$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jbenet-context.git /var/lib/mock/f38-build-side-42-init-devel-666956-26652/root/chroot_tmpdir/scmroot/golang-github-jbenet-context
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-666956-26652/root/chroot_tmpdir/scmroot/golang-github-jbenet-context'...
$ git fetch origin 835802ec84906b98e721e896690c3845b7ba6e2c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jbenet-context
 * [new ref]         835802ec84906b98e721e896690c3845b7ba6e2c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 835802e Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild