diff --git a/cmd/revid-cli/upgrade.sh b/cmd/revid-cli/upgrade.sh
new file mode 100755
index 00000000..b4f6f8d1
--- /dev/null
+++ b/cmd/revid-cli/upgrade.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+# All-purpose upgrade script.
+# Upgrades source(s) to given Git tag, runs make in each directory,
+# and write tags to tags.conf upon success, exiting 0.
+# NB: Customize SrcDirs as needed to reflect dependencies.
+Usage="Usage: upgrade.sh [-d] tag"
+VarDir="/var/netsender"
+BaseDir="$HOME/go/src/bitbucket.org/ausocean"
+SrcDirs=($BaseDir/iot $BaseDir/av)
+if [ "$1" == "-d" ]; then
+    set  -x
+    GitFlags=""
+    NewTag="$2"
+else
+    GitFlags="--quiet"
+    NewTag="$1"
+fi
+if [ -z "$NewTag" ]; then
+    echo "$Usage"
+    exit 1
+fi
+for dir in ${SrcDirs[@]}; do
+  pushd $dir
+  git fetch $GitFlags --depth=1 origin refs/tags/$NewTag:refs/tags/$NewTag
+  git checkout $GitFlags1 tags/$NewTag
+  if [ ! "$?" == 0 ]; then
+    exit 1
+  fi
+  if [ -e Makefile ]; then
+    make
+    if [ ! "$?" == 0 ]; then
+      exit 1
+    fi
+  fi
+  popd
+done
+if [ ! -d "$VarDir" ]; then
+  echo "Error: $VarDir does not exit."	
+  exit 1
+fi
+git tag > "$VarDir/tags.conf"
+exit $?