git-mob-tool 1.2.0

A CLI app which can help users automatically add co-author(s) to git commits for pair/mob programming
Documentation 
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#!/bin/sh
set -e

add_jira_issue_id_prefix() {
  # If the branch name starts with string resembling a Jira Issue ID, fetch it
  jira_issue_id=$(git branch --show-current | grep -o -E "^[a-zA-Z]+-[0-9]+" | tr '[:lower:]' '[:upper:]')
  commit_msg_file_text=$(cat "$1")
  commit_msg=$(echo "$commit_msg_file_text" | grep -v "^[[:space:]]*#" || true)

  # If the Jira Issue ID is identified and the commit message does not already start with it
  # then prepend the commit message with it
  if [ -n "$jira_issue_id" ] && echo "$commit_msg" | grep -q -i -v "^\[\?$jira_issue_id\]\?"; then
    printf "[%s] %s\n" "$jira_issue_id" "$commit_msg_file_text" > "$1"
  fi
}

add_co_authored_by_trailers() {
  co_authored_by_trailers=$(git mob --list | sed "s/^/Co-authored-by: /")
  trailer_args=""

  OLDIFS="$IFS"
  IFS='
'
  for line in $co_authored_by_trailers; do
    trailer_args="${trailer_args} --trailer \"$line\""
  done
  IFS="$OLDIFS"

  if [ -n "$trailer_args" ]; then
    eval "git interpret-trailers --if-exists addIfDifferent ${trailer_args} --in-place $1"
    printf "%s\n\n" "$co_authored_by_trailers"
  fi
}

main() {
  # Do nothing during rebase
  [ -z "$(git branch --show-current)" ] && exit 0

  # Do nothing during amend (without message) or reuse of a commit message
  [ "$2" = 'commit' ] && exit 0

  add_jira_issue_id_prefix "$@"
  add_co_authored_by_trailers "$@"
}

main "$@"