unixorn/git-extra-commands

#!/usr/bin/env bash
#
# If you name your branches JIRATICKET-something-or-other, will open the jira for you automagically
#
# Copyright 2022, Joe Bock <jpb@unixorn.net>

set -o pipefail
if [[ -n "$TRACE" ]]; then
  set -x
fi

function debug() {
  if [[ -n "$DEBUG" ]]; then
    echo "$@"
  fi
}

function fail() {
  printf '%s\n' "$1" >&2  ## Send message to stderr. Exclude >&2 if you don't want it that way.
  exit "${2-1}"  ## Return a code specified by $2 or 1 by default.
}

function has() {
  # Check if a command is in $PATH
  which "$@" > /dev/null 2>&1
}

function get-jira-server() {
  JIRA_SERVER_F=${JIRA_SERVER_F:-"$HOME/.jira-server"}
  debug "JIRA_SERVER_F: $JIRA_SERVER_F"
  if [[ -n "$JIRA_SERVER" ]]; then
    if [[ -r "$JIRA_SERVER_F" ]]; then
      JIRA_SERVER=$(cat "$JIRA_SERVER_F")
      debug "JIRA_SERVER: $JIRA_SERVER"
    else
      fail "JIRA_SERVER not in environment, and can't read it from $JIRA_SERVER_F"
    fi
  fi
  if [[ -z "$JIRA_SERVER" ]]; then
    fail "JIRA_SERVER unset, failing"
  fi
  debug "JIRA_SERVER: $JIRA_SERVER"
}

function get-jira-ticket(){
  git rev-parse --abbrev-ref HEAD | cut -f 1,2 -d -
}

function jira-open(){
  open "${1}/browse/${$2}"
}

if ! has open; then
  fail "Could not find 'open' in your PATH"
fi

jiraticket=$(get-jira-ticket)
if [[ -z "$jiraticket" ]]; then
  branch=$(git rev-parse --abbrev-ref HEAD)
  fail "$branch is not prefixed with a JIRA ticket id"
fi
debug "jiraticket: $jiraticket"

get-jira-server
jira-open "$JIRA_SERVER" "$jiraticket"