Document limited recursion pathspec matching with wildcards

It's actually unlimited recursion if wildcards are active regardless
--max-depth

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt
index 15d6711d46754e9659561b4372b46ec3c6654d6b..6a8b1e3a7d06218903ce5614f51c4e7cbba73b17 100644 (file)
--- a/Documentation/git-grep.txt
+++ b/Documentation/git-grep.txt
@@ -79,6 +79,9 @@ OPTIONS
 --max-depth <depth>::
        For each <pathspec> given on command line, descend at most <depth>
        levels of directories. A negative value means no limit.
+       This option is ignored if <pathspec> contains active wildcards.
+       In other words if "a*" matches a directory named "a*",
+       "*" is matched literally so --max-depth is still effective.
 
 -w::
 --word-regexp::

diff --git a/tree-walk.c b/tree-walk.c
index f82dba6a1f43bf2a259952a4fd6db94d6335deb7..492c7cd744d5f0739c8393ab67705c0be1254783 100644 (file)
--- a/tree-walk.c
+++ b/tree-walk.c
@@ -661,6 +661,9 @@ match_wildcards:
                /*
                 * Match all directories. We'll try to match files
                 * later on.
+                * max_depth is ignored but we may consider support it
+                * in future, see
+                * http://thread.gmane.org/gmane.comp.version-control.git/163757/focus=163840
                 */
                if (ps->recursive && S_ISDIR(entry->mode))
                        return entry_interesting;