feat: Added support for Reactos (#1999)

src/power.sh

@@ -54,13 +54,23 @@ boot() {
 
 legacyBootReady() {
 
-  local last
-  local bios="Booting from Hard"
+  local line last recent
+  local hard="Booting from Hard"
+  local cdrom="Booting from DVD/CD"
 
-  last=$(grep "^Booting.*" "$QEMU_PTY" | tail -1)
-  [[ "${last,,}" != "${bios,,}"* ]] && return 1
-  grep -Fq "No bootable device." "$QEMU_PTY" && return 1
-  grep -Fq "BOOTMGR is missing" "$QEMU_PTY" && return 1
+  line=$(grep -n "^Booting.*" "$QEMU_PTY" | tail -1)
+  [ -z "$line" ] && return 1
+
+  last="${line#*:}"
+  recent=$(tail -n +"${line%%:*}" "$QEMU_PTY")
+
+  [[ "${last,,}" != "${hard,,}"* ]] && return 1
+
+  grep -Fq "Loading FreeLoader..." <<< "$recent" && return 0
+  grep -Fq "No bootable device." <<< "$recent" && return 1
+  grep -Fq "BOOTMGR is missing" <<< "$recent" && return 1
+  grep -Fq "Boot failed: not a bootable disk" <<< "$recent" && return 1
+  grep -Fq "Boot failed: could not read the boot disk" <<< "$recent" && return 1
 
   return 0
 }
@@ -75,8 +85,14 @@ ready() {
     return 1
   fi
 
-  local line="\"Windows Boot Manager\""
-  grep -Fq "$line" "$QEMU_PTY" && return 0
+  local last
+  last=$(grep -E \
+    'BdsDxe: starting Boot[[:xdigit:]]{4} ' \
+    "$QEMU_PTY" | tail -1)
+
+  grep -Eq \
+    'BdsDxe: starting Boot[[:xdigit:]]{4} "Windows Boot Manager" from HD\(' \
+    <<< "$last" && return 0
 
   return 1
 }
@@ -150,7 +166,11 @@ abortDuringSetup() {
 
   local code="$1"
 
-  info "Cannot send ACPI signal during $(app) setup, aborting..."
+  if [[ "${DETECTED,,}" != "reactos" ]] || [ -n "${CUSTOM:-}" ]; then
+    info "Cannot send ACPI signal during $(app) setup, aborting..."
+  else
+    info "ReactOS LiveCD does not support ACPI shutdown, terminating..."
+  fi
 
   terminateQemu