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48 lines
1.1 KiB
48 lines
1.1 KiB
3 years ago
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#!/bin/bash -eu
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# Make a directory with content case-insensitive using chattr +F
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NEWFLAGS="+F"
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usage() {
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echo "Usage: $1 [-c] <directory>"
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echo
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echo " Make an existing directory case-folding (chattr +F)"
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echo
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echo "Options:"
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echo " -c Clear the case-folding flag instead of setting it"
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exit $2
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}
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while getopts hc opt; do
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case "$opt" in
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h) usage "$0" 0;;
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c) NEWFLAGS="-F";;
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?) usage "$0" 255;;
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esac
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done
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shift $((OPTIND - 1))
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if [ ! -d "$1" ]; then
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echo -e "\e[31m'$1' is not a directory\e[0m"
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exit 1
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fi
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# Make sure it doesn't end in /
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d="${1%/}"
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set -x
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# Create new directory with appropriate attributes
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mkdir "$d.$$"
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chattr $NEWFLAGS "$d.$$"
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# Need to re-create the whole subtree, so the flag propagates
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# Try to save space by making a recursive hardlink copy
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cp -Tldr "$d" "$d.$$"
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# Just to be on the safe side, fail if there are any files with a single reference left
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find "$d" -type f,l -links +1 -delete
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find "$d" -type d -empty -delete
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[ ! -d "$d" ]
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# Rename to old name
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mv "$d.$$" "$d"
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