t2300: use documented technique to invoke git-sh-setup

diff --git a/builtin-checkout.c b/builtin-checkout.c
index fb7e68ac5f2f0f7d224da93ae57867b24247c7ca..64f3a11ae1d415c466def8eccefe9dbc5b6b3926 100644 (file)
--- a/builtin-checkout.c
+++ b/builtin-checkout.c
@@ -302,8 +302,9 @@ static void show_local_changes(struct object *head)
 static void describe_detached_head(char *msg, struct commit *commit)
 {
        struct strbuf sb = STRBUF_INIT;
+       struct pretty_print_context ctx = {0};
        parse_commit(commit);
-       pretty_print_commit(CMIT_FMT_ONELINE, commit, &sb, 0, NULL, NULL, 0, 0);
+       pretty_print_commit(CMIT_FMT_ONELINE, commit, &sb, &ctx);
        fprintf(stderr, "%s %s... %s\n", msg,
                find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV), sb.buf);
        strbuf_release(&sb);
@@ -616,6 +617,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
        struct tree *source_tree = NULL;
        char *conflict_style = NULL;
        int patch_mode = 0;
+       int dwim_new_local_branch = 1;
        struct option options[] = {
                OPT__QUIET(&opts.quiet),
                OPT_STRING('b', NULL, &opts.new_branch, "new branch", "branch"),
@@ -631,6 +633,9 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
                OPT_STRING(0, "conflict", &conflict_style, "style",
                           "conflict style (merge or diff3)"),
                OPT_BOOLEAN('p', "patch", &patch_mode, "select hunks interactively"),
+               { OPTION_BOOLEAN, 0, "guess", &dwim_new_local_branch, NULL,
+                 "second guess 'git checkout no-such-branch'",
+                 PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
                OPT_END(),
        };
        int has_dash_dash;
@@ -715,6 +720,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
                        if (has_dash_dash)          /* case (1) */
                                die("invalid reference: %s", arg);
                        if (!patch_mode &&
+                           dwim_new_local_branch &&
                            opts.track == BRANCH_TRACK_UNSPECIFIED &&
                            !opts.new_branch &&
                            !check_filename(NULL, arg) &&