$ git clone -n https://src.fedoraproject.org/rpms/postgrey.git /var/lib/mock/f40-build-2311771-57530/root/chroot_tmpdir/scmroot/postgrey
Cloning into '/var/lib/mock/f40-build-2311771-57530/root/chroot_tmpdir/scmroot/postgrey'...
$ git fetch origin edd42372f7148000b0d53328a51c26eea73b7f61:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/postgrey
 * [new ref]         edd42372f7148000b0d53328a51c26eea73b7f61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at edd4237 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild