$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Stream-Bulk.git /var/lib/mock/f39-build-1453144-32872/root/chroot_tmpdir/scmroot/perl-Data-Stream-Bulk
Cloning into '/var/lib/mock/f39-build-1453144-32872/root/chroot_tmpdir/scmroot/perl-Data-Stream-Bulk'...
$ git fetch origin 7e6fef9a83e63a9332718a3e4c77dc7186fe8cbe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Stream-Bulk
 * [new ref]         7e6fef9a83e63a9332718a3e4c77dc7186fe8cbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e6fef9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild