Merge branch 'testing'

system_files/deck/shared/usr/libexec/os-branch-select

@@ -1,26 +1,29 @@
 #!/usr/bin/bash
 set -e
 
+source /etc/os-release
+
 if [[ $# -eq 1 ]]; then
   case "$1" in
-    "-c")
+    -c)
       if [[ -f /var/ublue-update/branch ]]; then
         branch=$(cat /var/ublue-update/branch)
       else
-        branch=$(cut -d ":" -f4 <<< "$(rpm-ostree status | grep -m 1 'bazzite')")
+        branch=$(cut -d ":" -f4 <<< "$(rpm-ostree status --booted | grep -m 1 $VARIANT_ID)")
       fi
 
-      branch=${branch,,}
-      case "$branch" in
-        "latest" | "stable")
+      # Trim and convert to lowercase
+      branch=$(echo "$branch" | tr '[:upper:]' '[:lower:]' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
+      case $branch in
+        latest|stable)
           echo rel
           exit 0
           ;;
-        "testing")
+        testing)
           echo rc
           exit 0
           ;;
-        "unstable")
+        unstable)
           echo main
           exit 0
           ;;
@@ -33,23 +36,23 @@ if [[ $# -eq 1 ]]; then
           ;;
       esac
       ;;
-    "-l")
+    -l)
       echo rel
       echo rc
       echo beta
       echo bc
       echo main
       exit 0
       ;;
-    "rel" | "latest" | "stable")
+    rel|latest|stable)
       /usr/bin/pkexec /usr/libexec/ublue-update-rebase "stable"
       exit 0
       ;;
-    "rc" | "beta" | "testing")
+    rc|beta|testing)
       /usr/bin/pkexec /usr/libexec/ublue-update-rebase "testing"
       exit 0
       ;;
-    "bc" | "main" | "unstable")
+    bc|main|unstable)
       echo "The unstable branch has a high risk of breaking."
       echo "Do NOT use it unless you know what you are doing."
       /usr/bin/pkexec /usr/libexec/ublue-update-rebase "unstable"