try {
String ext = StringUtils.getFileExtension(file).toLowerCase();
- String contentType = file.charAt(0) == '.' ? "text/plain" : quickContentTypes.get(ext);
+ // We can't parse out an extension for classic "dotfiles", so make a general assumption that
+ // they're text files to allow presenting them in browser instead of only for download.
+ //
+ // However, that only holds for files with no other extension included, for files that happen
+ // to start with a dot but also include an extension, process the extension normally.
+ // This logic covers .gitattributes, .gitignore, .zshrc, etc., but does not cover .mongorc.js, .zshrc.bak
+ boolean isExtensionlessDotfile = file.charAt(0) == '.' && (file.length() == 1 || file.indexOf('.', 1) < 0);
+ String contentType = isExtensionlessDotfile ? "text/plain" : quickContentTypes.get(ext);
if (contentType == null) {
List<String> exts = runtimeManager.getSettings().getStrings(Keys.web.prettyPrintExtensions);