}
chomp(my $git_dir = `git rev-parse --git-dir 2>/dev/null`);
plan skip_all => "$0 must be run from a git working tree" if $?;
+
+# needed for alternates, and --absolute-git-dir is only in git 2.13+
$git_dir = abs_path($git_dir);
use_ok "PublicInbox::$_" for (qw(Inbox V2Writable MIME Git SolverGit));