Use sources_non_forked folder for pathogen path, with sources_non_forked_fallback folder as fallback.

sources_non_forked/ale/ale_linters/tcl/nagelfar.vim

@@ -1,39 +0,0 @@
-" Author: Nick James <github@nsjuk.xyz>
-" Description: nagelfar linter for tcl files
-
-call ale#Set('tcl_nagelfar_executable', 'nagelfar.tcl')
-call ale#Set('tcl_nagelfar_options', '')
-
-function! ale_linters#tcl#nagelfar#GetCommand(buffer) abort
-    let l:options = ale#Var(a:buffer, 'tcl_nagelfar_options')
-
-    return '%e' . ale#Pad(l:options) . ' %s'
-endfunction
-
-function! ale_linters#tcl#nagelfar#Handle(buffer, lines) abort
-    " Matches patterns like the following:
-    " Line   5: W Found constant "bepa" which is also a variable.
-    " Line  13: E Wrong number of arguments (3) to "set"
-    " Line  93: N Close brace not aligned with line 90 (4 0)
-    let l:pattern = '^Line\s\+\([0-9]\+\): \([NEW]\) \(.*\)$'
-    let l:output = []
-
-    for l:match in ale#util#GetMatches(a:lines, l:pattern)
-        call add(l:output, {
-        \   'lnum': l:match[1] + 0,
-        \   'type': l:match[2] is# 'N' ? 'W' : l:match[2],
-        \   'text': l:match[3],
-        \})
-    endfor
-
-    return l:output
-endfunction
-
-call ale#linter#Define('tcl', {
-\   'name': 'nagelfar',
-\   'output_stream': 'stdout',
-\   'executable': {b -> ale#Var(b, 'tcl_nagelfar_executable')},
-\   'command': function('ale_linters#tcl#nagelfar#GetCommand'),
-\   'callback': 'ale_linters#tcl#nagelfar#Handle',
-\   'lint_file': 1,
-\})