user_ident_sufficiently_given(): refactor the logic to be usable from elsewhere

diff --git a/cache.h b/cache.h
index bf468e52352c193b355222b718d9f5125c26052c..63e0701deec71218862673b0fe8cfb0fcbc19a6d 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -926,6 +926,7 @@ extern const char *config_exclusive_filename;
 extern char git_default_email[MAX_GITNAME];
 extern char git_default_name[MAX_GITNAME];
 extern int user_ident_explicitly_given;
+extern int user_ident_sufficiently_given(void);
 
 extern const char *git_commit_encoding;
 extern const char *git_log_output_encoding;