Added all new files

.gitignore

@@ -1,4 +1,11 @@
+# File manager history
 .netrwhist
+
+# Directory where my swap/undo files are stored
 .vim/
+
+# Where plugins are installed; can be done locally
 plugged/
+
+# Old file after updating plug.vim
 plug.vim.old

autoload/plug.vim

@@ -1078,8 +1078,9 @@ function! s:checkout(spec)
   let sha = a:spec.commit
   let output = s:git_revision(a:spec.dir)
   if !empty(output) && !s:hash_match(sha, s:lines(output)[0])
+    let credential_helper = s:git_version_requirement(2) ? '-c credential.helper= ' : ''
     let output = s:system(
-          \ 'git -c credential.helper= fetch --depth 999999 && git checkout '.plug#shellescape(sha).' --', a:spec.dir)
+          \ 'git '.credential_helper.'fetch --depth 999999 && git checkout '.plug#shellescape(sha).' --', a:spec.dir)
   endif
   return output
 endfunction
@@ -1531,7 +1532,7 @@ while 1 " Without TCO, Vim stack is bound to explode
     let [error, _] = s:git_validate(spec, 0)
     if empty(error)
       if pull
-        let cmd = ['git', 'fetch']
+        let cmd = s:git_version_requirement(2) ? ['git', '-c', 'credential.helper=', 'fetch'] : ['git', 'fetch']
         if has_tag && !empty(globpath(spec.dir, '.git/shallow'))
           call extend(cmd, ['--depth', '99999999'])
         endif
@@ -1847,7 +1848,7 @@ class Plugin(object):
       self.write(Action.UPDATE, self.name, ['Updating ...'])
       callback = functools.partial(self.write, Action.UPDATE, self.name)
       fetch_opt = '--depth 99999999' if self.tag and os.path.isfile(os.path.join(self.args['dir'], '.git/shallow')) else ''
-      cmd = 'git -c credential.helper= fetch {0} {1} 2>&1'.format(fetch_opt, G_PROGRESS)
+      cmd = 'git fetch {0} {1} 2>&1'.format(fetch_opt, G_PROGRESS)
       com = Command(cmd, self.args['dir'], G_TIMEOUT, callback)
       result = com.execute(G_RETRIES)
       self.write(Action.DONE, self.name, result[-1:])
@@ -2155,7 +2156,7 @@ function! s:update_ruby()
                 if pull
                   log.call name, 'Updating ...', :update
                   fetch_opt = (tag && File.exist?(File.join(dir, '.git/shallow'))) ? '--depth 99999999' : ''
-                  bt.call "#{chdir} && git -c credential.helper= fetch #{fetch_opt} #{progress} 2>&1", name, :update, nil
+                  bt.call "#{chdir} && git fetch #{fetch_opt} #{progress} 2>&1", name, :update, nil
                 else
                   [true, skip]
                 end

coc-settings.json

@@ -1,25 +1,10 @@
 {
     "languageserver": {
-        "ccls": {
-            "command": "ccls",
-            "filetypes": [
-                "c",
-                "cpp",
-                "objc",
-                "objcpp"
-            ],
-            "rootPatterns": [
-                ".ccls",
-                "compile_commands.json",
-                ".vim/",
-                ".git/",
-                ".hg/"
-            ],
-            "initializationOptions": {
-                "cache": {
-                    "directory": "/tmp/ccls"
-                }
-            }
+        "haskell": {
+            "command": "haskell-language-server-wrapper",
+            "args": ["--lsp"],
+            "rootPatterns": ["*.cabal", "stack.yaml", "cabal.project", "package.yaml", "hie.yaml"],
+            "filetypes": ["haskell", "lhaskell"]
         }
     }
 }

coc-settings.json.back

@@ -0,0 +1,31 @@
+{
+    "languageserver": {
+        "ccls": {
+            "command": "ccls",
+            "filetypes": [
+                "c",
+                "cpp",
+                "objc",
+                "objcpp"
+            ],
+            "rootPatterns": [
+                ".ccls",
+                "compile_commands.json",
+                ".vim/",
+                ".git/",
+                ".hg/"
+            ],
+            "initializationOptions": {
+                "cache": {
+                    "directory": "/tmp/ccls"
+                }
+            }
+        },
+        "haskell": {
+            "command": "haskell-language-server-wrapper",
+            "args": ["--lsp"],
+            "rootPatterns": ["*.cabal", "stack.yaml", "cabal.project", "package.yaml", "hie.yaml"],
+            "filetypes": ["haskell", "lhaskell"]
+        }
+    }
+}

ftplugin/c.vim

@@ -0,0 +1,2 @@
+setlocal colorcolumn=80
+setlocal textwidth=79

ftplugin/cpp.vim

@@ -0,0 +1,2 @@
+setlocal colorcolumn=80
+setlocal textwidth=79

ftplugin/lua.vim

@@ -0,0 +1,2 @@
+set textwidth=79
+set colorcolumn=80

ftplugin/markdown.vim

@@ -1,7 +1,7 @@
 " Show a visual line at width 120
-setlocal colorcolumn=120
+setlocal colorcolumn=80
 " This auto-wraps the lines after it's reached more than 119 characters.
-setlocal textwidth=119
+setlocal textwidth=79
 
 " Spellcheck
 " Turn on spell check

init/plugins.vim

@@ -4,7 +4,7 @@ call plug#begin('~/.config/nvim/plugged')
 
 " Gutentags creates a ctags file asynchronously. This allows me to jump to
 " definitions easily.
-Plug 'ludovicchabant/vim-gutentags', { 'commit': '31c0ead' }
+" Plug 'ludovicchabant/vim-gutentags', { 'commit': '31c0ead' }
 
 " File navigation
 Plug 'ctrlpvim/ctrlp.vim'
@@ -58,4 +58,6 @@ Plug 'godlygeek/tabular'
 " Some auto-complete for haskell
 Plug 'neovimhaskell/haskell-vim'
 
+Plug 'vmchale/ion-vim'
+
 call plug#end()

init/settings.vim

@@ -55,3 +55,6 @@ set undodir=./.vim/undo//
 
 " Increases speed of CoC and Gitgutter
 set updatetime=250
+
+" Make Vim use pipes instead of temp files when running commands
+" set noshelltemp