$ git clone -n https://src.fedoraproject.org/rpms/perl-CGI-Ex.git /var/lib/mock/f39-build-1528754-36191/root/chroot_tmpdir/scmroot/perl-CGI-Ex
Cloning into '/var/lib/mock/f39-build-1528754-36191/root/chroot_tmpdir/scmroot/perl-CGI-Ex'...
$ git fetch origin 9e20840793dcec93e535c5faf698394e0590dd4c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CGI-Ex
 * [new ref]         9e20840793dcec93e535c5faf698394e0590dd4c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e20840 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild