$ git clone -n https://src.fedoraproject.org/rpms/yad.git /var/lib/mock/f41-build-846704-163186/root/chroot_tmpdir/scmroot/yad
Cloning into '/var/lib/mock/f41-build-846704-163186/root/chroot_tmpdir/scmroot/yad'...
$ git fetch origin 3a67e9ec74e44ed8db0b7dea723322fb10c59d95:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/yad
 * [new ref]         3a67e9ec74e44ed8db0b7dea723322fb10c59d95 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a67e9e Rebuild against gspell