diff --git a/Scripts/Common/Functions.sh b/Scripts/Common/Functions.sh
index b9cd35ffe..0f7c05881 100644
--- a/Scripts/Common/Functions.sh
+++ b/Scripts/Common/Functions.sh
@@ -16,6 +16,30 @@
 #along with this program.  If not, see <https://www.gnu.org/licenses/>.
 umask 0022;
 
+_fetchError(){
+    local last_status="$1";
+    local error_line_number="$2";
+    local last_func="$3";
+    local file=$(echo "$4" | sed "s#$DOS_WORKSPACE_ROOT#\$DOS_WORKSPACE_ROOT#g");
+
+    # ignore when pressing TAB or sim.
+    if [[ "$file" =~ .*bash_completion ]];then return; fi
+    case $last_func in
+	command_not_found_handle|_filedir) return;;
+    esac
+
+    if [ ! -z "$last_func" ] && [ ! -z "$file" ];then
+	echo -e "\e[0;31mERROR: $file -> ${last_func}() ended with status >${last_status}< at line >$((error_line_number -1))<\e[0m";
+    elif [ ! -z "$last_func" ];then
+	echo -e "\e[0;31mERROR: ${last_func}() ended with status >${last_status}< at line >$((error_line_number -1))<\e[0m";
+    else
+	echo -e "\e[0;31mERROR: last command ended with status >${last_status}< at line >$((error_line_number -1))<\e[0m";
+    fi
+    export TR_ERR=$last_status
+    _exit_report
+}
+export -f _fetchError;
+
 startPatcher() {
 	java -jar "$DOS_BINARY_PATCHER" patch workspace "$DOS_BUILD_BASE" "$DOS_WORKSPACE_ROOT""Patches/Linux/" "$DOS_SCRIPTS_CVES" $1;
 }
@@ -61,7 +85,7 @@ enterAndClear() {
 export -f enterAndClear;
 
 gitReset() {
-	git add -A && git reset --hard;
+	(git add -A && git reset --hard) || true;
 }
 export -f gitReset;
 
@@ -75,16 +99,22 @@ applyPatchReal() {
 					git format-patch -1 HEAD --zero-commit --no-signature --output="$currentWorkingPatch";
 				fi;
 			fi;
+		else
+		    echo "Applying (git am): $currentWorkingPatch - FAILED"
+		    git am --abort || true
+		    echo "Applying (patch fallback): $currentWorkingPatch"
+		    patch -r - --no-backup-if-mismatch --forward --ignore-whitespace --verbose -p1 < $currentWorkingPatch
 		fi;
 	else
-		git apply "$@";
 		echo "Applying (as diff): $currentWorkingPatch";
+		git apply "$@";
 	fi;
 }
 export -f applyPatchReal;
 
 applyPatch() {
 	currentWorkingPatch=$1;
+	set -E
 	if [ -f "$currentWorkingPatch" ]; then
 		if git apply --check "$@" &> /dev/null; then
 			applyPatchReal "$@";
@@ -97,11 +127,13 @@ applyPatch() {
 					echo "Applied (as 3way): $currentWorkingPatch";
 				else
 					echo -e "\e[0;31mERROR: Cannot apply: $currentWorkingPatch\e[0m";
+					false
 				fi;
 			fi;
 		fi;
 	else
 		echo -e "\e[0;31mERROR: Patch doesn't exist: $currentWorkingPatch\e[0m";
+		false
 	fi;
 }
 export -f applyPatch;
@@ -380,7 +412,7 @@ processRelease() {
 	echo "$INCREMENTAL_ID" > "$OUT_DIR/$PREFIX-target_files.zip.id";
 
 	#Image
-	unzip -l $OUT_DIR/$PREFIX-target_files.zip | grep -q recovery.img;
+	unzip -l $OUT_DIR/$PREFIX-target_files.zip | grep -q recovery.img || true;
 	local hasRecoveryImg="$?";
 	unzip -l $OUT_DIR/$PREFIX-target_files.zip | grep -q dtbo.img;
 	local hasDtboImg="$?";
diff --git a/Scripts/Common/Post.sh b/Scripts/Common/Post.sh
index a3c914725..ca257417e 100644
--- a/Scripts/Common/Post.sh
+++ b/Scripts/Common/Post.sh
@@ -58,3 +58,5 @@ sed -i '/android.software.managed_users/s/notLowRam="true"//' frameworks/native/
 
 cd "$DOS_BUILD_BASE";
 echo -e "\e[0;32m[SCRIPT COMPLETE] Post tweaks complete\e[0m";
+
+kill -USR2 $TR_PID
diff --git a/Scripts/init.sh b/Scripts/init.sh
index 1d06d163d..a0167bf33 100644
--- a/Scripts/init.sh
+++ b/Scripts/init.sh
@@ -117,6 +117,78 @@ export DOS_THEME_700="E64A19"; #Deep Orange 700
 
 umask 0022;
 
