From cc6d75a6db0a316de56cb0abc78206fa1bcef1cd Mon Sep 17 00:00:00 2001
From: tranch <tranch.xiao@gmail.com>
Date: Fri, 11 Sep 2026 16:56:22 +0800
Subject: Patch brh to preserve current image registry

---
 build_files/patch-bazzite-rollback-helper.sh | 43 ++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 build_files/patch-bazzite-rollback-helper.sh

(limited to 'build_files/patch-bazzite-rollback-helper.sh')

diff --git a/build_files/patch-bazzite-rollback-helper.sh b/build_files/patch-bazzite-rollback-helper.sh
new file mode 100644
index 0000000..d5b3f21
--- /dev/null
+++ b/build_files/patch-bazzite-rollback-helper.sh
@@ -0,0 +1,43 @@
+#!/usr/bin/bash
+
+set -euo pipefail
+
+file=/usr/bin/bazzite-rollback-helper
+
+if [[ ! -f "$file" ]]; then
+  echo "Unable to locate Bazzite rollback helper: $file" >&2
+  exit 1
+fi
+
+if grep -Fq 'current_image_prefix()' "$file"; then
+  exit 0
+fi
+
+patched_file=$(mktemp)
+awk '
+  /^signing_scheme\(\) \{/ {
+    print "signing_scheme() {"
+    print "  local current=$(rpm-ostree status -b --json | jq -r '\''.deployments[] | select(.booted == true) | .["container-image-reference"]'\'')"
+    print "  local scheme=\"ostree-unverified-registry\""
+    print "  [[ \"$current\" == *\"ostree-image-signed\"* ]] && scheme=\"ostree-image-signed\""
+    print "  echo \"$scheme:docker://\""
+    print "}"
+    print ""
+    print "current_image_prefix() {"
+    print "  local current"
+    print "  current=$(rpm-ostree status -b --json | jq -r '\''.deployments[] | select(.booted == true) | .["container-image-reference"]'\'')"
+    print "  current=\"${current#ostree-image-signed:}\""
+    print "  current=\"${current#ostree-unverified-registry:}\""
+    print "  current=\"${current#docker://}\""
+    print "  echo \"${current%/*}\""
+    print "}"
+    skip=1
+    next
+  }
+  skip && /^warn_if_de_mismatch\(\) \{/ { skip=0; print; next }
+  skip { next }
+  { gsub("ostree-image-signed:docker://ghcr.io/ublue-os/", "$(signing_scheme)/$(current_image_prefix)/"); print }
+' "$file" > "$patched_file"
+
+install -m 0755 "$patched_file" "$file"
+rm -f "$patched_file"
-- 
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