From f99e5741ed7248a869ca78727855fa5cee0ef860 Mon Sep 17 00:00:00 2001
From: Nikola Milosavljevic <73236646+NikolaMilosa@users.noreply.github.com>
Date: Tue, 21 Nov 2023 14:02:42 +0100
Subject: [PATCH] adding release script (#25)

---
 .github/workflows/release.yml | 39 ++++++++++++++-------
 release.py                    | 65 +++++++++++++++++++++++++++++++++++
 2 files changed, 91 insertions(+), 13 deletions(-)
 create mode 100644 release.py

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2527b4b..52a862c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,7 +1,9 @@
 on:
-  push:
-    tags:
-      - "v[0-9]+.[0-9]+.[0-9]+"
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: "Tag of the release - should be in v[0-9]+.[0-9]+.[0.9]+"
+        required: True
       
 jobs:
   create-release:
@@ -11,26 +13,37 @@ jobs:
       - name: Create artifacts directory
         run: mkdir artifacts
 
-      - name: Get the release version from the tag
-        if: env.VERSION == ''
-        run: |
-          echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
-          echo "version is: ${{ env.VERSION }}"
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.x'
 
+      - name: Install dependancies
+        run: |
+          pip install requests
+          pip install GitPython
+      
+      - name: Generate body
+        env:
+          TAG: ${{ github.event.inputs.tag }}
+        run: |
+          python release.py
+      
       - name: Create GitHub release
         id: release
         uses: actions/create-release@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          tag_name: ${{ env.VERSION }}
-          release_name: ${{ env.VERSION }}
+          tag_name: ${{ github.event.inputs.tag }}
+          release_name: ${{ github.event.inputs.tag }}
+          body_path: ./body
 
       - name: Save release upload URL to artifact
         run: echo "${{ steps.release.outputs.upload_url }}" > artifacts/release-upload-url
 
       - name: Save version number to artifact
-        run: echo "${{ env.VERSION }}" > artifacts/release-version
+        run: echo "${{ github.event.inputs.tag }}" > artifacts/release-version
 
       - name: Upload artifacts
         uses: actions/upload-artifact@v1
@@ -115,10 +128,10 @@ jobs:
         run: |
           if [ "${{ matrix.build }}" = "windows" ]; then
             echo "ASSET=target/${{ matrix.target }}/release/ntfs-undelete.exe" >> $GITHUB_ENV
-            echo "ASSET_NAME=ntfs-undelete-${{ env.RELEASE_VERSION }}.exe" >> $GITHUB_ENV
+            echo "ASSET_NAME=ntfs-undelete-${{ github.event.inputs.tag }}.exe" >> $GITHUB_ENV
           else
             echo "ASSET=target/${{ matrix.target }}/release/ntfs-undelete" >> $GITHUB_ENV
-            echo "ASSET_NAME=ntfs-undelete-${{ env.RELEASE_VERSION }}-${{ matrix.target }}" >> $GITHUB_ENV
+            echo "ASSET_NAME=ntfs-undelete-${{ github.event.inputs.tag }}-${{ matrix.target }}" >> $GITHUB_ENV
           fi
       - name: Upload release archive
         uses: actions/upload-release-asset@v1.0.1
diff --git a/release.py b/release.py
new file mode 100644
index 0000000..a6f4dfd
--- /dev/null
+++ b/release.py
@@ -0,0 +1,65 @@
+import git
+import requests
+import os
+
+def get_github_releases(repo_owner='NikolaMilosa', repo_name='ntfs-undelete', github_token=None):
+    # GitHub API endpoint for releases
+    url = f'https://api.github.com/repos/{repo_owner}/{repo_name}/releases'
+
+    headers = {}
+    if github_token:
+        headers['Authorization'] = f'Bearer {github_token}'
+
+    # Make a request to the GitHub API
+    response = requests.get(url, headers=headers)
+
+    # Check if the request was successful (status code 200)
+    if response.status_code == 200:
+        releases = response.json()
+        return releases
+    else:
+        # Print an error message if the request was not successful
+        return None
+
+def get_commits_since_tag(repo_path='.', tag_name=None):
+    repo = git.Repo(repo_path)
+
+    if tag_name:
+        # If tag_name is provided, get the commit associated with the tag
+        try:
+            commit = repo.commit(tag_name)
+        except git.exc.GitCommandError:
+            return None
+    else:
+        # If tag_name is None, get the latest commit
+        commit = repo.head.commit
+
+    # Get all commits from the specified commit until the latest commit
+    commits = list(repo.iter_commits(commit, max_count=repo.git.rev_list('HEAD', count=True), reverse=True))
+
+    return commits
+
+commit_prefix = 'https://github.com/NikolaMilosa/ntfs-undelete/commit/'
+author_prefix = 'https://github.com/'
+
+github_token = os.environ['GITHUB_TOKEN']
+current_tag = os.environ['TAG']
+
+releases = get_github_releases()
+tag_name = None
+if len(releases) != 0:
+    tag_name = sorted(releases, lambda x: x['created_at'])[-1]['tag_name']
+
+release_text = f"""
+# Release {current_tag}
+
+### Changelog:
+"""
+
+commits = get_commits_since_tag(tag_name=tag_name)
+for commit in reversed(commits):
+    username = commit.author.email.split('+')[1].split('@')[0]
+    release_text += f"* [{commit.hexsha[:7]}]({commit_prefix}{commit.hexsha}) [Author: [{username}]({author_prefix}{username})] - {commit.message.splitlines()[0]}\n"
+
+with open('body', 'w') as f:
+    f.write(release_text)