Test if --color=auto is a valid option for grep
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@ -3,8 +3,12 @@ grep-flag-available() {
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echo | grep $1 "" >/dev/null 2>&1
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}
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GREP_OPTIONS=""
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# color grep results
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GREP_OPTIONS="--color=auto"
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if grep-flag-available --color=auto; then
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GREP_OPTIONS+=" --color=auto"
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fi
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# ignore VCS folders (if the necessary grep flags are available)
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VCS_FOLDERS="{.bzr,.cvs,.git,.hg,.svn}"
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