$ git clone -n https://src.fedoraproject.org/rpms/rpmdevtools.git /var/lib/mock/f39-build-1530756-36198/root/chroot_tmpdir/scmroot/rpmdevtools
Cloning into '/var/lib/mock/f39-build-1530756-36198/root/chroot_tmpdir/scmroot/rpmdevtools'...
$ git fetch origin 3f4f7d2e30c70b74b9e6bc4fabc27298b04aeedb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpmdevtools
 * [new ref]         3f4f7d2e30c70b74b9e6bc4fabc27298b04aeedb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f4f7d2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild