From 3a507f5bf6a3d0d1b467c93fcbf5d4b5b031c1b8 Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Sat, 13 Jan 2024 18:16:17 +0100
Subject: [PATCH] fix: Display QEMU output (#558)

---
 src/disk.sh  |  4 ++--
 src/entry.sh |  9 +++++----
 src/power.sh | 26 +++++++++++++++++---------
 src/reset.sh |  5 +----
 4 files changed, 25 insertions(+), 19 deletions(-)

diff --git a/src/disk.sh b/src/disk.sh
index 0c40089f..04939639 100644
--- a/src/disk.sh
+++ b/src/disk.sh
@@ -83,7 +83,7 @@ isCow() {
   if [[ "${FS,,}" == "xfs" || "${FS,,}" == "zfs" || "${FS,,}" == "btrfs" || "${FS,,}" == "bcachefs" ]]; then
     return 0
   fi
-       
+
   return 1
 }
 
@@ -126,7 +126,7 @@ createDisk() {
       fi
 
       if [[ "$ALLOCATE" == [Nn]* ]]; then
-    
+
         # Create an empty file
         if ! truncate -s "$DATA_SIZE" "$DISK_FILE"; then
           rm -f "$DISK_FILE"
diff --git a/src/entry.sh b/src/entry.sh
index a95d82a6..015c00ac 100755
--- a/src/entry.sh
+++ b/src/entry.sh
@@ -22,11 +22,12 @@ if [[ "$CONSOLE" == [Yy]* ]]; then
   exec qemu-system-x86_64 ${ARGS:+ $ARGS}
 fi
 
-[[ "$DEBUG" == [Yy1]* ]] && info "$VERS" && set -x
-msg=$(qemu-system-x86_64 ${ARGS:+ $ARGS})
+[[ "$DEBUG" == [Yy1]* ]] && info "$VERS" && echo "Arguments: $ARGS" && echo
+{ qemu-system-x86_64 ${ARGS:+ $ARGS} >"$QEMU_OUT" 2>"$QEMU_LOG"; rc=$?; } || :
+(( rc != 0 )) && error "$(cat "$QEMU_LOG")" && exit 15
 
-{ set +x; } 2>/dev/null && terminal "$msg"
+terminal
 tail -fn +0 "$QEMU_LOG" 2>/dev/null &
-cat "$QEMU_TERM" 2>/dev/null & wait $! || true
+cat "$QEMU_TERM" 2>/dev/null & wait $! || :
 
 sleep 1 && finish 0
diff --git a/src/power.sh b/src/power.sh
index 09def3bc..0b627758 100644
--- a/src/power.sh
+++ b/src/power.sh
@@ -12,6 +12,7 @@ QEMU_PORT=7100
 QEMU_TIMEOUT=50
 QEMU_PID="/run/qemu.pid"
 QEMU_LOG="/run/qemu.log"
+QEMU_OUT="/run/qemu.out"
 QEMU_END="/run/qemu.end"
 
 if [[ "$KVM" == [Nn]* ]]; then
@@ -19,9 +20,6 @@ if [[ "$KVM" == [Nn]* ]]; then
   QEMU_TIMEOUT=$(( QEMU_TIMEOUT*2 ))
 fi
 
-rm -f "$QEMU_PID"
-rm -f "$QEMU_LOG"
-rm -f "$QEMU_END"
 touch "$QEMU_LOG"
 
 _trap() {
@@ -62,14 +60,24 @@ finish() {
 
 terminal() {
 
-  local msg=$1
+  local dev=""
 
-  if [[ "${msg,,}" != "char"* ||  "$msg" != *"serial0)" ]]; then
-    echo "$msg"
-  fi
+  if [ -f "$QEMU_OUT" ]; then
+
+    local msg
+    msg="$(cat "$QEMU_OUT")"
+
+    if [ -n "$msg" ]; then
 
-  local dev="${msg#*/dev/p}"
-  dev="/dev/p${dev%% *}"
+      if [[ "${msg,,}" != "char"* ||  "$msg" != *"serial0)" ]]; then
+        echo "$msg"
+      fi
+
+      dev="${msg#*/dev/p}"
+      dev="/dev/p${dev%% *}"
+
+    fi
+  fi
 
   if [ ! -c "$dev" ]; then
     dev=$(echo 'info chardev' | nc -q 1 -w 1 localhost "$QEMU_PORT" | tr -d '\000')
diff --git a/src/reset.sh b/src/reset.sh
index 6aadbea9..200b9b73 100644
--- a/src/reset.sh
+++ b/src/reset.sh
@@ -36,10 +36,7 @@ STORAGE="/storage"
 # Cleanup files
 
 rm -f /run/dsm.url
-rm -f /run/qemu.ip
-rm -f /run/qemu.log
-rm -f /run/qemu.pid
-rm -f /run/qemu.end
+rm -f /run/qemu.*
 
 # Cleanup dirs