From e65a4d79c48e87a71fde677ce90b19669efb95c8 Mon Sep 17 00:00:00 2001
From: Felix Bartels <felix@host-consultants.de>
Date: Sun, 12 May 2019 11:11:48 +0200
Subject: [PATCH] replace bash function to list docker tags with
 https://github.com/genuinetools/reg/

depends on new release in https://github.com/genuinetools/reg/issues/186

Signed-off-by: Felix Bartels <felix@host-consultants.de>
---
 build/Dockerfile |  2 ++
 setup.sh         | 43 +++++++------------------------------------
 2 files changed, 9 insertions(+), 36 deletions(-)

diff --git a/build/Dockerfile b/build/Dockerfile
index 377d824c..ce684ff8 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -2,5 +2,7 @@ FROM docker:18.09.1
 ENV COMPOSE_VERSION "1.23.2"
 RUN apk add --no-cache bash curl expect make nano jq py-pip
 RUN pip install --no-cache-dir docker-compose==${COMPOSE_VERSION}
+RUN curl -fSL "https://github.com/genuinetools/reg/releases/download/v0.16.0/reg-linux-amd64" -o "/usr/local/bin/reg" \
+    && chmod a+x "/usr/local/bin/reg"
 WORKDIR /kopano-docker
 CMD ["bash"]
diff --git a/setup.sh b/setup.sh
index 45125868..4afdec57 100755
--- a/setup.sh
+++ b/setup.sh
@@ -30,37 +30,7 @@ plugin_menu() {
 }
 
 docker_tag_search () {
-	set +e
-	# Display help
-	if [[ "${1}" == "" ]]; then
-		echo "Usage: docker tags repo/image"
-		echo "       docker tags image"
-		return
-	fi
-
-	# Full repo/image was supplied
-	if [[ $1 == *"/"* ]]; then
-		name=$1
-
-	# Only image was supplied, default to library/image
-	else
-		name=library/${1}
-	fi
-	#printf "Searching tags for ${name}"
-
-	# Fetch all pages, because the only endpoint supporting pagination params
-	# appears to be tags/lists, but that needs authorization
-	results=""
-	i=0
-	has_more=0
-	while [ $has_more -eq 0 ]; do
-		i=$((i+1))
-		result=$(curl "https://registry.hub.docker.com/v2/repositories/${name}/tags/?page=${i}" 2>/dev/null | jq -r '."results"[]["name"]' 2>/dev/null)
-		has_more=$?
-		if [[ -n "${result// }" ]]; then results="${results} ${result}"; fi
-			#printf "."
-	done
-
+	results=$(reg tags $1 2> /dev/null)
 	echo "$results" | xargs -n1 | sort -ru | xargs
 }
 
@@ -73,28 +43,29 @@ if [ ! -e ./.env ]; then
 	PRINT_SETUP_SUCCESS=""
 
 	echo "Creating an .env file for you"
-	if command -v jq > /dev/null; then
-		echo "Available tags in https://hub.docker.com/r/zokradonh/kopano_core/: $(docker_tag_search zokradonh/kopano_core)"
+
+	if command -v reg > /dev/null; then
+		echo "Available tags in zokradonh/kopano_core/: $(docker_tag_search zokradonh/kopano_core)"
 	fi
 	value_default=latest
 	read -r -p "Which tag do you want to use for Kopano Core components? [$value_default]: " new_value
 	CORE_VERSION=${new_value:-$value_default}
 
-	if command -v jq > /dev/null; then
+	if command -v reg > /dev/null; then
 		echo "Available tags in https://hub.docker.com/r/zokradonh/kopano_webapp/: $(docker_tag_search zokradonh/kopano_webapp)"
 	fi
 	value_default=latest
 	read -r -p "Which tag do you want to use for Kopano WebApp? [$value_default]: " new_value
 	WEBAPP_VERSION=${new_value:-$value_default}
 
-	if command -v jq > /dev/null; then
+	if command -v reg > /dev/null; then
 		echo "Available tags in https://hub.docker.com/r/zokradonh/kopano_zpush/: $(docker_tag_search zokradonh/kopano_zpush)"
 	fi
 	value_default=latest
 	read -r -p "Which tag do you want to use for Z-Push? [$value_default]: " new_value
 	ZPUSH_VERSION=${new_value:-$value_default}
 
-	if command -v jq > /dev/null; then
+	if command -v reg > /dev/null; then
 		echo "Available tags in https://hub.docker.com/r/zokradonh/kopano_konnect/: $(docker_tag_search zokradonh/kopano_konnect)"
 	fi
 	value_default=latest