unpack-trees: fix sparse checkout's "unable to match directories"

diff --git a/dir.c b/dir.c
index 151ea670d961d39394990f122469557b6f217de3..39eb7a3a4f9d26f2a5944f233cbe1d358a9b6440 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -223,6 +223,18 @@ static void *read_skip_worktree_file_from_index(const char *path, size_t *size)
        return data;
 }
 
+void free_excludes(struct exclude_list *el)
+{
+       int i;
+
+       for (i = 0; i < el->nr; i++)
+               free(el->excludes[i]);
+       free(el->excludes);
+
+       el->nr = 0;
+       el->excludes = NULL;
+}
+
 int add_excludes_from_file_to_list(const char *fname,
                                   const char *base,
                                   int baselen,
@@ -232,7 +244,7 @@ int add_excludes_from_file_to_list(const char *fname,
 {
        struct stat st;
        int fd, i;
-       size_t size;
+       size_t size = 0;
        char *buf, *entry;
 
        fd = open(fname, O_RDONLY);
@@ -360,7 +372,8 @@ int excluded_from_list(const char *pathname,
 
                        if (x->flags & EXC_FLAG_MUSTBEDIR) {
                                if (!dtype) {
-                                       if (!prefixcmp(pathname, exclude))
+                                       if (!prefixcmp(pathname, exclude) &&
+                                           pathname[x->patternlen] == '/')
                                                return to_exclude;
                                        else
                                                continue;
@@ -453,7 +466,7 @@ static struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathna
        return dir->entries[dir->nr++] = dir_entry_new(pathname, len);
 }
 
-static struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len)
+struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len)
 {
        if (!cache_name_is_other(pathname, len))
                return NULL;