made the pack completely portable and wrote relevent bat files to go with it

gitportable/usr/share/vim/vim91/ftplugin/gitrebase.vim

@@ -0,0 +1,45 @@
+" Vim filetype plugin
+" Language:	git rebase --interactive
+" Maintainer:	Tim Pope <vimNOSPAM@tpope.org>
+" Last Change:	2022 Jan 05
+
+" Only do this when not done yet for this buffer
+if (exists("b:did_ftplugin"))
+  finish
+endif
+
+let b:did_ftplugin = 1
+
+let &l:comments = ':' . (matchstr(getline('$'), '^[#;@!$%^&|:]\S\@!') . '#')[0]
+let &l:commentstring = &l:comments[1] . ' %s'
+setlocal formatoptions-=t
+setlocal nomodeline
+let b:undo_ftplugin = "setl com< cms< fo< ml<"
+
+function! s:choose(word) abort
+  s/^\(\w\+\>\)\=\(\s*\)\ze\x\{4,40\}\>/\=(strlen(submatch(1)) == 1 ? a:word[0] : a:word) . substitute(submatch(2),'^$',' ','')/e
+endfunction
+
+function! s:cycle(count) abort
+  let words = ['pick', 'edit', 'fixup', 'squash', 'reword', 'drop']
+  let index = index(map(copy(words), 'v:val[0]'), getline('.')[0])
+  let index = ((index < 0 ? 0 : index) + 10000 * len(words) + a:count) % len(words)
+  call s:choose(words[index])
+endfunction
+
+command! -buffer -bar -range Pick   :<line1>,<line2>call s:choose('pick')
+command! -buffer -bar -range Squash :<line1>,<line2>call s:choose('squash')
+command! -buffer -bar -range Edit   :<line1>,<line2>call s:choose('edit')
+command! -buffer -bar -range Reword :<line1>,<line2>call s:choose('reword')
+command! -buffer -bar -range Fixup  :<line1>,<line2>call s:choose('fixup')
+command! -buffer -bar -range Drop   :<line1>,<line2>call s:choose('drop')
+command! -buffer -count=1 -bar -bang Cycle call s:cycle(<bang>0 ? -<count> : <count>)
+
+if exists("g:no_plugin_maps") || exists("g:no_gitrebase_maps")
+  finish
+endif
+
+nnoremap <buffer> <silent> <C-A> :<C-U><C-R>=v:count1<CR>Cycle<CR>
+nnoremap <buffer> <silent> <C-X> :<C-U><C-R>=v:count1<CR>Cycle!<CR>
+
+let b:undo_ftplugin = b:undo_ftplugin . "|exe 'nunmap <buffer> <C-A>'|exe 'nunmap <buffer> <C-X>'"