$ git clone -n https://src.fedoraproject.org/rpms/xdg-desktop-portal-gtk.git /var/lib/mock/f39-build-1577754-37974/root/chroot_tmpdir/scmroot/xdg-desktop-portal-gtk
Cloning into '/var/lib/mock/f39-build-1577754-37974/root/chroot_tmpdir/scmroot/xdg-desktop-portal-gtk'...
$ git fetch origin c541d47dbf375db05ece30d19484f902823ee230:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdg-desktop-portal-gtk
 * [new ref]         c541d47dbf375db05ece30d19484f902823ee230 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c541d47 Update to 1.15.1 (#2245495)