Git Version

git-version.sh

#!/bin/bash

# FROM: https://engineering.taboola.com/calculating-git-version/

branch=$(git rev-parse --abbrev-ref HEAD)
latest=$(git tag  -l --merged master --sort='-*authordate' | head -n1)

semver_parts=(${latest//./ })
major=${semver_parts[0]}
minor=${semver_parts[1]}
patch=${semver_parts[2]}

count=$(git rev-list HEAD ^${latest} --ancestry-path ${latest} --count)
version=""

case $branch in
   "master")
      version=${major}.$((minor+1)).0
      ;;
   "feature/*")
      version=${major}.${minor}.${patch}-${branch}-${count}
      ;;
   *)
      >&2 echo "unsupported branch type"
      exit 1
      ;;
esac

echo ${version}
exit 0