$ git clone -n https://src.fedoraproject.org/rpms/extundelete.git /var/lib/mock/f45-build-8557-391/root/chroot_tmpdir/scmroot/extundelete
Cloning into '/var/lib/mock/f45-build-8557-391/root/chroot_tmpdir/scmroot/extundelete'...
$ git fetch origin 475c70a6fa35ef89d4535fb335974d31a0bf7191:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/extundelete
 * [new ref]         475c70a6fa35ef89d4535fb335974d31a0bf7191 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 475c70a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild