Prepend ./ to "flag-like file" wildcard expansions and completions

If a wildcard or completion expands to a file that begins with
one or more dashes, prepend a ./ to it so that it doesn't get
parsed as an option.

Fixes #1519

1 files changed, 4 insertions, 1 deletions

diff --git a/expand.h b/expand.h
index 14a4f477..fe13a145 100644
--- a/expand.h
+++ b/expand.h
@@ -60,7 +60,10 @@ enum
     EXPAND_SKIP_HOME_DIRECTORIES = 1 << 9,
 
     /** Allow fuzzy matching */
-    EXPAND_FUZZY_MATCH = 1 << 10
+    EXPAND_FUZZY_MATCH = 1 << 10,
+
+    /** Requests that flag-like files not be sanitized. Sanitization means that a completion '--foo' that represents a file will be replaced by './--foo'. */
+    EXPAND_NO_SANITIZE_FLAGLIKE_FILES = 1 << 11
 };
 typedef int expand_flags_t;