39 lines
1.3 KiB
Nix
39 lines
1.3 KiB
Nix
{ pkgs }:
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pkgs.writeShellApplication {
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name = "nr";
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runtimeInputs = with pkgs; [
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nix-output-monitor
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openssh
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coreutils
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nix
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attic-client
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];
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text = ''
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#!/usr/bin/env bash
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set -euo pipefail
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image="${1:-tmp-elf-extract}"
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docker build -t "$image" .
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cid="$(docker create "$image" /bin/true)"
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cleanup() {
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docker rm -f "$cid" >/dev/null 2>&1 || true
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}
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trap cleanup EXIT
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libc_path="$(docker run --rm --entrypoint /bin/sh "$image" -c 'for p in /lib/x86_64-linux-gnu/libc.so.6 /usr/lib/x86_64-linux-gnu/libc.so.6 /lib64/libc.so.6 /lib/libc.so.6; do if [ -e "$p" ]; then echo "$p"; exit 0; fi; done; exit 1')"
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ld_path="$(docker run --rm --entrypoint /bin/sh "$image" -c 'for p in /lib64/ld-linux-x86-64.so.2 /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 /lib/ld-linux-x86-64.so.2; do if [ -e "$p" ]; then echo "$p"; exit 0; fi; done; find /lib /usr/lib /lib64 -type f \( -name "ld-linux*.so*" -o -name "ld-*.so*" \) 2>/dev/null | head -n 1')"
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[ -n "$libc_path" ] || { echo "libc.so.6 not found" >&2; exit 1; }
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[ -n "$ld_path" ] || { echo "ld-linux not found" >&2; exit 1; }
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docker cp -L "${cid}:${libc_path}" ./libc.so.6
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docker cp -L "${cid}:${ld_path}" ./ld-linux-x86-64.so.2
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file libc.so.6 ld-linux-x86-64.so.2
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ls -lh libc.so.6 ld-linux-x86-64.so.2
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'';
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}
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