From c4e301f244c36103c028cf5067fdd8844aa3dbe6 Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Thu, 30 Aug 2012 19:47:16 +0200
Subject: [PATCH] zsh/rc: Don't use add-zsh-hook.

Instead append to *_functions directly.

Also delete old compatibility file.
---
 zsh/functions/compatibility/add-zsh-hook | 76 ------------------------
 zsh/rc                                   | 19 ++----
 2 files changed, 5 insertions(+), 90 deletions(-)
 delete mode 100644 zsh/functions/compatibility/add-zsh-hook

diff --git a/zsh/functions/compatibility/add-zsh-hook b/zsh/functions/compatibility/add-zsh-hook
deleted file mode 100644
index aedc1e7..0000000
--- a/zsh/functions/compatibility/add-zsh-hook
+++ /dev/null
@@ -1,76 +0,0 @@
-# Add to HOOK the given FUNCTION.
-# HOOK is one of chpwd, precmd, preexec, periodic, zshaddhistory,
-# zshexit (the _functions subscript is not required).
-#
-# With -d, remove the function from the hook instead; delete the hook
-# variable if it is empty.
-#
-# -D behaves like -d, but pattern characters are active in the
-# function name, so any matching function will be deleted from the hook.
-#
-# Without -d, the FUNCTION is marked for autoload; -U is passed down to
-# autoload if that is given, as are -z and -k.  (This is harmless if the
-# function is actually defined inline.)
-
-emulate -L zsh
-
-local -a hooktypes
-hooktypes=(chpwd precmd preexec periodic zshaddhistory zshexit)
-
-local opt
-local -a autoopts
-integer del
-
-while getopts "dDUzk" opt; do
-  case $opt in
-    (d)
-    del=1
-    ;;
-
-    (D)
-    del=2
-    ;;
-
-    ([Uzk])
-    autoopts+=(-$opt)
-    ;;
-
-    (*)
-    return 1
-    ;;
-  esac
-done
-shift $(( OPTIND - 1 ))
-
-if (( $# != 2 || ${hooktypes[(I)$1]} == 0 )); then
-  print "Usage: $0 hook function\nValid hooks are:\n  $hooktypes"
-  return 1
-fi
-
-local hook="${1}_functions"
-local fn="$2"
-
-if (( del )); then
-  # delete, if hook is set
-  if (( ${(P)+hook} )); then
-    if (( del == 2 )); then
-      set -A $hook ${(P)hook:#${~fn}}
-    else
-      set -A $hook ${(P)hook:#$fn}
-    fi
-    # unset if no remaining entries --- this can give better
-    # performance in some cases
-    if (( ! ${(P)#hook} )); then
-      unset $hook
-    fi
-  fi
-else
-  if (( ${(P)+hook} )); then
-    if (( ${${(P)hook}[(I)$fn]} == 0 )); then
-      set -A $hook ${(P)hook} $fn
-    fi
-  else
-    set -A $hook $fn
-  fi
-  autoload $autoopts -- $fn
-fi
diff --git a/zsh/rc b/zsh/rc
index 7e817ac..55e9242 100644
--- a/zsh/rc
+++ b/zsh/rc
@@ -82,13 +82,7 @@ fi
 
 # Simulate hooks using _functions arrays for Zsh versions older than 4.3.4. At
 # the moment only precmd(), preexec() and chpwd() are simulated.
-#
-# At least 4.3.4 (not sure about later versions) has an error in add-zsh-hook
-# so the compatibility version is used there too.
-if [[ $ZSH_VERSION != (4.3.<5->*|4.<4->*|<5->*) ]]; then
-    # Provide add-zsh-hook which was added in 4.3.4.
-    fpath=(~/.zsh/functions/compatibility $fpath)
-
+if [[ $ZSH_VERSION != (4.3.<4->*|4.<4->*|<5->*) ]]; then
     # Run all functions defined in the ${precmd,preexec,chpwd}_functions
     # arrays.
     function precmd() {
@@ -108,9 +102,6 @@ if [[ $ZSH_VERSION != (4.3.<5->*|4.<4->*|<5->*) ]]; then
     }
 fi
 
-# Autoload add-zsh-hook to add/remove zsh hook functions easily.
-autoload -Uz add-zsh-hook
-
 # Load zmv (zsh move) which is a powerful file renamer.
 autoload -Uz zmv
 
@@ -266,7 +257,7 @@ if [[ $ZSH_VERSION == (4.3.<9->*|4.<4->*|<5->*) ||
     prompt_chpwd() {
         FORCE_RUN_VCS_INFO=1
     }
-    add-zsh-hook chpwd prompt_chpwd
+    chpwd_functions+=(prompt_chpwd)
 
     # Used by prompt code below to determine if vcs_info should be run.
     RUN_VCS_INFO=1
@@ -325,7 +316,7 @@ $blue%B'%b$default\
 $green%B%n%b$default@$green%B%m%b$default %(1j.$yellow%j$default.)%# \
 %(?..($red%B%?%b$default%) )"
 }
-add-zsh-hook precmd prompt_precmd
+precmd_functions+=(prompt_precmd)
 
 
 # When screen, tmux, xterm or rxvt is used set the name of the window to the
@@ -468,8 +459,8 @@ if [[ $TERM == screen* || $TERM == xterm* || $TERM == rxvt* ]]; then
     fi
 
     # Add the preexec() and precmd() hooks.
-    add-zsh-hook preexec window_preexec
-    add-zsh-hook precmd window_precmd
+    preexec_functions+=(window_preexec)
+    precmd_functions+=(window_precmd)
 else
     # Fallback if another TERM is used, necessary to run screen (see below in
     # "RUN COMMANDS").
-- 
2.45.2