Function interpretParsedPatchFile

src/patch/parse.ts:301–400

(files: FileDeets[])

}

export function interpretParsedPatchFile(files: FileDeets[]): ParsedPatchFile {
  const result: ParsedPatchFile = []

  for (const file of files) {
    const {
      diffLineFromPath,
      diffLineToPath,
      oldMode,
      newMode,
      deletedFileMode,
      newFileMode,
      renameFrom,
      renameTo,
      beforeHash,
      afterHash,
      fromPath,
      toPath,
      hunks,
    } = file
    const type: PatchFilePart["type"] = renameFrom
      ? "rename"
      : deletedFileMode
      ? "file deletion"
      : newFileMode
      ? "file creation"
      : hunks && hunks.length > 0
      ? "patch"
      : "mode change"

    let destinationFilePath: string | null = null
    switch (type) {
      case "rename":
        if (!renameFrom || !renameTo) {
          throw new Error("Bad parser state: rename from & to not given")
        }
        result.push({
          type: "rename",
          fromPath: renameFrom,
          toPath: renameTo,
        })
        destinationFilePath = renameTo
        break
      case "file deletion": {
        const path = diffLineFromPath || fromPath
        if (!path) {
          throw new Error("Bad parse state: no path given for file deletion")
        }
        result.push({
          type: "file deletion",
          hunk: (hunks && hunks[0]) || null,
          path,
          mode: parseFileMode(deletedFileMode!),
          hash: beforeHash,
        })
        break
      }
      case "file creation": {
        const path = diffLineToPath || toPath