Do not hide dot files by default.

It hides the .git in such a way that it cannot be unhidden with Windows
tools. And core.hidedotfiles=false in .gitignore is unworkable :-( as it
is not read before the directory is created.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>

Author: j6t

compat/mingw.c

@@ -245,7 +245,7 @@ enum hide_dotfiles_type {
 };
 
 static int core_restrict_inherited_handles = -1;
-static enum hide_dotfiles_type hide_dotfiles = HIDE_DOTFILES_DOTGITONLY;
+static enum hide_dotfiles_type hide_dotfiles = HIDE_DOTFILES_FALSE;
 static char *unset_environment_variables;
 
 int mingw_core_config(const char *var, const char *value,

t/t0001-init.sh

@@ -463,14 +463,14 @@ test_expect_success 're-init to move gitdir within linked worktree (relative)' '
 	sep_git_dir_worktree linkwt relative
 '
 
-test_expect_success MINGW '.git hidden' '
+test_expect_success MINGW '.git not hidden' '
 	rm -rf newdir &&
 	(
 		sane_unset GIT_DIR GIT_WORK_TREE &&
 		mkdir newdir &&
 		cd newdir &&
 		git init &&
-		test_path_is_hidden .git
+		! test_path_is_hidden .git
 	) &&
 	check_config newdir/.git false unset
 '