$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-ECB.git /var/lib/mock/f40-build-2016172-46160/root/chroot_tmpdir/scmroot/perl-Crypt-ECB
Cloning into '/var/lib/mock/f40-build-2016172-46160/root/chroot_tmpdir/scmroot/perl-Crypt-ECB'...
$ git fetch origin 5dcf00009cd627bc3e5dc3ac4c8aa07ac044fe24:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-ECB
 * [new ref]         5dcf00009cd627bc3e5dc3ac4c8aa07ac044fe24 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5dcf000 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild