Function matchesSectionHeader

src/utils/git/gitConfigParser.ts:198–268

* Check if a config line like `[remote "origin"]` matches the given section/subsection. * Section matching is case-insensitive; subsection matching is case-sensitive.

(
  line: string,
  sectionLower: string,
  subsection: string | null,
)

 * Section matching is case-insensitive; subsection matching is case-sensitive.
 */
function matchesSectionHeader(
  line: string,
  sectionLower: string,
  subsection: string | null,
): boolean {
  // line starts with '['
  let i = 1

  // Read section name
  while (
    i < line.length &&
    line[i] !== ']' &&
    line[i] !== ' ' &&
    line[i] !== '\t' &&
    line[i] !== '"'
  ) {
    i++
  }
  const foundSection = line.slice(1, i).toLowerCase()

  if (foundSection !== sectionLower) {
    return false
  }

  if (subsection === null) {
    // Simple section: must end with ']'
    return i < line.length && line[i] === ']'
  }

  // Skip whitespace before subsection quote
  while (i < line.length && (line[i] === ' ' || line[i] === '\t')) {
    i++
  }

  // Must have opening quote
  if (i >= line.length || line[i] !== '"') {
    return false
  }
  i++ // skip opening quote

  // Read subsection — case-sensitive, handle \\ and \" escapes
  let foundSubsection = ''
  while (i < line.length && line[i] !== '"') {
    if (line[i] === '\\' && i + 1 < line.length) {
      const next = line[i + 1]!
      if (next === '\\' || next === '"') {
        foundSubsection += next
        i += 2
        continue
      }
      // Git drops the backslash for other escapes in subsections
      foundSubsection += next
      i += 2
      continue
    }
    foundSubsection += line[i]
    i++
  }