug report
+description: Report an issue or problem with the way LuckPerms is functioning.
+labels: ["type: issue"]
+body:
+  - type: markdown
+    attributes:
+      value: "Before going any further, please check to see if your problem is fixed by updating to a newer version. The latest development builds can be obtained from https://luckperms.net/download"
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: Please provide a short description of the issue in the space below.
+      placeholder: Description goes here!
+    validations:
+      required: true
+  - type: textarea
+    id: reproduction-steps
+    attributes:
+      label: Reproduction Steps
+      description: Please provide a clear list of steps we should follow in order to reproduce your issue in the space below.
+      placeholder: List reproduction steps here, please!
+    validations:
+      required: true
+  - type: textarea
+    id: expected-behaviour
+    attributes:
+      label: Expected Behaviour
+      description: Please provide a description of what you expected to happen.
+      placeholder: Describe what you expected to happen here.
+    validations:
+      required: true
+  - type: input
+    id: server-info
+    attributes:
+      label: Server Details
+      description: Please provide a description of the server details, including type and specific version number.
+      placeholder: 'git-Paper-124 (MC: 1.17.1)'
+    validations:
+      required: true
+  - type: input
+    id: luckperms-version
+    attributes:
+      label: LuckPerms Version
+      description: Please provide the specific, precise version number of LuckPerms you are using to reproduce this bug.
+      placeholder: v5.3.70
+    validations:
+      required: true
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs and Configs
+      description: If you think it would be helpful, please also include a pastebin of any relevant config files or log output. You should use https://gist.github.com/ to upload, then include the link below. 
+      placeholder: https://gist.github.com/HelpfulBugReporter/ThisIsAVeryUsefulLogOutput
+    validations:
+      required: false
+  - type: textarea
+    id: extra-info
+    attributes:
+      label: Extra Details
+      description: Please include any other relevant details in the space below.
+      placeholder: I was able to reproduce this only at the end of a rainbow.
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/suggestion.yml

@@ -0,0 +1,31 @@
+name: 💡 ​ Suggestion
+description: Suggest an idea for an improvement or change to LuckPerms.
+labels: ["type: suggestion"]
+body:
+  - type: markdown
+    attributes:
+      value: "Before going any further, please check to see if your suggestion has already been added by checking the [wiki](https://luckperms.net/wiki/Home). The latest development builds can be obtained from https://luckperms.net/download"
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: Please provide a short description of your suggestion in the space below.
+      placeholder: Hello, perhaps you should...
+    validations:
+      required: true
+  - type: textarea
+    id: proposed-behaviour
+    attributes:
+      label: Proposed Behaviour
+      description: Please provide a short explanation of how the feature should work / be changed, and how this will affect the project.
+      placeholder: It would...
+    validations:
+      required: true
+  - type: textarea
+    id: extra-info
+    attributes:
+      label: Extra Details
+      description: Please include any other relevant details in the space below.
+      placeholder: I think this should only function at the end of a rainbow.
+    validations:
+      required: false

.github/workflows/ci.yml

@@ -0,0 +1,128 @@
+name: Build Gradle and Publish Docker image
+
+on:
+  push:
+    branches:
+      - 'master'
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - 'master'
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-gradle:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '25'
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Run build and tests with Gradle wrapper
+        run: ./gradlew test build -PdockerTests
+
+      - name: Publish test report
+        uses: mikepenz/action-junit-report@v5
+        if: success() || failure()
+        with:
+          report_paths: '**/build/test-results/test/TEST-*.xml'
+          annotate_notice: true
+          detailed_summary: true
+
+      - name: Upload all artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: jars
+          path: |
+            bukkit/loader/build/libs/LuckPerms-Bukkit-*.jar
+            bukkit-legacy/loader/build/libs/LuckPerms-Bukkit-Legacy-*.jar
+            bungee/loader/build/libs/LuckPerms-Bungee-*.jar
+            sponge/loader/build/libs/LuckPerms-Sponge-*.jar
+            nukkit/loader/build/libs/LuckPerms-Nukkit-*.jar
+            velocity/build/libs/LuckPerms-Velocity-*.jar
+            fabric/build/libs/LuckPerms-Fabric-*.jar
+            forge/loader/build/libs/LuckPerms-Forge-*.jar
+            standalone/loader/build/libs/LuckPerms-Standalone-*.jar
+
+      - name: Upload standalone artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: standalone-binary
+          path: standalone/loader/build/libs/LuckPerms-Standalone-*.jar
+
+
+  build-docker:
+    needs: build-gradle
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Retrieve saved standalone jar artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: standalone-binary
+          path: standalone/docker/
+
+      - name: Remove version number from jar artifact name
+        run: mv standalone/docker/LuckPerms-Standalone-*.jar standalone/docker/luckperms-standalone.jar
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Determine the LuckPerms version
+        run: |
+          echo "luckperms_version=$(git describe --tags | awk -F "-" '{print $1 "." $2}')" >> "$GITHUB_ENV"
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          flavor: |
+            latest=${{ github.ref == 'refs/heads/master' }}
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=tag
+            type=ref,event=pr
+            type=raw,enable=${{ github.ref == 'refs/heads/master' }},value=${{ env.luckperms_version }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: standalone/docker/
+          platforms: linux/amd64,linux/arm64
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.gitignore

