$ git clone -n https://src.fedoraproject.org/rpms/jakarta-server-pages.git /var/lib/mock/f42-build-3340394-44984/root/chroot_tmpdir/scmroot/jakarta-server-pages
Cloning into '/var/lib/mock/f42-build-3340394-44984/root/chroot_tmpdir/scmroot/jakarta-server-pages'...
$ git fetch origin 47746455497887d90c79383db1e3e9191ac72f09:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jakarta-server-pages
 * [new ref]         47746455497887d90c79383db1e3e9191ac72f09 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4774645 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild