#!/bin/bash

set -e

ORG=$1
IMAGE=$2
VERSION=$3
TRIES=$4
DELAY=$5

if [[ -z "${ORG}" || -z "${IMAGE}" || -z "${VERSION}" ]]; then
	echo "ERROR: Missing required parameter"
	echo "Usage: $0 ORG PROJECT VERSION"
	exit 1
fi

function docker_tag_exists() {
	URI="https://hub.docker.com/v2/repositories/$1/tags"
	curl --silent --fail -lSL ${URI} | grep \"${VERSION}\" >/dev/null
}

i=0
while ! docker_tag_exists "${ORG}/${IMAGE}" $VERSION;
do
	if (( ${TRIES} == 0 )); then
		sleep ${DELAY}
		continue
	fi
	if (( ++i < ${TRIES} )); then
		sleep ${DELAY}
	else
		echo "ERROR: Failed to find image ${ORG}/${IMAGE}:${VERSION} within requested time."
		exit 1
	fi
done

echo "SUCCESS!"

#!/bin/bash

set -e

ORG=$1
IMAGE=$2
VERSION=$3
TRIES=$4
DELAY=$5

if [[ -z "${ORG}" || -z "${IMAGE}" || -z "${VERSION}" ]]; then
	echo "ERROR: Missing required parameter"
	echo "Usage: $0 ORG PROJECT VERSION"
	exit 1
fi

function docker_tag_exists() {
    URI="https://hub.docker.com/v2/repositories/$1/tags"
    curl --silent --fail -lSL ${URI} | grep \"${VERSION}\" >/dev/null
}

i=0
while ! docker_tag_exists "${ORG}/${IMAGE}" $VERSION;
do
	if (( ${TRIES} == 0 )); then
		sleep ${DELAY}
		continue
	fi
	if (( ++i < ${TRIES} )); then
		sleep ${DELAY}
    else
		echo "ERROR: Failed to find image ${ORG}/${IMAGE}:${VERSION} within requested time."
		exit 1
	fi
done

echo "SUCCESS!"

--- 
+++ 
@@ -15,8 +15,8 @@
 fi
 
 function docker_tag_exists() {
-	URI="https://hub.docker.com/v2/repositories/$1/tags"
-	curl --silent --fail -lSL ${URI} | grep \"${VERSION}\" >/dev/null
+    URI="https://hub.docker.com/v2/repositories/$1/tags"
+    curl --silent --fail -lSL ${URI} | grep \"${VERSION}\" >/dev/null
 }
 
 i=0
@@ -28,7 +28,7 @@
 	fi
 	if (( ++i < ${TRIES} )); then
 		sleep ${DELAY}
-	else
+    else
 		echo "ERROR: Failed to find image ${ORG}/${IMAGE}:${VERSION} within requested time."
 		exit 1
 	fi
Use spaces instead of tabs
