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28958: Support registering hooks independent of the context.

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This commit is contained in:
Frank Terbeck 2011-03-30 21:13:37 +00:00
parent 15779b019d
commit d7bcf2bb96
2 changed files with 19 additions and 4 deletions
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18
Functions/VCS_Info/VCS_INFO_hook
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@ -2,24 +2,36 @@
## Written by Frank Terbeck <ft@bewatermyfriend.org>
## Distributed under the same BSD-ish license as zsh itself.
local hook func
local hook static func
local -x context hook_name
local -xi ret
local -a hooks
local -a hooks tmp
local -i debug
ret=0
hook_name="$1"
shift
context=":vcs_info:${vcs}+${hook_name}:${usercontext}:${rrn}"
static=":vcs_info-static_hooks:${hook_name}"
zstyle -t "${context}" debug && debug=1 || debug=0
if (( debug )); then
printf 'VCS_INFO_hook: running hook: "%s"\n' "${hook_name}"
printf 'VCS_INFO_hook: current context: "%s"\n' "${context}"
printf 'VCS_INFO_hook: static context: "%s"\n' "${static}"
fi
zstyle -a "${context}" hooks hooks || return 0
zstyle -a "${static}" hooks hooks
if (( debug )); then
printf '+ static hooks: %s\n' "${(j:, :)hooks}"
fi
zstyle -a "${context}" hooks tmp
if (( debug )); then
printf '+ context hooks: %s\n' "${(j:, :)tmp}"
fi
hooks+=( "${tmp[@]}" )
(( ${#hooks} == 0 )) && return 0
# Protect some internal variables in hooks. The `-g' parameter to
# typeset does *not* make the parameters global here (they are already
# "*-local-export). It prevents typeset from creating *new* *local*