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

gitportable/usr/share/vim/vim91/indent/gitconfig.vim

@@ -0,0 +1,38 @@
+" Vim indent file
+" Language:	git config file
+" Maintainer:	Tim Pope <vimNOSPAM@tpope.org>
+" Last Change:	2017 Jun 13
+
+if exists("b:did_indent")
+  finish
+endif
+let b:did_indent = 1
+
+setlocal autoindent
+setlocal indentexpr=GetGitconfigIndent()
+setlocal indentkeys=o,O,*<Return>,0[,],0;,0#,=,!^F
+
+let b:undo_indent = 'setl ai< inde< indk<'
+
+" Only define the function once.
+if exists("*GetGitconfigIndent")
+  finish
+endif
+
+function! GetGitconfigIndent()
+  let sw    = shiftwidth()
+  let line  = getline(prevnonblank(v:lnum-1))
+  let cline = getline(v:lnum)
+  if line =~  '\\\@<!\%(\\\\\)*\\$'
+    " odd number of slashes, in a line continuation
+    return 2 * sw
+  elseif cline =~ '^\s*\['
+    return 0
+  elseif cline =~ '^\s*\a'
+    return sw
+  elseif cline == ''       && line =~ '^\['
+    return sw
+  else
+    return -1
+  endif
+endfunction