$ git clone -n https://src.fedoraproject.org/rpms/rust-gl_generator.git /var/lib/mock/f40-build-2325187-58802/root/chroot_tmpdir/scmroot/rust-gl_generator
Cloning into '/var/lib/mock/f40-build-2325187-58802/root/chroot_tmpdir/scmroot/rust-gl_generator'...
$ git fetch origin 03393d3d2e7be2f2260f9b6a3b44234e22a8fe9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gl_generator
 * [new ref]         03393d3d2e7be2f2260f9b6a3b44234e22a8fe9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03393d3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild