$ git clone -n https://src.fedoraproject.org/rpms/rust-zram-generator.git /var/lib/mock/f40-build-2270199-54793/root/chroot_tmpdir/scmroot/rust-zram-generator
Cloning into '/var/lib/mock/f40-build-2270199-54793/root/chroot_tmpdir/scmroot/rust-zram-generator'...
$ git fetch origin 8965e490814a059dacc026acf25460870b4f9a94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-zram-generator
 * [new ref]         8965e490814a059dacc026acf25460870b4f9a94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8965e49 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild