init: expand comments explaining config trickery

diff --git a/cache.h b/cache.h
index fd728f079320cb05bb01bb9a5764fcb0943a1f19..67ec356c7a787e6316d2e53138582ea78c366a72 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -453,6 +453,12 @@ static inline enum object_type object_type(unsigned int mode)
  */
 extern const char * const local_repo_env[];
 
+/*
+ * Returns true iff we have a configured git repository (either via
+ * setup_git_directory, or in the environment via $GIT_DIR).
+ */
+int have_git_dir(void);
+
 extern int is_bare_repository_cfg;
 extern int is_bare_repository(void);
 extern int is_inside_git_dir(void);
@@ -700,6 +706,14 @@ extern int ref_paranoia;
 extern char comment_line_char;
 extern int auto_comment_line_char;
 
+/* Windows only */
+enum hide_dotfiles_type {
+       HIDE_DOTFILES_FALSE = 0,
+       HIDE_DOTFILES_TRUE,
+       HIDE_DOTFILES_DOTGITONLY
+};
+extern enum hide_dotfiles_type hide_dotfiles;
+
 enum branch_track {
        BRANCH_TRACK_UNSPECIFIED = -1,
        BRANCH_TRACK_NEVER = 0,
@@ -1725,7 +1739,6 @@ extern int write_file_gently(const char *path, const char *fmt, ...);
 
 /* pager.c */
 extern void setup_pager(void);
-extern const char *pager_program;
 extern int pager_in_use(void);
 extern int pager_use_color;
 extern int term_columns(void);