🧑‍💻 Add basic release workflow

.github/workflows/release.yml

@@ -0,0 +1,59 @@
+name: Copy release to the mirror
+
+on:
+  release:
+    types: [edited]
+  workflow_dispatch:
+    inputs:
+      release-tag:
+        description: 'Release tag'
+        required: true
+        default: 'latest'
+
+concurrency: 
+  group: "mirror"
+  cancel-in-progress: true
+
+env:
+  download_dir: download
+
+jobs:
+    release:
+        runs-on: ubuntu-latest
+        name: Copy release to the mirror
+        environment:
+            name: stable-mirror
+            url: https://release.manjaro.download
+        steps:
+            - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+            - name: download & extract release assets
+              env:
+                GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+              run: |
+                gh release view ${{ inputs.release-tag || github.event.release.tag_name }} --json assets --jq '[[.assets[]][] | select(.name | contains("-unstable-") | not) | select(.name | contains("-testing-") | not)] | sort_by(.name)' >docs/assets.json
+                
+                mkdir -p $download_dir
+                for url in $(cat docs/assets.json | jq -r '.[].url'); do
+                    wget -q -P $download_dir $url
+                    echo downloaded $url
+                    if [[ $url == *".iso.zip"* ]]; then
+
+                        # unzip files
+                        for file in $download_dir/*.iso.zip; do 
+                            zip -FF $file --out manjaro-full.zip && unzip manjaro-full.zip -d $download_dir/
+                            echo unzipped $file
+                        done
+                        ## remove unzipped files
+                        rm -f $download_dir/*.zip || echo ok
+                        rm -f $download_dir/*.z01 || echo ok
+                    fi
+                done
+                
+                du -h $download_dir
+                ls $download_dir
+            - name: create release filelist
+              id: files
+              run: |
+                (cd $download_dir && ls -l *iso*) | \
+                    jq --compact-output -s -R 'split("\n") | [.[] | select(length > 0) | split(" ") | [.[] | select(. == "" | not)] | { size: .[4] | tonumber, name: .[-1], url: "https://r2.manjaro.download/\(.[-1])" }]' \
+                    > $download_dir/release.json