$ git clone -n https://src.fedoraproject.org/rpms/jetbrains-annotations.git /var/lib/mock/f41-build-side-1-3050286-37971/root/chroot_tmpdir/scmroot/jetbrains-annotations
Cloning into '/var/lib/mock/f41-build-side-1-3050286-37971/root/chroot_tmpdir/scmroot/jetbrains-annotations'...
$ git fetch origin 973231d38a8f8a0cded8caf2f81fec16db484df2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jetbrains-annotations
 * [new ref]         973231d38a8f8a0cded8caf2f81fec16db484df2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 973231d Version 26.0.1