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furdarius/docker_tagging.sh

Created September 3, 2018 16:03
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Docker semver tagging bash script
Raw
docker_tagging.sh
#!/bin/bash
TAG=$1
if [[ $TAG =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
echo "$TAG tag received"
else
echo "Invalid tag format"
exit 1
fi
for i in {1..3}
do
echo "$TAG"
TAG=$(echo $TAG | awk '{gsub(/\.[0-9]+$/,"",$1);print}')
done
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