$ git clone -n https://src.fedoraproject.org/rpms/gfs-jackson-fonts.git /var/lib/mock/f39-build-1684320-41060/root/chroot_tmpdir/scmroot/gfs-jackson-fonts
Cloning into '/var/lib/mock/f39-build-1684320-41060/root/chroot_tmpdir/scmroot/gfs-jackson-fonts'...
$ git fetch origin 3f24d2b820366a34976f1862d82502c7e3f61709:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gfs-jackson-fonts
 * [new ref]         3f24d2b820366a34976f1862d82502c7e3f61709 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f24d2b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild