$ git clone -n https://src.fedoraproject.org/rpms/corrosion.git /var/lib/mock/f39-build-1569356-37707/root/chroot_tmpdir/scmroot/corrosion
Cloning into '/var/lib/mock/f39-build-1569356-37707/root/chroot_tmpdir/scmroot/corrosion'...
$ git fetch origin a37e6a792d5d18b30fe31f78691cfc9faa99e061:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/corrosion
 * [new ref]         a37e6a792d5d18b30fe31f78691cfc9faa99e061 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a37e6a7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild