$ git clone -n https://src.fedoraproject.org/rpms/golang-github-gobuffalo-packd.git /var/lib/mock/f45-build-11949-436/root/chroot_tmpdir/scmroot/golang-github-gobuffalo-packd
Cloning into '/var/lib/mock/f45-build-11949-436/root/chroot_tmpdir/scmroot/golang-github-gobuffalo-packd'...
$ git fetch origin b4900961c570993456c235cf80db6b33a1cce4c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-gobuffalo-packd
 * [new ref]         b4900961c570993456c235cf80db6b33a1cce4c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b490096 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild