From c43b3fb303208a739be41894112d4b078d390bc5 Mon Sep 17 00:00:00 2001
From: Nils Winkler <nils@nilswinkler.com>
Date: Mon, 12 Dec 2016 15:20:13 +0100
Subject: [PATCH] Added docker-archive-content function

---
 plugins/available/docker.plugin.bash | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/plugins/available/docker.plugin.bash b/plugins/available/docker.plugin.bash
index d78bfaf1..4a2abbd7 100644
--- a/plugins/available/docker.plugin.bash
+++ b/plugins/available/docker.plugin.bash
@@ -61,3 +61,14 @@ function docker-runtime-environment() {
   group 'docker'
   docker run "$@" env
 }
+
+function docker-archive-content() {
+  about 'show the content of the provided Docker image archive'
+  group 'docker'
+  param '1: image archive name'
+  example 'docker-archive-content images.tar.gz'
+
+  if [ -n "$1" ]; then
+    tar -xzOf $1 manifest.json | jq '[.[] | .RepoTags] | add'
+  fi
+}