@@ -1,3 +1,6 @@
+### LuckPerms Standalone ###
+standalone/loader/data/
+
 ### Gradle & IntelliJ ###
 .gradle/
 /.idea/

CONTRIBUTING.md

@@ -8,7 +8,7 @@ Before reporting a bug or issue, please make sure that the issue is actually bei
 
 If you're unsure, feel free to ask using the above resources BEFORE making a report.
 
-Bugs or issues should be reported using the [GitHub Issues tab](https://github.com/lucko/LuckPerms/issues).
+Bugs or issues should be reported using the [GitHub Issues tab](https://github.com/LuckPerms/LuckPerms/issues).
 
 ### :pencil: Want to contribute code?
 #### Pull Requests
@@ -23,4 +23,4 @@ The project is split up into a few separate modules.
 
 * **API** - The public, semantically versioned API used by other plugins wishing to integrate with and retrieve data from LuckPerms. This module (for the most part) does not contain any implementation itself, and is provided by the plugin.
 * **Common** - The common module contains most of the code which implements the respective LuckPerms plugins. This abstract module reduces duplicated code throughout the project.
-* **Bukkit, BungeeCord, Sponge, Nukkit, Velocity & Fabric** - Each use the common module to implement plugins on the respective server platforms.
+* **Bukkit, BungeeCord, Fabric, Forge, Nukkit, Sponge & Velocity** - Each use the common module to implement plugins on the respective server platforms.

README.md

@@ -24,18 +24,24 @@ For more information, see the wiki article on [Why LuckPerms?](https://luckperms
 LuckPerms uses Gradle to handle dependencies & building.
 
 #### Requirements
-* Java 8 JDK or newer
+* Java 21 JDK or newer
 * Git
 
 #### Compiling from source
 ```sh
-git clone https://github.com/lucko/LuckPerms.git
+git clone https://github.com/LuckPerms/LuckPerms.git
 cd LuckPerms/
 ./gradlew build
 ```
 
 You can find the output jars in the `loader/build/libs` or `build/libs` directories.
 
+## Tests
+There are some automated tests which run during each build.
+
+* Unit tests are defined in [`common/src/test`](https://github.com/LuckPerms/LuckPerms/tree/master/common/src/test)
+* Integration tests are defined in [`standalone/src/test`](https://github.com/LuckPerms/LuckPerms/tree/master/standalone/src/test).
+
 ## Contributing
 #### Pull Requests
 If you make any changes or improvements to the plugin which you think would be beneficial to others, please consider making a pull request to merge your changes back into the upstream project. (especially if your changes are bug fixes!)
@@ -47,7 +53,7 @@ The project is split up into a few separate modules.
 
 * **API** - The public, semantically versioned API used by other plugins wishing to integrate with and retrieve data from LuckPerms. This module (for the most part) does not contain any implementation itself, and is provided by the plugin.
 * **Common** - The common module contains most of the code which implements the respective LuckPerms plugins. This abstract module reduces duplicated code throughout the project.
-* **Bukkit, BungeeCord, Sponge, Fabric, Nukkit & Velocity** - Each use the common module to implement plugins on the respective server platforms.
+* **Bukkit, BungeeCord, Fabric, Forge, Nukkit, Sponge & Velocity** - Each use the common module to implement plugins on the respective server platforms.
 
 ## License
-LuckPerms is licensed under the permissive MIT license. Please see [`LICENSE.txt`](https://github.com/lucko/LuckPerms/blob/master/LICENSE.txt) for more info.
+LuckPerms is licensed under the permissive MIT license. Please see [`LICENSE.txt`](https://github.com/LuckPerms/LuckPerms/blob/master/LICENSE.txt) for more info.