$ git clone -n https://src.fedoraproject.org/rpms/rust-encoding_index_tests.git /var/lib/mock/f40-build-2036126-48007/root/chroot_tmpdir/scmroot/rust-encoding_index_tests
Cloning into '/var/lib/mock/f40-build-2036126-48007/root/chroot_tmpdir/scmroot/rust-encoding_index_tests'...
$ git fetch origin f2d29c293f5b3ab67d79eac2eb31dfd176a5aa9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-encoding_index_tests
 * [new ref]         f2d29c293f5b3ab67d79eac2eb31dfd176a5aa9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2d29c2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild