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fix: patchShebangs in nonexecutable bin files (#106) #107

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fix: patchShebangs in nonexecutable bin files (#106) #107

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98c359b
fix: patchShebangs in nonexecutable bin files (#106)
milahu Sep 14, 2021
a306d45
remove cat
milahu Sep 14, 2021
a75e8bc
fix jq filter
milahu Sep 14, 2021
48b2eaf
ignore root package, throw on error
milahu Sep 14, 2021
8c9b89b
in function node_modules, ignore the install script for the root package
milahu Sep 14, 2021
40e09df
remove questionmarks from derivation names for mkdir $out
milahu Sep 14, 2021
ff6d44a
fix: run install script for the root package
milahu Sep 14, 2021
60b003c
print install commands before running them
milahu Sep 14, 2021
de6d2c6
fix jq filter: handle missing scripts field
milahu Sep 15, 2021
99370e3
in mkShell, dont run install scripts for the root package
milahu Sep 15, 2021
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6 changes: 5 additions & 1 deletion internal.nix
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
{ nodejs, stdenv, mkShell, lib, fetchurl, writeText, writeTextFile, runCommand, fetchFromGitHub }:
{ nodejs, stdenv, mkShell, lib, fetchurl, writeText, writeTextFile, runCommand, fetchFromGitHub, jq }:
rec {
default_nodejs = nodejs;

Expand Down Expand Up @@ -331,6 +331,9 @@ rec {

${preInstallLinkCommands}

jq -r 'select(.bin != null) | .bin | if type == "string" then . else values[] end' package.json | while read binTarget; do
chmod +x "$binTarget" # patchShebangs will only patch executable files
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@milahu milahu Sep 14, 2021 •
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maybe this should throw if binTarget is not found

in my case:

npmlock2nix.shell {
  src = /tmp/package;
}

the root package.json (/tmp/package/package.json) has a bin,
but npmlock2nix will copy only the *.json files to /build, so binTarget is not found

or rather, npmlock2nix should ignore bin's for the root package (/tmp/package)

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@milahu milahu Sep 14, 2021 •
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npmlock2nix should ignore bin's for the root package (/tmp/package)

even more, npmlock2nix.node_modules should ignore install scripts for the root package,
since for the root package, only the *.json files are available,
and install scripts may require other files

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Is that so? I am not entirely sure that is true. Right now we do an npm install in the node_modules build and that does what we need (most of the time?).

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@milahu milahu Sep 14, 2021 •
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consider this package.json

{
  "name": "root-package",
  "version": "1",
  "scripts": {
    "postinstall": "node some/script.js"
  },
  "dependencies": {
    "foo": "1.2.3"
  }
}

npmlock2nix has only two files for the root-package: package.json and package-lock.json

these are symlinked to /build in npmlock2nix.node_modules

npmlock2nix/internal.nix

Lines 365 to 368 in 33eb330

postPatch = ''
ln -sf ${patchedLockfile (sourceHashFunc githubSourceHashMap) packageLockJson} package-lock.json
ln -sf ${patchedPackagefile (sourceHashFunc githubSourceHashMap) packageJson} package.json
'';

so some/script.js is NOT available in /build, and npm install would fail

the job of npmlock2nix.node_modules is only to populate node_modules

done
if grep -I -q -r '/bin/' .; then
source $TMP/preinstall-env
patchShebangs .
Expand All @@ -348,6 +351,7 @@ rec {

nativeBuildInputs = nativeBuildInputs ++ [
nodejs
jq
];

propagatedBuildInputs = [
Expand Down