diff --git a/whatsdirty/publish.sh b/whatsdirty/publish.sh
index 37a4c36..091e568 100755
--- a/whatsdirty/publish.sh
+++ b/whatsdirty/publish.sh
@@ -1,14 +1,30 @@
 #!/bin/bash
 
+set -euo pipefail
+
+function die() {
+    echo "FATAL:"
+    echo "$@"
+    exit 1
+}
+
+
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+SOS="${SCRIPT_DIR}/../sos/sos"
+[ -f "${SOS}" ] || die "Failed to find sos"
+GETPKG="${SCRIPT_DIR}/../getpkg/output/getpkg"
+[ -f "${GETPKG}" ] || die "Failed to find getpkg"
+
+
 
 # run sos to upload
-"${SCRIPT_DIR}/../sos/sos" upload "getbin.xyz" "${SCRIPT_DIR}/whatsdirty.sh" "whatsdirty:latest" 
-"${SCRIPT_DIR}/../sos/sos" upload "getbin.xyz" "${SCRIPT_DIR}/install.sh" "whatsdirty-install:latest" 
+"${SOS}" upload "getbin.xyz" "${SCRIPT_DIR}/whatsdirty.sh" "whatsdirty:latest" 
+"${SOS}" upload "getbin.xyz" "${SCRIPT_DIR}/install.sh" "whatsdirty-install:latest" 
 
 # publish the tool
+mkdir -p "${SCRIPT_DIR}/tool"
+cp "${SCRIPT_DIR}/whatsdirty.sh" "${SCRIPT_DIR}/tool"   
+ln -s "${SCRIPT_DIR}/tool/whatsdirty.sh" "${SCRIPT_DIR}/tool/whatsdirty"
 
-mkdir -p ${SCRIPT_DIR}/tool
-cp ${SCRIPT_DIR}/whatsdirty.sh ${SCRIPT_DIR}/tool
-ln -s ${SCRIPT_DIR}/tool/whatsdirty.sh ${SCRIPT_DIR}/tool/whatsdirty
-
+# publish universal tool.
+"${GETPKG}" publish "${SCRIPT_DIR}/tool" "whatsdirty"