Merge pull request #58 from ublue-os/main

[pull] main from ublue-os:main

Author: pull[bot]

.github/workflows/build_iso.yml

@@ -4,6 +4,9 @@ on:
   workflow_dispatch:
   workflow_call:
 
+env:
+  IMAGE_REGISTRY: ghcr.io/${{ github.repository_owner }}
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref || github.run_id }}-iso
   cancel-in-progress: true
@@ -73,12 +76,19 @@ jobs:
 
           echo "flatpak-dir-shortname=${FLATPAK_DIR_SHORTNAME}" >> $GITHUB_OUTPUT
 
+      # Docker requires lowercase registry references
+      - name: Lowercase Registry
+        id: registry_case
+        uses: ASzc/change-string-case-action@v6
+        with:
+          string: ${{ env.IMAGE_REGISTRY }}
+
       - name: Determine Flatpak Dependencies
         id: flatpak_dependencies
         shell: bash
         run: |
           set -ex
-          image="ghcr.io/ublue-os/${{ matrix.image_name }}:${{ steps.generate-tag.outputs.tag }}"
+          image="${{ steps.registry_case.outputs.lowercase }}/${{ matrix.image_name }}:${{ steps.generate-tag.outputs.tag }}"
           # Make temp space
           TEMP_FLATPAK_INSTALL_DIR=$(mktemp -d -p ${{ github.workspace }} flatpak.XXX)
           # Get list of refs from directory
@@ -116,11 +126,11 @@ jobs:
         with:
           arch: x86_64
           image_name: ${{ matrix.image_name }}
-          image_repo: ghcr.io/ublue-os
+          image_repo: ${{ steps.registry_case.outputs.lowercase }}
           variant: 'Kinoite'
           version: ${{ matrix.major_version }}
           image_tag: ${{ steps.generate-tag.outputs.tag }}
-          secure_boot_key_url: 'https://github.com/ublue-os/bazzite/raw/main/secure_boot.der'
+          secure_boot_key_url: '${{ github.server_url }}/${{ github.repository }}/raw/main/secure_boot.der'
           enrollment_password: 'universalblue'
           iso_name: ${{ matrix.image_name }}-${{ steps.generate-tag.outputs.tag }}.iso
           enable_cache_dnf: "false"