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47 lines
1.1 KiB
47 lines
1.1 KiB
#!/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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