$ git clone -n https://src.fedoraproject.org/rpms/golang-github-lightstep-tracer.git /var/lib/mock/f38-build-side-42-init-devel-625513-26368/root/chroot_tmpdir/scmroot/golang-github-lightstep-tracer
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-625513-26368/root/chroot_tmpdir/scmroot/golang-github-lightstep-tracer'...
$ git fetch origin 85c2f157c64693b904abab062c23a2540101444e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-lightstep-tracer
 * [new ref]         85c2f157c64693b904abab062c23a2540101444e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85c2f15 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild