$ git clone -n https://src.fedoraproject.org/rpms/golang-github-t3rm1n4l-mega.git /var/lib/mock/f38-build-side-42-init-devel-659226-26622/root/chroot_tmpdir/scmroot/golang-github-t3rm1n4l-mega
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-659226-26622/root/chroot_tmpdir/scmroot/golang-github-t3rm1n4l-mega'...
$ git fetch origin ca33aa0cf9e6dcb1a678fe0d386f255fed42c8b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-t3rm1n4l-mega
 * [new ref]         ca33aa0cf9e6dcb1a678fe0d386f255fed42c8b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca33aa0 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild