$ git clone -n https://src.fedoraproject.org/rpms/kgb-bot.git /var/lib/mock/f38-build-side-42-init-devel-868210-28440/root/chroot_tmpdir/scmroot/kgb-bot
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-868210-28440/root/chroot_tmpdir/scmroot/kgb-bot'...
$ git fetch origin c0f887cf7e3557f37f956f9dccf2a345b1b66c11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kgb-bot
 * [new ref]         c0f887cf7e3557f37f956f9dccf2a345b1b66c11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0f887c Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild