$ git clone -n https://src.fedoraproject.org/rpms/perl-Lexical-Var.git /var/lib/mock/f41-build-817508-150802/root/chroot_tmpdir/scmroot/perl-Lexical-Var
Cloning into '/var/lib/mock/f41-build-817508-150802/root/chroot_tmpdir/scmroot/perl-Lexical-Var'...
$ git fetch origin dae439b3ecd9b39b9d5d691419a59ef6300336f1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Lexical-Var
 * [new ref]         dae439b3ecd9b39b9d5d691419a59ef6300336f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dae439b Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild