$ git clone -n https://src.fedoraproject.org/rpms/barcode.git /var/lib/mock/f39-build-1535949-36252/root/chroot_tmpdir/scmroot/barcode
Cloning into '/var/lib/mock/f39-build-1535949-36252/root/chroot_tmpdir/scmroot/barcode'...
$ git fetch origin 42fb2fedc4ce819450a6dad4c9010b3b04ed7494:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/barcode
 * [new ref]         42fb2fedc4ce819450a6dad4c9010b3b04ed7494 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42fb2fe Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild