23 lines
486 B
Bash
23 lines
486 B
Bash
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# Readlink is not present on some older distributions: emulate it.
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readlink() {
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local path=$1 ll
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if [ -L "$path" ]; then
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ll="$(LC_ALL=C ls -l "$path" 2> /dev/null)" &&
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echo "${ll/* -> }"
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else
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return 1
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fi
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}
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relink() {
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if [ -h "$2" ]; then
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local old=$(readlink "$2")
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[ "$old" = "$1" ] && return 0
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echo "Changing symlink $2 from $old to $1"
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elif [ -e "$2" ]; then
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echo "Replacing file $2 with symlink to $1"
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fi
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rm -f "$2" \
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&& ln -s "$1" "$2"
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}
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