$ git clone -n https://src.fedoraproject.org/rpms/xdg-desktop-portal-gtk.git /var/lib/mock/f40-build-2225336-52815/root/chroot_tmpdir/scmroot/xdg-desktop-portal-gtk
Cloning into '/var/lib/mock/f40-build-2225336-52815/root/chroot_tmpdir/scmroot/xdg-desktop-portal-gtk'...
$ git fetch origin 55d243331bfd948fff753c5c29499430c04909a9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdg-desktop-portal-gtk
 * [new ref]         55d243331bfd948fff753c5c29499430c04909a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55d2433 Exclude i686