From bdfcfc96a8cff452d2a81e24057531d93fc3b70d Mon Sep 17 00:00:00 2001
From: Felipe Knorr Kuhn <100320+knorrium@users.noreply.github.com>
Date: Fri, 27 Aug 2021 03:04:51 -0700
Subject: [PATCH] Add script to pull digests from docker images (#705)

---
 docker/scripts/get_image_digest.sh | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 docker/scripts/get_image_digest.sh

diff --git a/docker/scripts/get_image_digest.sh b/docker/scripts/get_image_digest.sh
new file mode 100755
index 000000000..91f64e4dd
--- /dev/null
+++ b/docker/scripts/get_image_digest.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+VERSION=$1
+IMAGE=""
+
+if [ -z "${VERSION}" ]; then
+    echo "no version provided (i.e, v2.2.0), using latest tag"
+    VERSION="latest"
+fi
+
+for package in frontend backend; do
+  PACKAGE=mempool/"$package"
+  IMAGE="$PACKAGE":"$VERSION"
+  HASH=`docker pull $IMAGE > /dev/null && docker inspect $IMAGE | sed -n '/RepoDigests/{n;p;}' | grep -o '[0-9a-f]\{64\}'`
+  if [ -n "${HASH}" ]; then
+    echo "$IMAGE"@sha256:"$HASH"
+  fi
+done