$ git clone -n https://src.fedoraproject.org/rpms/iscan-firmware.git /var/lib/mock/f39-build-2433584-60579/root/chroot_tmpdir/scmroot/iscan-firmware
Cloning into '/var/lib/mock/f39-build-2433584-60579/root/chroot_tmpdir/scmroot/iscan-firmware'...
$ git fetch origin 5d820e0287db6aa4de624e60f39504734bcc63f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/iscan-firmware
 * [new ref]         5d820e0287db6aa4de624e60f39504734bcc63f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d820e0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild