38 lines
1.1 KiB
Bash
38 lines
1.1 KiB
Bash
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# symlinks are often created in postFixup
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# don't use fixupOutputHooks, it is before postFixup
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postFixupHooks+=(_makeSymlinksRelativeInAllOutputs)
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# For every symlink in $output that refers to another file in $output
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# ensure that the symlink is relative. This removes references to the output
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# has from the resulting store paths and thus the NAR files.
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_makeSymlinksRelative() {
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local symlinkTarget
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if [ "${dontRewriteSymlinks-}" ] || [ ! -e "$prefix" ]; then
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return
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fi
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while IFS= read -r -d $'\0' f; do
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symlinkTarget=$(readlink "$f")
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if [[ "$symlinkTarget"/ != "$prefix"/* ]]; then
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# skip this symlink as it doesn't point to $prefix
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continue
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fi
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if [ ! -e "$symlinkTarget" ]; then
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echo "the symlink $f is broken, it points to $symlinkTarget (which is missing)"
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fi
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echo "rewriting symlink $f to be relative to $prefix"
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ln -snrf "$symlinkTarget" "$f"
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done < <(find $prefix -type l -print0)
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}
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_makeSymlinksRelativeInAllOutputs() {
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local output
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for output in $(getAllOutputNames); do
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prefix="${!output}" _makeSymlinksRelative
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done
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}
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