Add a documentat on how to revert a faulty merge

diff --git a/builtin-ls-tree.c b/builtin-ls-tree.c
index 7abe333ce99a3448373119c1a811341cb15f1d10..cb61717685b09a2e409440206e27fce68831e04d 100644 (file)
--- a/builtin-ls-tree.c
+++ b/builtin-ls-tree.c
@@ -23,7 +23,7 @@ static int chomp_prefix;
 static const char *ls_tree_prefix;
 
 static const char ls_tree_usage[] =
-       "git-ls-tree [-d] [-r] [-t] [-l] [-z] [--name-only] [--name-status] [--full-name] [--abbrev[=<n>]] <tree-ish> [path...]";
+       "git ls-tree [-d] [-r] [-t] [-l] [-z] [--name-only] [--name-status] [--full-name] [--abbrev[=<n>]] <tree-ish> [path...]";
 
 static int show_recursive(const char *base, int baselen, const char *pathname)
 {
@@ -56,7 +56,7 @@ static int show_recursive(const char *base, int baselen, const char *pathname)
 }
 
 static int show_tree(const unsigned char *sha1, const char *base, int baselen,
-                    const char *pathname, unsigned mode, int stage)
+               const char *pathname, unsigned mode, int stage, void *context)
 {
        int retval = 0;
        const char *type = blob_type;
@@ -66,17 +66,16 @@ static int show_tree(const unsigned char *sha1, const char *base, int baselen,
                /*
                 * Maybe we want to have some recursive version here?
                 *
-                * Something like:
+                * Something similar to this incomplete example:
                 *
                if (show_subprojects(base, baselen, pathname)) {
-                       if (fork()) {
-                               chdir(base);
-                               exec ls-tree;
-                       }
-                       waitpid();
+                       struct child_process ls_tree;
+
+                       ls_tree.dir = base;
+                       ls_tree.argv = ls-tree;
+                       start_command(&ls_tree);
                }
                 *
-                * ..or similar..
                 */
                type = commit_type;
        } else if (S_ISDIR(mode)) {
@@ -122,7 +121,7 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix)
        unsigned char sha1[20];
        struct tree *tree;
 
-       git_config(git_default_config);
+       git_config(git_default_config, NULL);
        ls_tree_prefix = prefix;
        if (prefix && *prefix)
                chomp_prefix = strlen(prefix);
@@ -189,7 +188,7 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix)
        tree = parse_tree_indirect(sha1);
        if (!tree)
                die("not a tree object");
-       read_tree_recursive(tree, "", 0, 0, pathspec, show_tree);
+       read_tree_recursive(tree, "", 0, 0, pathspec, show_tree, NULL);
 
        return 0;
 }