$ git clone -n https://src.fedoraproject.org/rpms/jsr-305.git /var/lib/mock/f38-build-side-42-init-devel-799733-28100/root/chroot_tmpdir/scmroot/jsr-305
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-799733-28100/root/chroot_tmpdir/scmroot/jsr-305'...
$ git fetch origin f562a6a4e804ac6d83f6ec9fb4b7e51da4bbfff2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jsr-305
 * [new ref]         f562a6a4e804ac6d83f6ec9fb4b7e51da4bbfff2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f562a6a Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild