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zsh/Functions/VCS_Info/VCS_INFO_set
Philip Sequeira 038b1d4b38 37345: VCS_INFO functions break with setopt no_unset
With setopt no_unset in my config file, vcs_info fails with:
VCS_INFO_maxexports:7: vcs: parameter not set
2015-12-23 01:57:45 +01:00

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## vim:ft=zsh
## Written by Frank Terbeck <ft@bewatermyfriend.org>
## Distributed under the same BSD-ish license as zsh itself.
setopt localoptions noksharrays NO_shwordsplit unset
local -i i j
if [[ $1 == '--nvcs' ]] ; then
[[ $2 == '-preinit-' ]] && (( maxexports == 0 )) && (( maxexports = 1 ))
for i in {0..$((maxexports - 1))} ; do
typeset -g vcs_info_msg_${i}_=
done
VCS_INFO_nvcsformats $2
[[ $2 != '-preinit-' ]] && VCS_INFO_hook "no-vcs"
fi
(( ${#msgs} - 1 < 0 )) && return 0
for i in {0..$(( ${#msgs} - 1 ))} ; do
(( j = i + 1 ))
typeset -g vcs_info_msg_${i}_=${msgs[$j]}
done
if (( i < maxexports )) ; then
for j in {$(( i + 1 ))..${maxexports}} ; do
[[ -n ${(P)${:-vcs_info_msg_${j}_}} ]] && typeset -g vcs_info_msg_${j}_=
done
fi
return 0