$ git clone -n https://src.fedoraproject.org/rpms/SDL2_Pango.git /var/lib/mock/f40-build-2206203-52039/root/chroot_tmpdir/scmroot/SDL2_Pango
Cloning into '/var/lib/mock/f40-build-2206203-52039/root/chroot_tmpdir/scmroot/SDL2_Pango'...
$ git fetch origin 47f2fb35b01bb3b327f76742e46c8815dce4fde1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/SDL2_Pango
 * [new ref]         47f2fb35b01bb3b327f76742e46c8815dce4fde1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47f2fb3 Fix BuildRequires