$ git clone -n https://src.fedoraproject.org/rpms/perl-ExtUtils-LibBuilder.git /var/lib/mock/f40-build-2623903-65022/root/chroot_tmpdir/scmroot/perl-ExtUtils-LibBuilder
Cloning into '/var/lib/mock/f40-build-2623903-65022/root/chroot_tmpdir/scmroot/perl-ExtUtils-LibBuilder'...
$ git fetch origin ed9df0c7397649e8fa3c5a23fff0f31b5876859c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-ExtUtils-LibBuilder
 * [new ref]         ed9df0c7397649e8fa3c5a23fff0f31b5876859c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed9df0c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild