$ git clone -n https://src.fedoraproject.org/rpms/mate-themes.git /var/lib/mock/f39-build-1464293-33489/root/chroot_tmpdir/scmroot/mate-themes
Cloning into '/var/lib/mock/f39-build-1464293-33489/root/chroot_tmpdir/scmroot/mate-themes'...
$ git fetch origin 48fdfdfb92ece11e894c6d1ca47fdb66bf4c3613:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mate-themes
 * [new ref]         48fdfdfb92ece11e894c6d1ca47fdb66bf4c3613 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48fdfdf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild