$ git clone -n https://src.fedoraproject.org/rpms/perl-Term-Shell.git /var/lib/mock/f39-build-1435099-31967/root/chroot_tmpdir/scmroot/perl-Term-Shell
Cloning into '/var/lib/mock/f39-build-1435099-31967/root/chroot_tmpdir/scmroot/perl-Term-Shell'...
$ git fetch origin f00dfa3fbfbe3f7efc3df31df382b4146aabef9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Term-Shell
 * [new ref]         f00dfa3fbfbe3f7efc3df31df382b4146aabef9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f00dfa3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild