$ git clone -n https://src.fedoraproject.org/rpms/golang-github-bruth-assert.git /var/lib/mock/f38-build-side-42-init-devel-642814-26393/root/chroot_tmpdir/scmroot/golang-github-bruth-assert
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-642814-26393/root/chroot_tmpdir/scmroot/golang-github-bruth-assert'...
$ git fetch origin c8877efc6e1e67b78e4bbb6f0b0d387785e03951:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-bruth-assert
 * [new ref]         c8877efc6e1e67b78e4bbb6f0b0d387785e03951 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8877ef Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild