prefetch-npm-deps: download dev deps for git deps with install scripts

pkgs/build-support/node/build-npm-package/default.nix

@@ -12,6 +12,9 @@
   # The output hash of the dependencies for this project.
   # Can be calculated in advance with prefetch-npm-deps.
 , npmDepsHash ? ""
+  # Whether to force the usage of Git dependencies that have install scripts, but not a lockfile.
+  # Use with care.
+, forceGitDeps ? false
   # Whether to make the cache writable prior to installing dependencies.
   # Don't set this unless npm tries to write to the cache directory, as it can slow down the build.
 , makeCacheWritable ? false
@@ -32,7 +35,7 @@
 
 let
   npmDeps = fetchNpmDeps {
-    inherit src srcs sourceRoot prePatch patches postPatch;
+    inherit forceGitDeps src srcs sourceRoot prePatch patches postPatch;
     name = "${name}-npm-deps";
     hash = npmDepsHash;
   };

pkgs/build-support/node/fetch-npm-deps/default.nix

@@ -36,8 +36,8 @@
           '';
         };
 
-        makeTest = { name, src, hash }: testers.invalidateFetcherByDrvHash fetchNpmDeps {
-          inherit name hash;
+        makeTest = { name, src, hash, forceGitDeps ? false }: testers.invalidateFetcherByDrvHash fetchNpmDeps {
+          inherit name hash forceGitDeps;
 
           src = makeTestSrc { inherit name src; };
         };
@@ -108,6 +108,8 @@
           };
 
           hash = "sha256-+KA8/orSBJ4EhuSyQO8IKSxsN/FAsYU3lOzq+awuxNQ=";
+
+          forceGitDeps = true;
         };
       };
 
@@ -121,6 +123,7 @@
   fetchNpmDeps =
     { name ? "npm-deps"
     , hash ? ""
+    , forceGitDeps ? false
     , ...
     } @ args:
     let
@@ -131,6 +134,8 @@
           outputHash = "";
           outputHashAlgo = "sha256";
         };
+
+      forceGitDeps_ = lib.optionalAttrs forceGitDeps { FORCE_GIT_DEPS = true; };
     in
     stdenvNoCC.mkDerivation (args // {
       inherit name;
@@ -161,5 +166,5 @@
       dontInstall = true;
 
       outputHashMode = "recursive";
-    } // hash_);
+    } // hash_ // forceGitDeps_);
 }

pkgs/build-support/node/fetch-npm-deps/src/cacache.rs

@@ -72,7 +72,7 @@ impl Cache {
                 &mut p,
                 &hash
                     .into_iter()
-                    .map(|x| format!("{:02x}", x))
+                    .map(|n| format!("{n:02x}"))
                     .collect::<String>(),
             );