$ git clone -n https://src.fedoraproject.org/rpms/perl-Signal-Mask.git /var/lib/mock/f40-build-2308246-57285/root/chroot_tmpdir/scmroot/perl-Signal-Mask
Cloning into '/var/lib/mock/f40-build-2308246-57285/root/chroot_tmpdir/scmroot/perl-Signal-Mask'...
$ git fetch origin 22f2a03cb85239ea9bdf6b5f8fa89acd8b61a862:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Signal-Mask
 * [new ref]         22f2a03cb85239ea9bdf6b5f8fa89acd8b61a862 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 22f2a03 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild