add gh workflow

Signed-off-by: Omansh Krishn <[email protected]>

.github/workflows/build.yml

@@ -0,0 +1,48 @@
+name: Build Package
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+    PAT: ${{secrets.PAT}}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: archlinux:latest
+
+    steps:
+      - name: Update system and install dependencies
+        run: |
+          pacman-key --init
+          pacman-key --populate archlinux
+          pacman -Syu --noconfirm --quiet
+          pacman -S base-devel git sudo github-cli --noconfirm --quiet
+
+      - name: Build package
+        run: |
+          useradd -m builder
+          echo "builder ALL=(ALL) NOPASSWD: ALL" | tee -a /etc/sudoers
+          su builder -c "git clone https://github.com/omansh-krishn/build-materialgram.git /home/builder/build && cd /home/builder/build && makepkg --syncdeps --noconfirm --needed"
+
+      - name: Set filename as variable
+        id: set-filename
+        run: echo "::set-output name=filename::$(basename /home/builder/build/*.zst)"
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ steps.set-filename.outputs.filename }}
+          path: /home/builder/build/*.zst
+
+      - name: UPLOAD TO GITHUB RELEASES
+        run: |
+          echo $PAT | gh auth login --with-token
+          export VERSION=$(cat /home/builder/build/PKGBUILD | grep 'pkgver=' | cut -d'=' -f2)
+          export FILE_NAME=${{ steps.set-filename.outputs.filename }}
+          gh release create ${VERSION}-materialgram /home/builder/build/${FILE_NAME} --repo materialgram/materialgram-bin
+
+