// regexps from https://github.com/shockie/node-iniparser
const INI_SECTION = /^\s*\[\s*([^\]]*)\s*\]\s*$/
const INI_COMMENT = /^\s*;.*$/
const INI_PARAM = /^\s*([\w\.\-\_]+)\s*=\s*(.*?)\s*$/
const SEPARATOR = /\r\n|\r|\n/

function parseGitmodules(data) {
 if (!data) return

 const submodules = {}
 const lines = data.split(SEPARATOR)
 let lastPath

 lines.forEach((line) => {
 let match
 if (INI_SECTION.test(line) ||
 INI_COMMENT.test(line) ||
 !(match = line.match(INI_PARAM))) {
 return
 }

 if (match[1] === 'path') lastPath = match[2]
 else if (match[1] === 'url') submodules[lastPath] = match[2]
 })

 return submodules
}