From 3ef5bf53d5747c2369ff5124e9bdba95d7a72dee Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Mon, 16 Jun 2014 19:49:58 +0100
Subject: [PATCH] Add BufCloseFifo hook and use that to remove fifo directories

---
 README.asciidoc     | 8 ++++++--
 rc/git-tools.kak    | 2 +-
 rc/grep.kak         | 2 +-
 rc/make.kak         | 2 +-
 src/buffer_utils.cc | 2 ++
 5 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/README.asciidoc b/README.asciidoc
index add67f68..c88d5d52 100644
--- a/README.asciidoc
+++ b/README.asciidoc
@@ -677,10 +677,14 @@ existing hooks are:
  * +BufOpen+: A buffer for an existing file has been created, filename is
        used for filtering
  * +BufCreate+: A buffer has been created, filename is used for filtering
- * +BufWritePre+: Executre just before a buffer is written, filename is
+ * +BufWritePre+: Executed just before a buffer is written, filename is
        used for filtering.
- * +BufWritePost+: Executre just after a buffer is written, filename is
+ * +BufWritePost+: Executed just after a buffer is written, filename is
        used for filtering.
+ * +BufClose+: Executed when a buffer is deleted, while it is still valid.
+ * +BufCloseFifo+: Executed when a fifo buffer closes its fifo file descriptor
+       either because the buffer is being deleted, or because the writing
+       end has been closed.
  * +RuntimeError+: an error was encountered while executing an user command
        the error message is used for filtering
  * +KakBegin+: Kakoune started, this is called just after reading the user
diff --git a/rc/git-tools.kak b/rc/git-tools.kak
index b53238ed..a34022c7 100644
--- a/rc/git-tools.kak
+++ b/rc/git-tools.kak
@@ -39,7 +39,7 @@ def -shell-params \
         echo "eval -try-client '$kak_opt_docsclient' %{
                   edit! -fifo ${output} *git*
                   set buffer filetype '${filetype}'
-                  hook buffer BufClose .* %{ nop %sh{ rm -r $(dirname ${output}) } }
+                  hook buffer BufCloseFifo .* %{ nop %sh{ rm -r $(dirname ${output}) } }
               }"
     }
 
diff --git a/rc/grep.kak b/rc/grep.kak
index 728dce76..8029e956 100644
--- a/rc/grep.kak
+++ b/rc/grep.kak
@@ -14,7 +14,7 @@ def -shell-params -file-completion \
      echo "eval -try-client '$kak_opt_toolsclient' %{
                edit! -fifo ${output} -scroll *grep*
                set buffer filetype grep
-               hook buffer BufClose .* %{ nop %sh{ rm -r $(dirname ${output}) } }
+               hook buffer BufCloseFifo .* %{ nop %sh{ rm -r $(dirname ${output}) } }
            }"
 }}
 
diff --git a/rc/make.kak b/rc/make.kak
index c020a4e0..213328cf 100644
--- a/rc/make.kak
+++ b/rc/make.kak
@@ -9,7 +9,7 @@ def -shell-params make %{ %sh{
      echo "eval -try-client '$kak_opt_toolsclient' %{
                edit! -fifo ${output} -scroll *make*
                set buffer filetype make
-               hook buffer BufClose .* %{ nop %sh{ rm -r $(dirname ${output}) } }
+               hook buffer BufCloseFifo .* %{ nop %sh{ rm -r $(dirname ${output}) } }
            }"
 }}
 
diff --git a/src/buffer_utils.cc b/src/buffer_utils.cc
index f05db777..5f8cb9fd 100644
--- a/src/buffer_utils.cc
+++ b/src/buffer_utils.cc
@@ -64,6 +64,7 @@ Buffer* create_fifo_buffer(String name, int fd, bool scroll)
             buffer->flags() &= ~Buffer::Flags::Fifo;
             buffer->flags() &= ~Buffer::Flags::NoUndo;
             close(fifo);
+            buffer->run_hook_in_own_context("BufCloseFifo", "");
             delete &watcher;
         }
     });
@@ -74,6 +75,7 @@ Buffer* create_fifo_buffer(String name, int fd, bool scroll)
             if (buffer->flags() & Buffer::Flags::Fifo)
             {
                 close(watcher->fd());
+                buffer->run_hook_in_own_context("BufCloseFifo", "");
                 delete watcher;
             }
         });