$ git clone -n https://src.fedoraproject.org/rpms/perl-Taint-Util.git /var/lib/mock/f40-build-779561-130370/root/chroot_tmpdir/scmroot/perl-Taint-Util
Cloning into '/var/lib/mock/f40-build-779561-130370/root/chroot_tmpdir/scmroot/perl-Taint-Util'...
$ git fetch origin 9f819bcf5d16171f17616859a3444680cafe76bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Taint-Util
 * [new ref]         9f819bcf5d16171f17616859a3444680cafe76bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f819bc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild