$ git clone -n https://src.fedoraproject.org/rpms/rubygem-jekyll-git-authors.git /var/lib/mock/f38-build-side-42-init-devel-611520-26270/root/chroot_tmpdir/scmroot/rubygem-jekyll-git-authors
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-611520-26270/root/chroot_tmpdir/scmroot/rubygem-jekyll-git-authors'...
$ git fetch origin 0477b3b8d905d8c68ebe4d79a020d36aa00dc8d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-jekyll-git-authors
 * [new ref]         0477b3b8d905d8c68ebe4d79a020d36aa00dc8d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0477b3b Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild