$ git clone -n https://src.fedoraproject.org/rpms/mate-themes.git /var/lib/mock/f40-build-2610308-63865/root/chroot_tmpdir/scmroot/mate-themes
Cloning into '/var/lib/mock/f40-build-2610308-63865/root/chroot_tmpdir/scmroot/mate-themes'...
$ git fetch origin f19368764fd4c8a2bf8a9a6dd8414e5ce85a249b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mate-themes
 * [new ref]         f19368764fd4c8a2bf8a9a6dd8414e5ce85a249b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f193687 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild