$ git clone -n https://src.fedoraproject.org/rpms/vim-syntastic.git /var/lib/mock/f39-build-1558446-37305/root/chroot_tmpdir/scmroot/vim-syntastic
Cloning into '/var/lib/mock/f39-build-1558446-37305/root/chroot_tmpdir/scmroot/vim-syntastic'...
$ git fetch origin fd8fa0a20b98e005c79a247272ca3e87e52b18d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vim-syntastic
 * [new ref]         fd8fa0a20b98e005c79a247272ca3e87e52b18d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd8fa0a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild