$ git clone -n https://src.fedoraproject.org/rpms/perl-Task-Weaken.git /var/lib/mock/f39-build-1435065-31967/root/chroot_tmpdir/scmroot/perl-Task-Weaken
Cloning into '/var/lib/mock/f39-build-1435065-31967/root/chroot_tmpdir/scmroot/perl-Task-Weaken'...
$ git fetch origin 1a03e9d590ffea4aef557640d873723fc1ad8ed8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Task-Weaken
 * [new ref]         1a03e9d590ffea4aef557640d873723fc1ad8ed8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a03e9d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild