.github/workflows/gen-images: add aarch64* live isos, matrixify jobs

also simplify environment prep and fix qemu dependencies

the matrix should ensure we never run out of space while building

unfortunately, github limits us to 10 inputs so we can't add a selector
for live iso platforms

.github/workflows/gen-images.yml

@@ -14,7 +14,7 @@ on:
         type: boolean
       live_archs:
         description: "Archs to build live ISOs for"
-        default: "x86_64 x86_64-musl i686"
+        default: "x86_64 x86_64-musl i686 aarch64 aarch64-musl"
         required: false
         type: string
       live_flavors:
@@ -69,6 +69,11 @@ jobs:
       datecode: ${{ steps.prep.outputs.datecode }}
       revision: ${{ steps.prep.outputs.revision }}
       mirror: ${{ steps.prep.outputs.mirror }}
+      live_archs: ${{ steps.prep.outputs.live_archs }}
+      live_flavors: ${{ steps.prep.outputs.live_flavors }}
+      rootfs: ${{ steps.prep.outputs.rootfs }}
+      platformfs: ${{ steps.prep.outputs.platformfs }}
+      sbc_imgs: ${{ steps.prep.outputs.sbc_imgs }}
 
     steps:
       - name: Prepare Environment
@@ -82,12 +87,28 @@ jobs:
           echo "revision=${GITHUB_SHA:0:8}" >> $GITHUB_OUTPUT
           echo "mirror=https://repo-ci.voidlinux.org/current" >> $GITHUB_OUTPUT
 
+          jsonify() {
+            sed 's/\s\+/ /g' | jq -Rrc 'split(" ")'
+          }
+
+          echo "live_archs=$(echo "${{ inputs.live_archs }}" | jsonify)" >> $GITHUB_OUTPUT
+          echo "live_flavors=$(echo "${{ inputs.live_flavors }}" | jsonify)" >> $GITHUB_OUTPUT
+
+          echo "rootfs=$(echo "${{ inputs.rootfs }}" | jsonify)" >> $GITHUB_OUTPUT
+          echo "platformfs=$(echo "${{ inputs.platformfs }}" | jsonify)" >> $GITHUB_OUTPUT
+          echo "sbc_imgs=$(echo "${{ inputs.sbc_imgs }}" | jsonify)" >> $GITHUB_OUTPUT
+
   build-live-isos:
     name: Build Live ISOs
     runs-on: ubuntu-latest
     needs: prepare
     if: ${{ inputs.live_iso_flag }}
 
+    strategy:
+      matrix:
+        arch: ${{ fromJson(needs.prepare.outputs.live_archs) }}
+        flavor: ${{ fromJson(needs.prepare.outputs.live_flavors) }}
+
     container:
       image: 'ghcr.io/void-linux/void-glibc-full:20231230R1'
       options: --privileged
@@ -105,12 +126,8 @@ jobs:
           mkdir -p /etc/xbps.d && cp /usr/share/xbps.d/*-repository-*.conf /etc/xbps.d/
           sed -i 's|https://repo-default.voidlinux.org/current|'"${{ needs.prepare.outputs.mirror }}"'|g' \
             /etc/xbps.d/*-repository-*.conf
-          # Sync and upgrade once, assume error comes from xbps update
-          xbps-install -Syu || xbps-install -yu xbps
-          # Upgrade again (in case there was a xbps update)
-          xbps-install -yu
-          # Install depedencies
-          xbps-install -yu bash make git kmod xz lzo qemu-user-static outils dosfstools e2fsprogs
+          xbps-install -Syu xbps && xbps-install -yu
+          xbps-install -yu bash make git kmod xz lzo qemu-user-aarch64 binfmt-support outils dosfstools e2fsprogs
       - name: Clone and checkout
         uses: classabbyamp/treeless-checkout-action@v1
 
@@ -119,7 +136,7 @@ jobs:
           make live-iso-all-print live-iso-all \
             SUDO= REPOSITORY="${{ needs.prepare.outputs.mirror }}" \
             DATECODE="${{ needs.prepare.outputs.datecode }}" \
-            LIVE_ARCHS="${{ inputs.live_archs }}" LIVE_FLAVORS="${{ inputs.live_flavors }}"
+            LIVE_ARCHS="${{ matrix.arch }}" LIVE_FLAVORS="${{ matrix.flavor }}"
 
       - name: Prepare artifacts for upload
         run: |
@@ -127,7 +144,7 @@ jobs:
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: void-iso-${{ needs.prepare.outputs.datecode }}
+          name: void-iso-${{ matrix.arch }}-${{ matrix.flavor }}-${{ needs.prepare.outputs.datecode }}
           path: |
             distdir-${{ needs.prepare.outputs.datecode }}/*
           if-no-files-found: error
@@ -138,6 +155,10 @@ jobs:
     needs: prepare
     if: ${{ inputs.rootfs_flag }}
 
+    strategy:
+      matrix:
+        arch: ${{ fromJson(needs.prepare.outputs.rootfs) }}
+
     container:
       image: 'ghcr.io/void-linux/void-glibc-full:20231230R1'
       options: --privileged
@@ -155,12 +176,8 @@ jobs:
           mkdir -p /etc/xbps.d && cp /usr/share/xbps.d/*-repository-*.conf /etc/xbps.d/
           sed -i 's|https://repo-default.voidlinux.org/current|'"${{ needs.prepare.outputs.mirror }}"'|g' \
             /etc/xbps.d/*-repository-*.conf
-          # Sync and upgrade once, assume error comes from xbps update
-          xbps-install -Syu || xbps-install -yu xbps
-          # Upgrade again (in case there was a xbps update)
-          xbps-install -yu
-          # Install depedencies
-          xbps-install -yu bash make git kmod xz lzo qemu-user-static outils dosfstools e2fsprogs
+          xbps-install -Syu xbps && xbps-install -yu
+          xbps-install -yu bash make git kmod xz lzo qemu-user-arm qemu-user-aarch64 binfmt-support outils dosfstools e2fsprogs
       - name: Clone and checkout
         uses: classabbyamp/treeless-checkout-action@v1
 
@@ -169,7 +186,7 @@ jobs:
           make rootfs-all-print rootfs-all \
             SUDO= REPOSITORY="${{ needs.prepare.outputs.mirror }}" \
             DATECODE="${{ needs.prepare.outputs.datecode }}" \
-            ARCHS="${{ inputs.rootfs }}"
+            ARCHS="${{ matrix.arch }}"
 
       - name: Prepare artifacts for upload
         run: |
@@ -177,7 +194,7 @@ jobs:
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: void-rootfs-${{ needs.prepare.outputs.datecode }}
+          name: void-rootfs-${{ matrix.arch }}-${{ needs.prepare.outputs.datecode }}
           path: |
             distdir-${{ needs.prepare.outputs.datecode }}/*
           if-no-files-found: error
@@ -188,6 +205,10 @@ jobs:
     needs: prepare
     if: ${{ inputs.platformfs_flag }}
 
+    strategy:
+      matrix:
+        platform: ${{ fromJson(needs.prepare.outputs.platformfs) }}
+
     container:
       image: 'ghcr.io/void-linux/void-glibc-full:20231230R1'
       options: --privileged
@@ -205,12 +226,8 @@ jobs:
           mkdir -p /etc/xbps.d && cp /usr/share/xbps.d/*-repository-*.conf /etc/xbps.d/
           sed -i 's|https://repo-default.voidlinux.org/current|'"${{ needs.prepare.outputs.mirror }}"'|g' \
             /etc/xbps.d/*-repository-*.conf
-          # Sync and upgrade once, assume error comes from xbps update
-          xbps-install -Syu || xbps-install -yu xbps
-          # Upgrade again (in case there was a xbps update)
-          xbps-install -yu
-          # Install depedencies
-          xbps-install -yu bash make git kmod xz lzo qemu-user-static outils dosfstools e2fsprogs
+          xbps-install -Syu xbps && xbps-install -yu
+          xbps-install -yu bash make git kmod xz lzo qemu-user-arm qemu-user-aarch64 binfmt-support outils dosfstools e2fsprogs
       - name: Clone and checkout
         uses: classabbyamp/treeless-checkout-action@v1
 
@@ -219,7 +236,7 @@ jobs:
           make platformfs-all-print platformfs-all \
             SUDO= REPOSITORY="${{ needs.prepare.outputs.mirror }}" \
             DATECODE="${{ needs.prepare.outputs.datecode }}" \
-            PLATFORMS="${{ inputs.platformfs }}"
+            PLATFORMS="${{ matrix.platform }}"
 
       - name: Prepare artifacts for upload
         run: |
@@ -227,7 +244,7 @@ jobs:
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: void-platformfs-${{ needs.prepare.outputs.datecode }}
+          name: void-platformfs-${{ matrix.platform }}-${{ needs.prepare.outputs.datecode }}
           path: |
             distdir-${{ needs.prepare.outputs.datecode }}/*
             !distdir-${{ needs.prepare.outputs.datecode }}/*ROOTFS*
@@ -239,6 +256,10 @@ jobs:
     needs: prepare
     if: ${{ inputs.sbc_img_flag }}
 
+    strategy:
+      matrix:
+        platform: ${{ fromJson(needs.prepare.outputs.sbc_imgs) }}
+
     container:
       image: 'ghcr.io/void-linux/void-glibc-full:20231230R1'
       options: --privileged
@@ -256,12 +277,8 @@ jobs:
           mkdir -p /etc/xbps.d && cp /usr/share/xbps.d/*-repository-*.conf /etc/xbps.d/
           sed -i 's|https://repo-default.voidlinux.org/current|'"${{ needs.prepare.outputs.mirror }}"'|g' \
             /etc/xbps.d/*-repository-*.conf
-          # Sync and upgrade once, assume error comes from xbps update
-          xbps-install -Syu || xbps-install -yu xbps
-          # Upgrade again (in case there was a xbps update)
-          xbps-install -yu
-          # Install depedencies
-          xbps-install -yu bash make git kmod xz lzo qemu-user-static outils dosfstools e2fsprogs
+          xbps-install -Syu xbps && xbps-install -yu
+          xbps-install -yu bash make git kmod xz lzo qemu-user-arm qemu-user-aarch64 binfmt-support outils dosfstools e2fsprogs
       - name: Clone and checkout
         uses: classabbyamp/treeless-checkout-action@v1
 
@@ -270,7 +287,7 @@ jobs:
           make images-all-sbc-print images-all-sbc \
             SUDO= REPOSITORY="${{ needs.prepare.outputs.mirror }}" \
             DATECODE="${{ needs.prepare.outputs.datecode }}" \
-            SBC_IMGS="${{ inputs.sbc_imgs }}"
+            SBC_IMGS="${{ matrix.platform }}"
 
       - name: Prepare artifacts for upload
         run: |
@@ -278,7 +295,7 @@ jobs:
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: void-sbc-img-${{ needs.prepare.outputs.datecode }}
+          name: void-sbc-img-${{ matrix.platform }}-${{ needs.prepare.outputs.datecode }}
           path: |
             distdir-${{ needs.prepare.outputs.datecode }}/*
             !distdir-${{ needs.prepare.outputs.datecode }}/*ROOTFS*