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balsoft/autopatchelf.sh

Created September 1, 2021 14:56
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Semi-automatically patchelf a binary to run on NixOS, allowing the user to choose the right packages with dmenu
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autopatchelf.sh
#!/usr/bin/env nix-shell
#!nix-shell -p coreutils nix-index patchelf dmenu -i bash
file=$1
patchelf --set-interpreter `nix-build --no-out-link "<nixpkgs>" -A glibc`/bin/ld-linux-x86-64.so.2 $file
rpath=$(ldd $file | sed -r "/^$/d" | cut -f1 -d' ' | cut -f2 | xargs -L 1 sh -c "nix-locate \$0 | dmenu -l 40 | awk '{print \$4;}' | xargs -L 1 dirname" | tr "\n" ":")
echo $rpath
patchelf --set-rpath $rpath $file
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