My code

.templates/ha_entrypoint.sh

@@ -1,8 +1,5 @@
 #!/command/with-contenv bashio
 # shellcheck shell=bash
-# shellcheck disable=SC1090
-
-set -Eeuo pipefail
 
 echo "Starting..."
 
@@ -10,74 +7,57 @@ echo "Starting..."
 # Starting scripts #
 ####################
 
-PID1=false
-if [ "$$" -eq 1 ]; then
-    PID1=true
-fi
-
 run_script() {
-    local runfile="$1"
-    local script_kind="$2"
-
+    runfile="$1"
+    script_kind="$2"
     echo "$runfile: executing"
-
-    # FIX: Correct current shebang parsing
-    local currentshebang
-    currentshebang="$(sed -n '1{s/^#![[:blank:]]*//p;q}' "$runfile")"
-
-    # IMPROVED: Fix shebang if interpreter missing
-    if [ ! -f "${currentshebang%% *}" ]; then
-        local shebanglist="/usr/bin/bashio /usr/bin/bash /usr/bin/sh /bin/bash /bin/sh"
-        if ! "$PID1"; then
-            shebanglist="/usr/bin/with-contenv bashio /command/with-contenv bashio $shebanglist"
-        fi
-        for shebang in $shebanglist; do
-            local command_path="${shebang%% *}"
-            if [ -x "$command_path" ] && "$command_path" echo "yes" > /dev/null 2>&1; then
-                echo "Valid shebang: $shebang"
-                sed -i "1s|.*|#!$shebang|" "$runfile"
-                break
-            fi
-        done
-    fi
-
     # Check if run as root
     if [ "$(id -u)" -eq 0 ]; then
         chown "$(id -u)":"$(id -g)" "$runfile"
         chmod a+x "$runfile"
     else
-        if [ -t 1 ]; then
-            echo -e "\e[38;5;214m$(date) WARNING: Script executed as UID $(id -u), chown/chmod may fail\e[0m"
-        else
-            echo "$(date) WARNING: Script executed as UID $(id -u), chown/chmod may fail"
-        fi
-        # Disable chown/chmod in script
+        echo -e "\e[38;5;214m$(date) WARNING: Script executed with user $(id -u):$(id -g), things can break and chown won't work\e[0m"
+        # Disable chown and chmod in scripts
         sed -i -E 's/^([[:space:]]*)chown /\1true # chown /' "$runfile"
         sed -i -E 's/^([[:space:]]*)chmod /\1true # chmod /' "$runfile"
     fi
 
-    # Replace s6-setuidgid with su fallback if s6-setuidgid is missing
-    if ! command -v s6-setuidgid > /dev/null 2>&1; then
+    # Replace s6-setuidgid with su-based equivalent
+    if ! command -v s6-setuidgid >/dev/null 2>&1; then
         sed -i -E 's|s6-setuidgid[[:space:]]+([a-zA-Z0-9._-]+)[[:space:]]+(.*)$|su -s /bin/bash \1 -c "\2"|g' "$runfile"
     fi
 
-    # Execute script
+    # Get current shebang, if not available use another
+    currentshebang="$(sed -n '1{s/^#![[:blank:]]*//p;q}' "$SCRIPTS")"
+    if [ ! -f "${currentshebang%% *}" ]; then
+        for shebang in "/usr/bin/env bashio" "/usr/bin/with-contenv bashio" "/command/with-contenv bashio" "/usr/bin/bashio" "/usr/bin/bash" "/usr/bin/sh" "/bin/bash" "/bin/sh"; do
+            command_path="${shebang%% *}"
+            if [ -x "$command_path" ] && "$command_path" echo "yes" > /dev/null 2>&1; then
+                echo "Valid shebang: $shebang"
+                break
+            fi
+        done
+        sed -i "s|$currentshebang|$shebang|g" "$SCRIPTS"
+    fi
+
+    # Use source to share env variables when requested
     if [[ "$script_kind" == service ]]; then
-        "$runfile" &
+        (exec "$runfile") & true
     else
         if [ "${ha_entry_source:-null}" = true ]; then
             sed -Ei 's/(^|[[:space:]])exit ([0-9]+)/\1return \2 || exit \2/g' "$runfile"
             sed -i "s/bashio::exit.nok/return 1/g" "$runfile"
             sed -i "s/bashio::exit.ok/return 0/g" "$runfile"
+            # shellcheck disable=SC1090
             source "$runfile" || echo -e "\033[0;31mError\033[0m : $runfile exiting $?"
         else
             "$runfile" || echo -e "\033[0;31mError\033[0m : $runfile exiting $?"
         fi
     fi
 
-    # Cleanup only temporary scripts
-    if [[ "$script_kind" != service && "$runfile" == /tmp/* ]]; then
-        rm -f "$runfile"
+    # Cleanup
+    if [[ "$script_kind" != service ]]; then
+        rm "$runfile"
     fi
 }
 
@@ -88,35 +68,34 @@ for SCRIPTS in /etc/cont-init.d/*; do
 done
 
 # Start services.d
-if [ -d /etc/services.d ]; then
-    if "$PID1"; then
-        for service_dir in /etc/services.d/*; do
-            SCRIPTS="${service_dir}/run"
-            [ -e "$SCRIPTS" ] || continue
-            run_script "$SCRIPTS" service
-        done
-    else
-        echo "Not PID 1 — skipping service startup"
-    fi
+if [ "$$" -eq 1 ]; then
+    for service_dir in /etc/services.d/*; do
+        SCRIPTS="${service_dir}/run"
+        [ -e "$SCRIPTS" ] || continue
+        run_script "$SCRIPTS" service
+    done
+else
+    echo "Not PID 1 — skipping service startup"
 fi
 
 ######################
 # Starting container #
 ######################
 
-if "$PID1"; then
-    echo
+# If PID 1, keep alive and manage sigterm
+if [ "$$" -eq 1 ]; then
+    echo " "
     echo -e "\033[0;32mEverything started!\033[0m"
-
     terminate() {
         echo "Termination signal received, forwarding to subprocesses..."
-
+        # Terminate all subprocesses
         if command -v pgrep &> /dev/null; then
-            for pid in $(pgrep -P "$$"); do
+            for pid in $(pgrep -P $$); do
                 echo "Terminating child PID $pid"
                 kill -TERM "$pid" 2> /dev/null || echo "Failed to terminate PID $pid"
             done
         else
+            # Fallback to iterating through /proc if pgrep is not available
             for pid in /proc/[0-9]*/; do
                 pid=${pid#/proc/}
                 pid=${pid%/}
@@ -126,19 +105,20 @@ if "$PID1"; then
                 fi
             done
         fi
-
+        kill -TERM -$$ 2>/dev/null || true
         sleep 5
-        kill -KILL -$$ 2> /dev/null || true
+        kill -KILL -$$ 2>/dev/null || true
+    
         wait
         echo "All subprocesses terminated. Exiting."
         exit 0
     }
-
     trap terminate SIGTERM SIGINT
     wait -n
 else
-    echo
+    echo " "
     echo -e "\033[0;32mStarting the upstream container\033[0m"
-    echo
+    echo " "
+    # Launch lsio mods
     if [ -f /docker-mods ]; then exec /docker-mods; fi
 fi