$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Command.git /var/lib/mock/f40-build-2631153-65747/root/chroot_tmpdir/scmroot/perl-Test-Command
Cloning into '/var/lib/mock/f40-build-2631153-65747/root/chroot_tmpdir/scmroot/perl-Test-Command'...
$ git fetch origin 155fd1930e80bc7514d7689a03465e27d477e08c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Command
 * [new ref]         155fd1930e80bc7514d7689a03465e27d477e08c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 155fd19 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild