$ git clone -n https://src.fedoraproject.org/rpms/xdg-desktop-portal-kde.git /var/lib/mock/f39-build-1503633-34980/root/chroot_tmpdir/scmroot/xdg-desktop-portal-kde
Cloning into '/var/lib/mock/f39-build-1503633-34980/root/chroot_tmpdir/scmroot/xdg-desktop-portal-kde'...
$ git fetch origin b94ccddf6be870114d53260389d3d77fc94f5a0b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdg-desktop-portal-kde
 * [new ref]         b94ccddf6be870114d53260389d3d77fc94f5a0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b94ccdd Minor whitespace fix