$ git clone -n https://src.fedoraproject.org/rpms/rust-assert-json-diff.git /var/lib/mock/f38-build-side-43-rust-devel-1414841-31451/root/chroot_tmpdir/scmroot/rust-assert-json-diff
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1414841-31451/root/chroot_tmpdir/scmroot/rust-assert-json-diff'...
$ git fetch origin 770a507b0e3fcb630e86610143231b840a4de4f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-assert-json-diff
 * [new ref]         770a507b0e3fcb630e86610143231b840a4de4f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 770a507 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild