#!/usr/bin/env bash -x
set -e
read
export PATH=`pwd`:$PATH
systemctl restart ocid
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: "[1m Check if we have some images to work with.[0m"
ocic image list
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: "[1m Create a working container, and capture its name [0m"
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echo '[container1=`buildah from ${1:-ubuntu}`]'
container1=`buildah from ${1:-ubuntu}`
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: "[1m Mount that working container, and capture the mountpoint [0m"
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echo '[mountpoint1=`buildah mount $container1`]'
mountpoint1=`buildah mount $container1`
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: "[1m Add a file to the container [0m"
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echo '[echo yay > $mountpoint1/file-in-root]'
echo yay > $mountpoint1/file-in-root
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: "[1m Produce an image from the container [0m"
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buildah commit "$container1" ${2:-first-new-image}
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: "[1m Verify that our new image is there [0m"
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ocic image list
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: "[1m Unmount our working container and delete it [0m"
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buildah umount "$container1"
buildah rm "$container1"
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: "[1m Now try it with ocid not running! [0m"
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systemctl stop ocid
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: "[1m You know what?  Go ahead and use that image we just created, and capture its name [0m"
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echo '[container2=`buildah from ${2:-first-new-image}`]'
container2=`buildah from ${2:-first-new-image}`
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: "[1m Mount that new working container, and capture the mountpoint [0m"
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echo '[mountpoint2=`buildah mount $container2`]'
mountpoint2=`buildah mount $container2`
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: "[1m That file we added to the image is there, right? [0m"
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cat $mountpoint2/file-in-root
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: "[1m Add a file to the new container[0m"
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echo '[echo yay > $mountpoint2/another-file-in-root]'
echo yay > $mountpoint2/another-file-in-root
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: "[1m Produce an image from the new container[0m"
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buildah commit "$container2" ${3:-second-new-image}
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: "[1m Unmount our new working container and delete it [0m"
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buildah umount "$container2"
buildah rm "$container2"
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: "[1m Verify that our new new image is there[0m"
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systemctl start ocid
ocic image list
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: "[1m Clean up, because I ran this like fifty times while testing [0m"
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ocic image remove --id=${2:-first-new-image}
ocic image remove --id=${3:-second-new-image}
