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abra/app-version.sh

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2021-03-16 07:57:05 +00:00
#!/bin/bash
# Usage: ./app-version.sh <image> <service>
# Example: ./app-version.sh drone/drone:1.10.1 app
#
# Accepts a full format hub.docker.com image tag which it pulls locally and
# generates output which can be used to put in the abra.sh for app packaging.
# Requires the yq program https://mikefarah.gitbook.io/yq/
error() {
echo "$(tput setaf 1)ERROR: $*$(tput sgr0)"
exit 1
}
IMAGE="$1"
SERVICE="$2"
if ! docker pull -q "$IMAGE" > /dev/null 2>&1; then
error "Failed to download image, is the tag correct?"
fi
version=$(echo "$IMAGE" | cut -d ':' -f2)
digest=$(docker image inspect -f "{{.Id}}" "$IMAGE" | cut -d ':' -f2- | cut -c 1-8)
echo "ABRA_TYPE_${SERVICE^^}_VERSION=${version}"
echo "ABRA_TYPE_${SERVICE^^}_DIGEST=${digest}"