Add ISO variant for external SSD installation

.github/workflows/.ymllint

@@ -0,0 +1,3 @@
+rules:
+
+ line-length: disable

.github/workflows/CI.yml

@@ -5,13 +5,55 @@ on:
   [push]
 
 jobs:
-  build:
+  Kernel:
     runs-on: ubuntu-22.04
     steps:
+      - name: Free up disk space for the CI
+        uses: AdityaGarg8/remove-unwanted-software@v1
+        with:
+          remove-android: 'true'
+          remove-dotnet: 'true'
+          remove-haskell: 'false'
+
       - uses: actions/checkout@v2
 
+      - name: Build kernel with internal SSD removed
+        run: |
+          VERSION=$(grep ^KERNEL_VERSION build.sh | head -n1| cut -d = -f2)
+          REL=$(grep "PKGREL=\d*" build.sh | cut -d = -f2)
+          echo "::set-output name=tag::${VERSION}-${REL}"
+          sudo apt install git
+          mkdir /tmp/artifacts
+          git clone https://github.com/t2linux/T2-Ubuntu-Kernel.git
+          sed -i "s/LOCALVERSION=-t2/LOCALVERSION=-t2-external/g" ${{ github.workspace }}/T2-Ubuntu-Kernel/build.sh
+          cd ${{ github.workspace }}/T2-Ubuntu-Kernel/patches
+          wget https://github.com/AdityaGarg8/T2-Ubuntu/raw/ssd/ssd.patch
+          cd ${{ github.workspace }}/T2-Ubuntu-Kernel
+          sudo ./build.sh
+          sudo rm -r /root/work
+          sudo rm /tmp/artifacts/*dbg*
+          sudo rm /tmp/artifacts/*libc-dev*
+      - name: Release
+        if: github.ref == 'refs/heads/jammy'
+        uses: softprops/action-gh-release@v1
+        with:
+          files: |
+            /tmp/artifacts/*.deb
+          tag_name: v${{ steps.build.outputs.tag }}-kernel
+          draft: false
+          prerelease: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+       
+  ISO:
+    needs: [Kernel]
+    runs-on: ubuntu-22.04
+    steps:
       - name: Build
-        run: sudo ./build.sh
+        run: |
+          cd ${{ github.workspace }}
+          sudo rm -r ${{ github.workspace }}/T2-Ubuntu-Kernel
+          sudo ./build.sh
 
       - name: print sha256sum
         run: cat output/sha256
@@ -20,8 +62,9 @@ jobs:
         id: tag
         run: |
           VER=$(egrep ^KERNEL_VERSION build.sh|cut -d= -f2)
+          REL=$(grep "PKGREL=\d*" build.sh | cut -d = -f2)
           echo Version is $VER
-          echo "::set-output name=tag::${VER}"
+          echo "::set-output name=tag::${VER}-${REL}"
 
       - name: Upload iso artifact
         uses: actions/upload-artifact@v2
@@ -50,3 +93,12 @@ jobs:
           prerelease: false
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Delete kernel from releases
+        if: github.ref == 'refs/heads/jammy'
+        uses: dev-drprasad/delete-tag-and-release@v0.2.0
+        with:
+          delete_release: true
+          tag_name: v${{ steps.build.outputs.tag }}-kernel
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/instructions.txt

@@ -3,3 +3,5 @@ If you are facing blank screen after installation, try [booting using refind](ht
 Follow [this guide](https://wiki.t2linux.org/guides/wifi-bluetooth/) for Wi-Fi and Bluetooth to work.
 
 Users of **MacBookPro16,4** are recommended to use the safe graphics ISO as the kernel doesn't have the driver for their AMD Graphics Card. Rest users can use the normal ISO.
+
+The **t2-external** ISO has the internal SSD support removed in the kernel. This can be useful if you wish to install in an external SSD. After installation, you can update your kernel by running `update_t2_kernel` to a **t2** kernel which shall bring back external SSD support.

build.sh

@@ -36,7 +36,7 @@ apt-get install -y -qq -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="
   syslinux
 
 echo >&2 "===]> Info: Start loop... "
-for ALTERNATIVE in t2
+for ALTERNATIVE in t2 t2-external
 do
   echo >&2 "===]> Info: Start building ${ALTERNATIVE}... "
 

files/chroot_build.sh

@@ -67,10 +67,14 @@ apt-get install -y -qq -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="
   grub2 \
   nautilus-admin
 
-# This is not ideal, but it should work until the apt repo gets updated.
-
+if [[ ${ALTERNATIVE} = t2-external ]]
+then
+curl -L https://github.com/t2linux/T2-Ubuntu/releases/download/vKVER-PREL-kernel/linux-headers-KVER-${ALTERNATIVE}_KVER-PREL_amd64.deb > /tmp/headers.deb
+curl -L https://github.com/t2linux/T2-Ubuntu/releases/download/vKVER-PREL-kernel/linux-image-KVER-${ALTERNATIVE}_KVER-PREL_amd64.deb > /tmp/image.deb
+else
 curl -L https://github.com/t2linux/T2-Ubuntu-Kernel/releases/download/vKVER-PREL/linux-headers-KVER-${ALTERNATIVE}_KVER-PREL_amd64.deb > /tmp/headers.deb
 curl -L https://github.com/t2linux/T2-Ubuntu-Kernel/releases/download/vKVER-PREL/linux-image-KVER-${ALTERNATIVE}_KVER-PREL_amd64.deb > /tmp/image.deb
+fi
 file /tmp/*
 apt install /tmp/headers.deb /tmp/image.deb