Add script to pull flyte

Signed-off-by: Andrew Dye <[email protected]>

script/pull_flyte.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+set -eu
+
+if [ -z "$1" ]
+  then
+    echo "Missing tag or sha to pull, i.e., v1.10.7"
+    exit 1
+fi
+
+REMOTE_REF=$1
+
+ret=0
+git remote show upstream > /dev/null 2>&1 || ret=$?
+if [[ $ret != 0 ]]; then
+    echo "Adding upstream remote"
+    git remote add upstream https://github.com/flyteorg/flyte.git
+fi
+
+git fetch upstream
+
+ret=0
+git show-ref -q "${REMOTE_REF}" || ret=$?
+if [[ $ret != 0 ]]; then
+    echo "Couldn't find ${REMOTE_REF} in upstream. Exiting."
+    exit 1
+fi
+
+git checkout -b "flyte-${REMOTE_REF}"
+git pull upstream "${REMOTE_REF}"
+
+echo "Successfully pulled ${REMOTE_REF} from upstream"