$ git clone -n https://src.fedoraproject.org/rpms/perl-IPC-Signal.git /var/lib/mock/f40-build-2305263-57074/root/chroot_tmpdir/scmroot/perl-IPC-Signal
Cloning into '/var/lib/mock/f40-build-2305263-57074/root/chroot_tmpdir/scmroot/perl-IPC-Signal'...
$ git fetch origin 58518280e49c36b2ab036ef85d9ed12bbba38f36:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-IPC-Signal
 * [new ref]         58518280e49c36b2ab036ef85d9ed12bbba38f36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5851828 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild