$ git clone -n https://src.fedoraproject.org/rpms/golang-github-benbjohnson-immutable.git /var/lib/mock/f38-build-side-42-init-devel-852658-28426/root/chroot_tmpdir/scmroot/golang-github-benbjohnson-immutable
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-852658-28426/root/chroot_tmpdir/scmroot/golang-github-benbjohnson-immutable'...
$ git fetch origin 63ca2e50963ca5670c50383ae0c9d588516b2fba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-benbjohnson-immutable
 * [new ref]         63ca2e50963ca5670c50383ae0c9d588516b2fba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 63ca2e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild