$ git clone -n https://src.fedoraproject.org/rpms/gdk-pixbuf2-xlib.git /var/lib/mock/f40-build-2209484-52154/root/chroot_tmpdir/scmroot/gdk-pixbuf2-xlib
Cloning into '/var/lib/mock/f40-build-2209484-52154/root/chroot_tmpdir/scmroot/gdk-pixbuf2-xlib'...
$ git fetch origin 1df68596b9a90c1c6b497fb3cad8283180720bfe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gdk-pixbuf2-xlib
 * [new ref]         1df68596b9a90c1c6b497fb3cad8283180720bfe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1df6859 Convert license to SPDX format