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@jupegarnica
Created September 26, 2021 07:46
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#!/bin/sh
#Get the highest tag number
VERSION=`git describe --abbrev=0 --tags`
VERSION=${VERSION:-'0.0.0'}
echo $VERSION
#Get number parts
MAJOR="${VERSION%%.*}"; VERSION="${VERSION#*.}"
MINOR="${VERSION%%.*}"; VERSION="${VERSION#*.}"
PATCH="${VERSION%%.*}"; VERSION="${VERSION#*.}"
#Increase version
PATCH=$((PATCH+1))
#Get current hash and see if it already has a tag
GIT_COMMIT=`git rev-parse HEAD`
NEEDS_TAG=`git describe --contains $GIT_COMMIT`
#Create new tag
NEW_TAG="$MAJOR.$MINOR.$PATCH"
echo "Updating to $NEW_TAG"
#Only tag if no tag already (would be better if the git describe command above could have a silent option)
if [ -z "$NEEDS_TAG" ]; then
echo "Tagged with $NEW_TAG (Ignoring fatal:cannot describe - this means commit is untagged) "
git tag $NEW_TAG
else
echo "Already a tag on this commit"
fi
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