From 72a19ed9edb252b685dcf14fe0724d37756cab65 Mon Sep 17 00:00:00 2001
From: Carlo Delle Donne <carlo.delle.donne@gmail.com>
Date: Fri, 17 Jul 2020 15:14:40 +0200
Subject: [PATCH] Add support for cdelledonne/vim-cmake

---
 CHANGELOG.md                             |  1 +
 README.md                                |  4 ++++
 autoload/airline/extensions.vim          |  6 +++++
 autoload/airline/extensions/vimcmake.vim | 30 ++++++++++++++++++++++++
 doc/airline.txt                          |  6 +++++
 5 files changed, 47 insertions(+)
 create mode 100644 autoload/airline/extensions/vimcmake.vim

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d0fbef5..620a04a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ This is the Changelog for the vim-airline project.
     - [OmniSharp](https://github.com/OmniSharp/omnisharp-vim) support
     - [searchcount](https://vim-jp.org/vimdoc-en/eval.html#searchcount())  support
     - [fern.vim](https://github.com/lambdalisue/fern.vim) support
+    - [Vim-CMake](https://github.com/cdelledonne/vim-cmake) support
 - Improvements
   - git branch can also be displayed using [gina.vim](https://github.com/lambdalisue/gina.vim)
   - coc extensions can also show additional status messages
diff --git a/README.md b/README.md
index c5d6a168..3e898f0b 100644
--- a/README.md
+++ b/README.md
@@ -188,6 +188,9 @@ vim-airline integrates with a variety of plugins out of the box.  These extensio
 #### [LanguageClient][57]
 ![image](https://user-images.githubusercontent.com/9622/45275524-52f45c00-b48b-11e8-8b83-a66240b10747.gif)
 
+#### [Vim-CMake][60]
+![image](https://user-images.githubusercontent.com/24732205/87788512-c876a380-c83d-11ea-9ee3-5f639f986a8f.png)
+
 ## Extras
 
 vim-airline also supplies some supplementary stand-alone extensions.  In addition to the tabline extension mentioned earlier, there is also:
@@ -353,3 +356,4 @@ If you are interested in becoming a maintainer (we always welcome more maintaine
 [57]: https://github.com/autozimu/LanguageClient-neovim
 [58]: https://github.com/vim-airline/vim-airline/blob/master/LICENSE
 [59]: https://github.com/neoclide/coc-git
+[60]: https://github.com/cdelledonne/vim-cmake
diff --git a/autoload/airline/extensions.vim b/autoload/airline/extensions.vim
index 3282a826..a801487d 100644
--- a/autoload/airline/extensions.vim
+++ b/autoload/airline/extensions.vim
@@ -181,6 +181,12 @@ function! airline#extensions#load()
     call add(s:loaded_ext, 'fzf')
   endif
 
+  " Vim-CMake buffers are also terminal buffers, so this must be above term.
+  if get(g:, 'loaded_cmake', 0) && get(g:, 'airline#extensions#vimcmake#enabled', 1)
+    call airline#extensions#vimcmake#init(s:ext)
+    call add(s:loaded_ext, 'vimcmake')
+  endif
+
   if (has("terminal") || has('nvim')) &&
         \ get(g:, 'airline#extensions#term#enabled', 1)
     call airline#extensions#term#init(s:ext)
diff --git a/autoload/airline/extensions/vimcmake.vim b/autoload/airline/extensions/vimcmake.vim
new file mode 100644
index 00000000..f455ea51
--- /dev/null
+++ b/autoload/airline/extensions/vimcmake.vim
@@ -0,0 +1,30 @@
+" MIT License. Copyright (c) 2013-2020 Bailey Ling et al.
+" Plugin: https://github.com/cdelledonne/vim-cmake
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+function! airline#extensions#vimcmake#init(ext) abort
+  call a:ext.add_statusline_func('airline#extensions#vimcmake#apply')
+  call a:ext.add_inactive_statusline_func('airline#extensions#vimcmake#inactive_apply')
+endfunction
+
+function! airline#extensions#vimcmake#apply(...) abort
+  if &filetype ==# 'vimcmake'
+    let spc = g:airline_symbols.space
+    call a:1.add_section('airline_a', spc.'CMake'.spc)
+    call a:1.add_section('airline_b', spc.'%{cmake#statusline#GetBuildInfo(1)}'.spc)
+    call a:1.add_section('airline_c', spc.'%{cmake#statusline#GetCmdInfo()}'.spc)
+    return 1
+  endif
+endfunction
+
+function! airline#extensions#vimcmake#inactive_apply(...) abort
+  if getbufvar(a:2.bufnr, '&filetype') ==# 'vimcmake'
+    let spc = g:airline_symbols.space
+    call a:1.add_section('airline_a', spc.'[CMake]')
+    call a:1.add_section('airline_b', spc.'%{cmake#statusline#GetBuildInfo(0)}')
+    call a:1.add_section('airline_c', spc.'%{cmake#statusline#GetCmdInfo()}')
+    return 1
+  endif
+endfunction
diff --git a/doc/airline.txt b/doc/airline.txt
index 74083871..36fb592e 100644
--- a/doc/airline.txt
+++ b/doc/airline.txt
@@ -1311,6 +1311,12 @@ vimagit <https://github.com/jreybert/vimagit>
 * enable/disable vimagit integration >
   let g:airline#extensions#vimagit#enabled = 1
 <
+-------------------------------------                    *airline-vimcmake*
+Vim-CMake <https://github.com/cdelledonne/vim-cmake>
+
+* enable/disable Vim-CMake integration >
+  let g:airline#extensions#vimcmake#enabled = 1
+<
 -------------------------------------                      *airline-vimtex*
 vimtex <https://github.com/lervag/vimtex>