From c7f5fb40c46b8c99ddc93fbc1df2987e178e0124 Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Mon, 10 Feb 2014 12:37:39 +0100
Subject: [PATCH] zhs/rc: Autodetect coloredstderr.

---
 .gitignore |  1 +
 zsh/rc     | 39 ++++++++++++++++++++++++++-------------
 2 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/.gitignore b/.gitignore
index d02c4f1..c08e6d5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@
 # Ignore unimportant files.
 /crontab.d/crontab.dotfiles-vim
 /crontab.d/crontab.jobs
+/zsh/libcoloredstderr.so
diff --git a/zsh/rc b/zsh/rc
index 8691679..876bfc7 100644
--- a/zsh/rc
+++ b/zsh/rc
@@ -905,19 +905,32 @@ if [[ $TERM != dumb && $TERM != linux && -z $STY && -z $TMUX ]]; then
     fi
 fi
 
-# Colorize stderr in bold red. Very useful when looking for errors. Thanks to
-# http://gentoo-wiki.com/wiki/Zsh for the basic script and Mikachu in #zsh on
-# Freenode (2010-03-07 04:03 CET) for some improvements (-r, printf). It's not
-# yet perfect and doesn't work with su and git for example, but it can handle
-# most interactive output quite well (even with no trailing new line) and in
-# cases it doesn't work, the E alias can be used as workaround.
-#
-# Moved in the "run commands" section to prevent one unnecessary zsh process
-# when starting GNU screen/tmux (see above).
-exec 2>>(while read -r -k -u 0 line; do
-    printf '\e[91m%s\e[0m' "$line"
-    print -n $'\0'
-done &)
+# Colorize stderr in bold red. Very useful when looking for errors.
+if [[ $LD_PRELOAD != *libcoloredstderr.so* ]]; then
+    # coloredstderr found, use it.
+    if [[ -f ~/.zsh/libcoloredstderr.so ]]; then
+        export LD_PRELOAD="$HOME/.zsh/libcoloredstderr.so:$LD_PRELOAD"
+        export COLORED_STDERR_FDS=2,
+        export COLORED_STDERR_PRE=$'\033[91m' # bright red
+        export COLORED_STDERR_IGNORED_BINARIES=/usr/bin/tset
+    # Use the fallback solution.
+    #
+    # Thanks to http://gentoo-wiki.com/wiki/Zsh for the basic script and
+    # Mikachu in #zsh on Freenode (2010-03-07 04:03 CET) for some improvements
+    # (-r, printf). It's not yet perfect and doesn't work with su and git for
+    # example, but it can handle most interactive output quite well (even with
+    # no trailing new line) and in cases it doesn't work, the E alias can be
+    # used as workaround.
+    #
+    # Moved in the "run commands" section to prevent one unnecessary zsh
+    # process when starting GNU screen/tmux (see above).
+    else
+        exec 2>>(while read -r -k -u 0 line; do
+            printf '\e[91m%s\e[0m' "$line"
+            print -n $'\0'
+        done &)
+    fi
+fi
 
 # Display possible log messages from ~/.xinitrc (if `xmessage` wasn't
 # installed). No race condition as xinitrc has finished before a shell is
-- 
2.45.2