#!/usr/bin/env bash
# reset environment variables that could interfere with normal usage
export GREP_OPTIONS=
# put all utility functions here

# make a temporary file
git_extra_mktemp() {
    mktemp -t "$(basename "$0")".XXXXXXX
}

git_extra_default_branch() {
    local default_branch
    default_branch=$(git config --get git-extras.default-branch)
    if [ -z "$default_branch" ]; then
        echo "master"
    else
        echo "$default_branch"
    fi
}
#
# check whether current directory is inside a git repository
#

is_git_repo() {
  git rev-parse --show-toplevel > /dev/null 2>&1
  result=$?
  if test $result != 0; then
    >&2 echo 'Not a git repo!'
    exit $result
  fi
}

is_git_repo

# Assert there is at least one tag provided
test -z $1 && echo "tag required." 1>&2 && exit 1

# Concatenate all the tag references
local_tags=""
origin_refs=""
for tagname in "$@"
do
  local_tags=$local_tags" $tagname"
  origin_refs=$origin_refs" :refs/tags/$tagname"
done

# Delete all the tags
git tag -d $local_tags
git push origin $origin_refs
