[PATCH] git-status: respect core.excludesFile

[Johannes Schindelin <Johannes.Schindelin@gmx.de>]

git-add reads this variable, and honours the contents of that file if that
exists. Match this behaviour in git-status, too.

Noticed by Evan Carroll on IRC.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 wt-status.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/wt-status.c b/wt-status.c
index a055990..4bfe8f1 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -22,6 +22,7 @@ static const char use_add_rm_msg[] =
 "use \"git add/rm <file>...\" to update what will be committed";
 static const char use_add_to_include_msg[] =
 "use \"git add <file>...\" to include in what will be committed";
+static const char *excludes_file;
 
 static int parse_status_slot(const char *var, int offset)
 {
@@ -259,6 +260,8 @@ static void wt_status_print_untracked(struct wt_status *s)
 	x = git_path("info/exclude");
 	if (file_exists(x))
 		add_excludes_from_file(&dir, x);
+	if (excludes_file && file_exists(excludes_file))
+		add_excludes_from_file(&dir, excludes_file);
 
 	read_directory(&dir, ".", "", 0, NULL);
 	for(i = 0; i < dir.nr; i++) {
@@ -356,5 +359,11 @@ int git_status_config(const char *k, const char *v)
 		int slot = parse_status_slot(k, 13);
 		color_parse(v, k, wt_status_colors[slot]);
 	}
+	if (!strcmp(k, "core.excludesfile")) {
+		if (!v)
+			die("core.excludesfile without value");
+		excludes_file = xstrdup(v);
+		return 0;
+	}
 	return git_default_config(k, v);
 }
-- 
1.5.2.GIT