$ git clone -n https://src.fedoraproject.org/rpms/golang-github-unknwon-com.git /var/lib/mock/f38-build-side-42-init-devel-1005128-29375/root/chroot_tmpdir/scmroot/golang-github-unknwon-com
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1005128-29375/root/chroot_tmpdir/scmroot/golang-github-unknwon-com'...
$ git fetch origin e60e14d9f6ca8dab607a2181340b7748a6af73ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-unknwon-com
 * [new ref]         e60e14d9f6ca8dab607a2181340b7748a6af73ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e60e14d Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild