$ git clone -n https://src.fedoraproject.org/rpms/golang-github-google-jsonnet.git /var/lib/mock/f40-build-2281804-55499/root/chroot_tmpdir/scmroot/golang-github-google-jsonnet
Cloning into '/var/lib/mock/f40-build-2281804-55499/root/chroot_tmpdir/scmroot/golang-github-google-jsonnet'...
$ git fetch origin f75fc799d7e819695d7294b68de3895d4495a5ca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-google-jsonnet
 * [new ref]         f75fc799d7e819695d7294b68de3895d4495a5ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f75fc79 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild