1 files changed, 13 insertions, 14 deletions

diff --git a/builtin/checkout.c b/builtin/checkout.c
index 72beeb49aa..cc804ba8e1 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -464,10 +464,10 @@ static int checkout_paths(const struct checkout_opts *opts,
 		die(_("'%s' cannot be used with updating paths"), "--detach");
 
 	if (opts->merge && opts->patch_mode)
-		die(_("'%s' cannot be used with %s"), "--merge", "--patch");
+		die(_("options '%s' and '%s' cannot be used together"), "--merge", "--patch");
 
 	if (opts->ignore_unmerged && opts->merge)
-		die(_("'%s' cannot be used with %s"),
+		die(_("options '%s' and '%s' cannot be used together"),
 		    opts->ignore_unmerged_opt, "-m");
 
 	if (opts->new_branch)
@@ -1094,9 +1094,6 @@ static int switch_branches(const struct checkout_opts *opts,
 		const char *p;
 		if (skip_prefix(old_branch_info.path, prefix, &p))
 			old_branch_info.name = xstrdup(p);
-		else
-			BUG("should be able to skip past '%s' in '%s'!",
-			    prefix, old_branch_info.path);
 	}
 
 	if (opts->new_orphan_branch && opts->orphan_from_empty_tree) {
@@ -1549,8 +1546,10 @@ static struct option *add_common_switch_branch_options(
 {
 	struct option options[] = {
 		OPT_BOOL('d', "detach", &opts->force_detach, N_("detach HEAD at named commit")),
-		OPT_SET_INT('t', "track",  &opts->track, N_("set upstream info for new branch"),
-			BRANCH_TRACK_EXPLICIT),
+		OPT_CALLBACK_F('t', "track",  &opts->track, "(direct|inherit)",
+			N_("set branch tracking configuration"),
+			PARSE_OPT_OPTARG,
+			parse_opt_tracking_mode),
 		OPT__FORCE(&opts->force, N_("force checkout (throw away local modifications)"),
 			   PARSE_OPT_NOCOMPLETE),
 		OPT_STRING(0, "orphan", &opts->new_orphan_branch, N_("new-branch"), N_("new unparented branch")),
@@ -1635,11 +1634,11 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
 	}
 
 	if ((!!opts->new_branch + !!opts->new_branch_force + !!opts->new_orphan_branch) > 1)
-		die(_("-%c, -%c and --orphan are mutually exclusive"),
-				cb_option, toupper(cb_option));
+		die(_("options '-%c', '-%c', and '%s' cannot be used together"),
+			cb_option, toupper(cb_option), "--orphan");
 
 	if (opts->overlay_mode == 1 && opts->patch_mode)
-		die(_("-p and --overlay are mutually exclusive"));
+		die(_("options '%s' and '%s' cannot be used together"), "-p", "--overlay");
 
 	if (opts->checkout_index >= 0 || opts->checkout_worktree >= 0) {
 		if (opts->checkout_index < 0)
@@ -1746,19 +1745,19 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
 
 	if (opts->pathspec_from_file) {
 		if (opts->pathspec.nr)
-			die(_("--pathspec-from-file is incompatible with pathspec arguments"));
+			die(_("'%s' and pathspec arguments cannot be used together"), "--pathspec-from-file");
 
 		if (opts->force_detach)
-			die(_("--pathspec-from-file is incompatible with --detach"));
+			die(_("options '%s' and '%s' cannot be used together"), "--pathspec-from-file", "--detach");
 
 		if (opts->patch_mode)
-			die(_("--pathspec-from-file is incompatible with --patch"));
+			die(_("options '%s' and '%s' cannot be used together"), "--pathspec-from-file", "--patch");
 
 		parse_pathspec_file(&opts->pathspec, 0,
 				    0,
 				    prefix, opts->pathspec_from_file, opts->pathspec_file_nul);
 	} else if (opts->pathspec_file_nul) {
-		die(_("--pathspec-file-nul requires --pathspec-from-file"));
+		die(_("the option '%s' requires '%s'"), "--pathspec-file-nul", "--pathspec-from-file");
 	}
 
 	opts->pathspec.recursive = 1;