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utility: Honor pre-defined COLOR settings for grep

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Honor `GREP_COLOR` or `GREP_COLORS` if already defined for coloring
`grep` output.
This commit is contained in:
Indrajit Raychaudhuri 2021-05-08 21:26:03 -05:00 committed by Indrajit Raychaudhuri
parent 1ff9421f7b
commit 2368c9142b
1 changed files with 2 additions and 2 deletions
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4
modules/utility/init.zsh
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@ -130,8 +130,8 @@ fi
# Grep
if zstyle -t ':prezto:module:utility:grep' color; then
export GREP_COLOR='37;45' # BSD.
export GREP_COLORS="mt=$GREP_COLOR" # GNU.
export GREP_COLOR=${GREP_COLOR:-'37;45'} # BSD.
export GREP_COLORS=${GREP_COLORS:-"mt=$GREP_COLOR"} # GNU.
alias grep="${aliases[grep]:-grep} --color=auto"
fi