#!/usr/bin/env bash

pushd .
cd ~ || exit $?
BPKG=$(which bpkg)
popd || exit $?

declare -a tags=($(git tag -l))
#declare -a tags=(1.0.12)

for tag in "${tags[@]}"; do
  ## checkout current tag
  git checkout "$tag"
  ## checkout `setup.sh` from master branch with latest changes
  git checkout master -- setup.sh
  ## get current version
  declare version="$("$BPKG" package version | tr -d '[:space:]' | tr -d '"' | sed 's/\[version\]//g')"
  ## version replacement regex for `sed(1)`
  declare regex="s/VERSION=.*/VERSION=\"$version\"/g"
  ## set versions in files
  sed -i "$regex" bpkg.sh
  sed -i "$regex" setup.sh

  if ! git diff --exit-code; then
    ## remove current tag
    git tag -d "$tag"
    ## amend HEAD for current tag
    git commit -a --amend --no-edit
    ## retag
    git tag "$tag"
    ## force push update
    git push origin "$tag" -f
  fi
done

git checkout master