$ git clone -n https://src.fedoraproject.org/rpms/fpc.git /var/lib/mock/f38-build-side-42-init-devel-989262-29088/root/chroot_tmpdir/scmroot/fpc
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-989262-29088/root/chroot_tmpdir/scmroot/fpc'...
$ git fetch origin 3ae45ad9f57adca9d95387064710f017f9e580c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fpc
 * [new ref]         3ae45ad9f57adca9d95387064710f017f9e580c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ae45ad Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild