From a9f4901e25ccb3f04fcf14e71d7e763ce3746126 Mon Sep 17 00:00:00 2001
From: Jakub Fojt <jakub.fojt96@gmail.com>
Date: Sat, 4 Jul 2020 21:24:48 +0200
Subject: [PATCH] vimrc: Disable gutentags when ctags unavailable

---
 .vimrc | 124 +++++++++++++++++++++++++++++----------------------------
 1 file changed, 64 insertions(+), 60 deletions(-)

diff --git a/.vimrc b/.vimrc
index b496415..fa524da 100755
--- a/.vimrc
+++ b/.vimrc
@@ -113,71 +113,75 @@ command! -bang -range=% -complete=file -nargs=* W <line1>,<line2>write<bang> <ar
 command! -bang Q quit<bang>
 
 " Gutentags configuration
-let g:gutentags_add_default_project_roots = 0
-let g:gutentags_project_root = ['.git']
+if !executable('ctags')
+    let g:gutentags_enabled = 0
+else
+    let g:gutentags_add_default_project_roots = 0
+    let g:gutentags_project_root = ['.git']
 
-let g:gutentags_generate_on_new = 1
-let g:gutentags_generate_on_missing = 1
-let g:gutentags_generate_on_write = 1
-let g:gutentags_generate_on_empty_buffer = 0
+    let g:gutentags_generate_on_new = 1
+    let g:gutentags_generate_on_missing = 1
+    let g:gutentags_generate_on_write = 1
+    let g:gutentags_generate_on_empty_buffer = 0
 
-" Put all tags in one place
-let g:gutentags_cache_dir = expand('~/.cache/vim/ctags/')
+    " Put all tags in one place
+    let g:gutentags_cache_dir = expand('~/.cache/vim/ctags/')
 
-" Extra tag information
-let g:gutentags_ctags_extra_args = [
-      \ '--tag-relative=yes',
-      \ '--fields=+ailmnS',
-      \ ]
+    " Extra tag information
+    let g:gutentags_ctags_extra_args = [
+          \ '--tag-relative=yes',
+          \ '--fields=+ailmnS',
+          \ ]
 
-let g:gutentags_ctags_exclude = [
-      \ '*.git', '*.svg', '*.hg',
-      \ '*/tests/*',
-      \ 'build',
-      \ 'dist',
-      \ '*sites/*/files/*',
-      \ 'bin',
-      \ 'node_modules',
-      \ 'bower_components',
-      \ 'cache',
-      \ 'compiled',
-      \ 'docs',
-      \ 'example',
-      \ 'bundle',
-      \ 'vendor',
-      \ '*.md',
-      \ '*-lock.json',
-      \ '*.lock',
-      \ '*bundle*.js',
-      \ '*build*.js',
-      \ '.*rc*',
-      \ '*.json',
-      \ '*.min.*',
-      \ '*.map',
-      \ '*.bak',
-      \ '*.zip',
-      \ '*.pyc',
-      \ '*.class',
-      \ '*.sln',
-      \ '*.Master',
-      \ '*.csproj',
-      \ '*.tmp',
-      \ '*.csproj.user',
-      \ '*.cache',
-      \ '*.pdb',
-      \ 'tags*',
-      \ 'cscope.*',
-      \ '*.css',
-      \ '*.less',
-      \ '*.scss',
-      \ '*.exe', '*.dll',
-      \ '*.mp3', '*.ogg', '*.flac',
-      \ '*.swp', '*.swo',
-      \ '*.bmp', '*.gif', '*.ico', '*.jpg', '*.png',
-      \ '*.rar', '*.zip', '*.tar', '*.tar.gz', '*.tar.xz', '*.tar.bz2',
-      \ '*.pdf', '*.doc', '*.docx', '*.ppt', '*.pptx',
-      \ ]
+    let g:gutentags_ctags_exclude = [
+          \ '*.git', '*.svg', '*.hg',
+          \ '*/tests/*',
+          \ 'build',
+          \ 'dist',
+          \ '*sites/*/files/*',
+          \ 'bin',
+          \ 'node_modules',
+          \ 'bower_components',
+          \ 'cache',
+          \ 'compiled',
+          \ 'docs',
+          \ 'example',
+          \ 'bundle',
+          \ 'vendor',
+          \ '*.md',
+          \ '*-lock.json',
+          \ '*.lock',
+          \ '*bundle*.js',
+          \ '*build*.js',
+          \ '.*rc*',
+          \ '*.json',
+          \ '*.min.*',
+          \ '*.map',
+          \ '*.bak',
+          \ '*.zip',
+          \ '*.pyc',
+          \ '*.class',
+          \ '*.sln',
+          \ '*.Master',
+          \ '*.csproj',
+          \ '*.tmp',
+          \ '*.csproj.user',
+          \ '*.cache',
+          \ '*.pdb',
+          \ 'tags*',
+          \ 'cscope.*',
+          \ '*.css',
+          \ '*.less',
+          \ '*.scss',
+          \ '*.exe', '*.dll',
+          \ '*.mp3', '*.ogg', '*.flac',
+          \ '*.swp', '*.swo',
+          \ '*.bmp', '*.gif', '*.ico', '*.jpg', '*.png',
+          \ '*.rar', '*.zip', '*.tar', '*.tar.gz', '*.tar.xz', '*.tar.bz2',
+          \ '*.pdf', '*.doc', '*.docx', '*.ppt', '*.pptx',
+          \ ]
 
+endif
 
 " fugitive.vim looks for tags in .git
 " set tags +=~/tags " Recursively move upwards in tree, searching in subfolders for tags file