From d7c2ca6e43fa8677714150c837c8b06e35b659f2 Mon Sep 17 00:00:00 2001
From: Sanchayan Maity <sanchayan@sanchayanmaity.net>
Date: Sun, 2 May 2021 19:08:41 +0530
Subject: [PATCH] nvim: ftplugin/autoload: C: Run gst-indent on save

---
 nvim/.config/nvim/after/ftplugin/c.vim | 9 +++++++++
 nvim/.config/nvim/autoload/c.vim       | 5 +++++
 2 files changed, 14 insertions(+)
 create mode 100644 nvim/.config/nvim/autoload/c.vim

diff --git a/nvim/.config/nvim/after/ftplugin/c.vim b/nvim/.config/nvim/after/ftplugin/c.vim
index 54fbeee..a1cf433 100644
--- a/nvim/.config/nvim/after/ftplugin/c.vim
+++ b/nvim/.config/nvim/after/ftplugin/c.vim
@@ -18,3 +18,12 @@ nmap <buffer> <silent> <LocalLeader>e  <Plug>(quickr_cscope_egrep)
 nmap <buffer> <silent> <LocalLeader>f  <Plug>(quickr_cscope_files)
 nmap <buffer> <silent> <LocalLeader>i  <Plug>(quickr_cscope_includes)
 nmap <buffer> <silent> <LocalLeader>a  <Plug>(quickr_cscope_assignments)
+
+" If we are working with any of the gstreamer projects in C, run gst-ident
+" before saving. Assume gst-ident from gstreamer/tools/gst-indent has been
+" made available in path.
+"
+" The '!' after autocmd is required without which, the command gets triggered
+" multiple times. Basically, we clear the autocmd.
+autocmd! BufWritePost */gst-*/*.c call c#format_with_gst_indent()
+autocmd! BufWritePost */gstreamer-*/*.c call c#format_with_gst_indent()
diff --git a/nvim/.config/nvim/autoload/c.vim b/nvim/.config/nvim/autoload/c.vim
new file mode 100644
index 0000000..389dbaf
--- /dev/null
+++ b/nvim/.config/nvim/autoload/c.vim
@@ -0,0 +1,5 @@
+function! c#format_with_gst_indent() abort
+  let file = expand('%:p')
+  silent execute "!gst-indent " . file
+  silent execute "e" . file
+endfunction