$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Exports.git /var/lib/mock/f39-build-1439580-32268/root/chroot_tmpdir/scmroot/perl-Test-Exports
Cloning into '/var/lib/mock/f39-build-1439580-32268/root/chroot_tmpdir/scmroot/perl-Test-Exports'...
$ git fetch origin 43d57b24b86df964d0ec167f9c9384811f101327:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Exports
 * [new ref]         43d57b24b86df964d0ec167f9c9384811f101327 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43d57b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild