Merge branch 'jh/fast-import-notes'

diff --git a/builtin/checkout.c b/builtin/checkout.c
index 51840b9784f0daec21087ec101304eaa6cbf73cd..fdd2e0b9d8fc6781810fbf17db956997265f99ea 100644 (file)
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -34,6 +34,7 @@ struct checkout_opts {
        int force_detach;
        int writeout_stage;
        int writeout_error;
+       int overwrite_ignore;
 
        /* not set by parse_options */
        int branch_exists;
@@ -288,7 +289,7 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec,
            commit_locked_index(lock_file))
                die(_("unable to write new index file"));
 
-       resolve_ref("HEAD", rev, 0, &flag);
+       read_ref_full("HEAD", rev, 0, &flag);
        head = lookup_commit_reference_gently(rev, 1);
 
        errs |= post_checkout_hook(head, head, 0);
@@ -409,9 +410,11 @@ static int merge_working_tree(struct checkout_opts *opts,
                topts.gently = opts->merge && old->commit;
                topts.verbose_update = !opts->quiet;
                topts.fn = twoway_merge;
-               topts.dir = xcalloc(1, sizeof(*topts.dir));
-               topts.dir->flags |= DIR_SHOW_IGNORED;
-               setup_standard_excludes(topts.dir);
+               if (opts->overwrite_ignore) {
+                       topts.dir = xcalloc(1, sizeof(*topts.dir));
+                       topts.dir->flags |= DIR_SHOW_IGNORED;
+                       setup_standard_excludes(topts.dir);
+               }
                tree = parse_tree_indirect(old->commit ?
                                           old->commit->object.sha1 :
                                           EMPTY_TREE_SHA1_BIN);
@@ -540,7 +543,9 @@ static void update_refs_for_switch(struct checkout_opts *opts,
                else
                        create_branch(old->name, opts->new_branch, new->name,
                                      opts->new_branch_force ? 1 : 0,
-                                     opts->new_branch_log, opts->track);
+                                     opts->new_branch_log,
+                                     opts->new_branch_force ? 1 : 0,
+                                     opts->track);
                new->name = opts->new_branch;
                setup_branch_path(new);
        }
@@ -565,8 +570,12 @@ static void update_refs_for_switch(struct checkout_opts *opts,
                create_symref("HEAD", new->path, msg.buf);
                if (!opts->quiet) {
                        if (old->path && !strcmp(new->path, old->path)) {
-                               fprintf(stderr, _("Already on '%s'\n"),
-                                       new->name);
+                               if (opts->new_branch_force)
+                                       fprintf(stderr, _("Reset branch '%s'\n"),
+                                               new->name);
+                               else
+                                       fprintf(stderr, _("Already on '%s'\n"),
+                                               new->name);
                        } else if (opts->new_branch) {
                                if (opts->branch_exists)
                                        fprintf(stderr, _("Switched to and reset branch '%s'\n"), new->name);
@@ -699,7 +708,9 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new)
        unsigned char rev[20];
        int flag;
        memset(&old, 0, sizeof(old));
-       old.path = xstrdup(resolve_ref("HEAD", rev, 0, &flag));
+       old.path = resolve_ref("HEAD", rev, 0, &flag);
+       if (old.path)
+               old.path = xstrdup(old.path);
        old.commit = lookup_commit_reference_gently(rev, 1);
        if (!(flag & REF_ISSYMREF)) {
                free((char *)old.path);
@@ -866,7 +877,7 @@ static int parse_branchname_arg(int argc, const char **argv,
        setup_branch_path(new);
 
        if (!check_refname_format(new->path, 0) &&
-           resolve_ref(new->path, branch_rev, 1, NULL))
+           !read_ref(new->path, branch_rev))
                hashcpy(rev, branch_rev);
        else
                new->path = NULL; /* not an existing branch */
@@ -926,6 +937,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
                            3),
                OPT__FORCE(&opts.force, "force checkout (throw away local modifications)"),
                OPT_BOOLEAN('m', "merge", &opts.merge, "perform a 3-way merge with the new branch"),
+               OPT_BOOLEAN(0, "overwrite-ignore", &opts.overwrite_ignore, "update ignored files (default)"),
                OPT_STRING(0, "conflict", &conflict_style, "style",
                           "conflict style (merge or diff3)"),
                OPT_BOOLEAN('p', "patch", &patch_mode, "select hunks interactively"),
@@ -937,6 +949,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
 
        memset(&opts, 0, sizeof(opts));
        memset(&new, 0, sizeof(new));
+       opts.overwrite_ignore = 1;
 
        gitmodules_config();
        git_config(git_checkout_config, &opts);
@@ -1057,7 +1070,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
                struct strbuf buf = STRBUF_INIT;
 
                opts.branch_exists = validate_new_branchname(opts.new_branch, &buf,
-                                                            !!opts.new_branch_force, 0);
+                                                            !!opts.new_branch_force,
+                                                            !!opts.new_branch_force);
 
                strbuf_release(&buf);
        }