$ git clone -n https://src.fedoraproject.org/rpms/ruby-mecab.git /var/lib/mock/f38-build-side-42-init-devel-662499-26636/root/chroot_tmpdir/scmroot/ruby-mecab
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-662499-26636/root/chroot_tmpdir/scmroot/ruby-mecab'...
$ git fetch origin 5460ee2c9e512f5d562548b83fda8f89d500001e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ruby-mecab
 * [new ref]         5460ee2c9e512f5d562548b83fda8f89d500001e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5460ee2 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild