$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Taint.git /var/lib/mock/f40-build-778804-130100/root/chroot_tmpdir/scmroot/perl-Test-Taint
Cloning into '/var/lib/mock/f40-build-778804-130100/root/chroot_tmpdir/scmroot/perl-Test-Taint'...
$ git fetch origin 59af1c7b0c116f4ebf3ea44d05b640feec7fd6e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Taint
 * [new ref]         59af1c7b0c116f4ebf3ea44d05b640feec7fd6e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59af1c7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild