$ git clone -n https://src.fedoraproject.org/rpms/rubygem-tins.git /var/lib/mock/f39-build-1499431-34744/root/chroot_tmpdir/scmroot/rubygem-tins
Cloning into '/var/lib/mock/f39-build-1499431-34744/root/chroot_tmpdir/scmroot/rubygem-tins'...
$ git fetch origin 05e716950218f817365026783c8cb8f92c17b66c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-tins
 * [new ref]         05e716950218f817365026783c8cb8f92c17b66c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05e7169 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild