$ git clone -n https://src.fedoraproject.org/rpms/golang-github-googleapis-gax.git /var/lib/mock/f38-build-side-42-init-devel-578689-26019/root/chroot_tmpdir/scmroot/golang-github-googleapis-gax
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-578689-26019/root/chroot_tmpdir/scmroot/golang-github-googleapis-gax'...
$ git fetch origin 3ca4d03da246630c63219d102276f0dd63f661e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-googleapis-gax
 * [new ref]         3ca4d03da246630c63219d102276f0dd63f661e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ca4d03 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild