$ git clone -n https://src.fedoraproject.org/rpms/jfbterm.git /var/lib/mock/f40-build-790079-136274/root/chroot_tmpdir/scmroot/jfbterm
Cloning into '/var/lib/mock/f40-build-790079-136274/root/chroot_tmpdir/scmroot/jfbterm'...
$ git fetch origin ddebfc1899b97f8f26c4186782c04ad7046b7a44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jfbterm
 * [new ref]         ddebfc1899b97f8f26c4186782c04ad7046b7a44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddebfc1 SPDX migration