CompileIgnoreFile uses an ignore file as the input, parses the lines out of the file and invokes the CompileIgnoreLines method.

CompileIgnoreFileAndLines accepts a ignore file as the input, parses the lines out of the file and invokes the CompileIgnoreLines method with additional lines.

CompileIgnoreLines accepts a variadic set of strings, and returns a GitIgnore instance which converts and appends the lines in the input to regexp.Regexp patterns held within the GitIgnore objects "patterns" field.

file-name 文件 path file-name的位置.

转换成 cli命令的 多个条件描述文本，例如 k1,k2 => "k1"|"k2".

GitIgnore wraps a list of ignore pattern.

IgnoreParser is an interface with `MatchesPaths`.