docs/diff-options: clarify scope of diff-filter types

diff --git a/dir.c b/dir.c
index 65c3e681b8e04aa47b6cf41faca0822ead59fb6a..aeeb5ce10490ef1e0adb907d1e21bcbbbbb401ac 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -174,20 +174,19 @@ char *common_prefix(const struct pathspec *pathspec)
 
 int fill_directory(struct dir_struct *dir, const struct pathspec *pathspec)
 {
-       char *prefix;
+       const char *prefix;
        size_t prefix_len;
 
        /*
         * Calculate common prefix for the pathspec, and
         * use that to optimize the directory walk
         */
-       prefix = common_prefix(pathspec);
-       prefix_len = prefix ? strlen(prefix) : 0;
+       prefix_len = common_prefix_len(pathspec);
+       prefix = prefix_len ? pathspec->items[0].match : "";
 
        /* Read the directory and prune it */
        read_directory(dir, prefix, prefix_len, pathspec);
 
-       free(prefix);
        return prefix_len;
 }
 
@@ -2731,8 +2730,8 @@ void connect_work_tree_and_git_dir(const char *work_tree_, const char *git_dir_)
 {
        struct strbuf file_name = STRBUF_INIT;
        struct strbuf rel_path = STRBUF_INIT;
-       char *git_dir = real_pathdup(git_dir_);
-       char *work_tree = real_pathdup(work_tree_);
+       char *git_dir = real_pathdup(git_dir_, 1);
+       char *work_tree = real_pathdup(work_tree_, 1);
 
        /* Update gitfile */
        strbuf_addf(&file_name, "%s/.git", work_tree);