+export TR_ERR=0
+export TR_PID=$$
+unset nokill
+if [ -z "$UNATTENDED_PATCHING" ];then export UNATTENDED_PATCHING=1;fi
+
+set -E;	#required for resetEnv()
+resetEnv(){
+    trap - ERR EXIT USR2 SIGINT SIGHUP TERM
+    echo -e "\n\e[0;32mThe environment has been reset.\e[0m\nRemember to always '\e[0;31msource ../../Scripts/init.sh\e[0m' before building.\n"
+    set +E +f
+}; export -f resetEnv
+
+# print result
+# will also ensure the corresponding status code gets returned properly
+_errorReport(){
+    if [ "$TR_ERR" -ne 0 ];then
+	echo -e "\n\e[0;31m[FINAL RESULT] Serious error(s) found!!!\nSummary error code was: $TR_ERR. Check & fix all error lines above\e[0m"
+    else
+	echo -e "\n\e[0;32m[FINAL RESULT] No error detected (please check the above output nevertheless!)\e[0m"
+    fi
+    return $TR_ERR
+}; export -f _errorReport
+
+# exit
+_exit(){
+    if [ "$1" == "noreset" ] || [ $TR_ERR -eq 0 ] ;then
+	echo -e "Ended with $TR_ERR.\nThe shell env has NOT been reset, type: resetEnv if needed.\n"
+    else
+	if [ -z "$nokill" ];then nokill=0;fi
+	resetEnv
+	echo -e "\nExecution has been STOPPED (TR_ERR=$TR_ERR)."
+	if [ "$UNATTENDED_PATCHING" -eq 1 ];then
+	    echo -e "\n\e[0;31mPressing any key or waiting 10s will close this shell (set UNATTENDED_PATCHING=0 to disable auto-close)!\e[0m"
+	    read -t 10 -p "- press any key to exit the shell NOW (auto closes after 10s) -" DUMMY || true
+	else
+	    read -p "- press any key to exit the shell NOW -" DUMMY || true
+	fi
+	_SPIDS=$(ps -s $TR_PID -o pid= | tr '\n' ' ')
+	if [ -z "$_SPIDS" ];then
+	    echo -e "... ok, no childs running (I am: $TR_PID)"
+	else
+	    echo -e "... killing childs: $_SPIDS"
+	    kill -9 $_SPIDS
+	fi
+	if [ $nokill -eq 0 ];then
+	    echo "... killing shell: $TR_PID"
+	    kill -9 $TR_PID
+	fi
+    fi
+}; export -f _exit
+
+# exit & reset & report
+_exit_report(){
+    _errorReport
+    _exit
+}; export -f _exit_report
+
+# exit without reset/kill
+_exit_sigint(){
+    echo -e "\n\nCTRL+C pressed or process has been terminated.."
+    _exit noreset
+}; export _exit_sigint
+
+# trap and print errors
+# ERR: needed to fetch aborts when set -e is set
+trap 'E=$?; \
+      [ $E -ne 0 ] && _fetchError $E $LINENO $FUNCNAME $BASH_SOURCE \
+      && export TR_ERR=$((TR_ERR + $E))' EXIT ERR
+
+trap _exit_report SIGUSR2 USR2
+trap _exit_sigint SIGINT SIGHUP TERM
+
 gpgVerifyGitHead() {
 	if [ -r "$DOS_TMP_GNUPG/pubring.kbx" ]; then
 		if git -C "$1" verify-commit HEAD &>/dev/null; then
@@ -203,5 +275,5 @@ source "$DOS_SCRIPTS_COMMON/Functions.sh";
 source "$DOS_SCRIPTS_COMMON/Tag_Verifier.sh";
 source "$DOS_SCRIPTS/Functions.sh";
 
-[[ -f "$DOS_BUILD_BASE/.repo/local_manifests/roomservice.xml" ]] && echo "roomservice manifest found! Please fix your manifests before continuing!";
-[[ -f "$DOS_BUILD_BASE/DOS_PATCHED_FLAG" ]] && echo "NOTE: THIS WORKSPACE IS ALREADY PATCHED, PLEASE RESET BEFORE PATCHING AGAIN!";
+[[ -f "$DOS_BUILD_BASE/.repo/local_manifests/roomservice.xml" ]] && echo "roomservice manifest found! Please fix your manifests before continuing!" || true;
+[[ -f "$DOS_BUILD_BASE/DOS_PATCHED_FLAG" ]] && echo "NOTE: THIS WORKSPACE IS ALREADY PATCHED, PLEASE RESET BEFORE PATCHING AGAIN!" || true;