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balena-cli: fix linux binary with patchelf

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This commit is contained in:
Kaleb Pace 2023-03-19 22:51:56 -05:00
parent 8501a1645a
commit 72f784dbbe
1 changed files with 56 additions and 7 deletions
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63
pkgs/tools/admin/balena-cli/default.nix
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@ -1,8 +1,8 @@
{ lib
, stdenv
, fetchzip
, testers
}:
let
inherit (stdenv.hostPlatform) system;
throwSystem = throw "Unsupported system: ${system}";
@ -21,27 +21,76 @@ let
aarch64-darwin = "1ihxyf35px3s6q2yk4p3dy03rcj93hy96bj3pxqlv0rp05gnsf02";
x86_64-windows = "104hc3qvs04l2hmjmp0bcjr5g5scp4frhprk1fpszziqhdmhwa40";
}.${system} or throwSystem;
in
stdenv.mkDerivation rec {
pname = "balena-cli";
version = "15.1.1";
version = "15.1.1";
src = fetchzip {
url = "https://github.com/balena-io/balena-cli/releases/download/v${version}/balena-cli-v${version}-${plat}-standalone.zip";
inherit sha256;
};
in
stdenv.mkDerivation (finalAttrs: {
pname = "balena-cli";
inherit version src;
installPhase = ''
runHook preInstall
mkdir -p $out/bin
cp -r ./* $out/
ln -s $out/balena $out/bin/balena
runHook postInstall
'';
passthru.tests.version = testers.testVersion {
package = finalAttrs.finalPackage;
command = ''
# Override default cache directory so Balena CLI's unavoidable update check does not fail due to write permissions
BALENARC_DATA_DIRECTORY=./ balena --version
'';
inherit version;
};
# https://github.com/NixOS/nixpkgs/pull/48193/files#diff-b65952dbe5271c002fbc941b01c3586bf5050ad0e6aa6b2fcc74357680e103ea
preFixup =
if stdenv.isLinux then
let
libPath = lib.makeLibraryPath [ stdenv.cc.cc ];
in
''
orig_size=$(stat --printf=%s $out/balena)
patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/balena
patchelf --set-rpath ${libPath} $out/balena
chmod +x $out/balena
new_size=$(stat --printf=%s $out/balena)
###### zeit-pkg fixing starts here.
# we're replacing plaintext js code that looks like
# PAYLOAD_POSITION = '1234 ' | 0
# [...]
# PRELUDE_POSITION = '1234 ' | 0
# ^-----20-chars-----^^------22-chars------^
# ^-- grep points here
#
# var_* are as described above
# shift_by seems to be safe so long as all patchelf adjustments occur
# before any locations pointed to by hardcoded offsets
var_skip=20
var_select=22
shift_by=$(expr $new_size - $orig_size)
function fix_offset {
# $1 = name of variable to adjust
location=$(grep -obUam1 "$1" $out/bin/balena | cut -d: -f1)
location=$(expr $location + $var_skip)
value=$(dd if=$out/balena iflag=count_bytes,skip_bytes skip=$location \
bs=1 count=$var_select status=none)
value=$(expr $shift_by + $value)
echo -n $value | dd of=$out/balena bs=1 seek=$location conv=notrunc
}
fix_offset PAYLOAD_POSITION
fix_offset PRELUDE_POSITION
'' else '''';
dontStrip = true;
meta = with lib; {
description = "A command line interface for balenaCloud or openBalena";
longDescription = ''
@ -58,4 +107,4 @@ stdenv.mkDerivation rec {
sourceProvenance = [ sourceTypes.binaryNativeCode ];
mainProgram = "balena";
};
}
})