$ git clone -n https://src.fedoraproject.org/rpms/java-diff-utils.git /var/lib/mock/f38-build-side-42-init-devel-706474-27170/root/chroot_tmpdir/scmroot/java-diff-utils
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-706474-27170/root/chroot_tmpdir/scmroot/java-diff-utils'...
$ git fetch origin 94da345b2294f09ec3e9a1df48b99a6a985a35a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/java-diff-utils
 * [new ref]         94da345b2294f09ec3e9a1df48b99a6a985a35a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94da345 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild