chore(3p/nix): unvendor tvix 0.1 r/4098

Nothing is using this now, and we'll likely never pick this up again,
but we learned a lot in the process.

Every now and then this breaks in some bizarre way on channel bumps
and it's just a waste of time to maintain that.

Change-Id: Idcf2f5acd4ca7070ce18d7149cbfc0d967dc0a44
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5632
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Autosubmit: tazjin <tazjin@tvl.su>

1 files changed, 0 insertions, 141 deletions

diff --git a/third_party/nix/src/nix-store/dotgraph.cc b/third_party/nix/src/nix-store/dotgraph.cc
deleted file mode 100644
index 2500b8f4b07d..000000000000
--- a/third_party/nix/src/nix-store/dotgraph.cc
+++ /dev/null
@@ -1,141 +0,0 @@
-#include "nix-store/dotgraph.hh"
-
-#include <iostream>
-
-#include "libstore/store-api.hh"
-#include "libutil/util.hh"
-
-using std::cout;
-
-namespace nix {
-
-static std::string dotQuote(const std::string& s) { return "\"" + s + "\""; }
-
-static std::string nextColour() {
-  static int n = 0;
-  static std::string colours[] = {"black", "red",     "green",
-                                  "blue",  "magenta", "burlywood"};
-  return colours[n++ % (sizeof(colours) / sizeof(std::string))];
-}
-
-static std::string makeEdge(const std::string& src, const std::string& dst) {
-  format f = format("%1% -> %2% [color = %3%];\n") % dotQuote(src) %
-             dotQuote(dst) % dotQuote(nextColour());
-  return f.str();
-}
-
-static std::string makeNode(const std::string& id, const std::string& label,
-                            const std::string& colour) {
-  format f = format(
-                 "%1% [label = %2%, shape = box, "
-                 "style = filled, fillcolor = %3%];\n") %
-             dotQuote(id) % dotQuote(label) % dotQuote(colour);
-  return f.str();
-}
-
-static std::string symbolicName(const std::string& path) {
-  std::string p = baseNameOf(path);
-  return std::string(p, p.find('-') + 1);
-}
-
-#if 0
-std::string pathLabel(const Path & nePath, const std::string & elemPath)
-{
-    return (std::string) nePath + "-" + elemPath;
-}
-
-
-void printClosure(const Path & nePath, const StoreExpr & fs)
-{
-    PathSet workList(fs.closure.roots);
-    PathSet doneSet;
-
-    for (PathSet::iterator i = workList.begin(); i != workList.end(); ++i) {
-        cout << makeEdge(pathLabel(nePath, *i), nePath);
-    }
-
-    while (!workList.empty()) {
-        Path path = *(workList.begin());
-        workList.erase(path);
-
-        if (doneSet.find(path) == doneSet.end()) {
-            doneSet.insert(path);
-
-            ClosureElems::const_iterator elem = fs.closure.elems.find(path);
-            if (elem == fs.closure.elems.end())
-                throw Error(format("bad closure, missing path '%1%'") % path);
-
-            for (StringSet::const_iterator i = elem->second.refs.begin();
-                 i != elem->second.refs.end(); ++i)
-            {
-                workList.insert(*i);
-                cout << makeEdge(pathLabel(nePath, *i), pathLabel(nePath, path));
-            }
-
-            cout << makeNode(pathLabel(nePath, path),
-                symbolicName(path), "#ff0000");
-        }
-    }
-}
-#endif
-
-void printDotGraph(const ref<Store>& store, const PathSet& roots) {
-  PathSet workList(roots);
-  PathSet doneSet;
-
-  cout << "digraph G {\n";
-
-  while (!workList.empty()) {
-    Path path = *(workList.begin());
-    workList.erase(path);
-
-    if (doneSet.find(path) != doneSet.end()) {
-      continue;
-    }
-    doneSet.insert(path);
-
-    cout << makeNode(path, symbolicName(path), "#ff0000");
-
-    for (auto& p : store->queryPathInfo(path)->references) {
-      if (p != path) {
-        workList.insert(p);
-        cout << makeEdge(p, path);
-      }
-    }
-
-#if 0
-        StoreExpr ne = storeExprFromPath(path);
-
-        string label, colour;
-
-        if (ne.type == StoreExpr::neDerivation) {
-            for (PathSet::iterator i = ne.derivation.inputs.begin();
-                 i != ne.derivation.inputs.end(); ++i)
-            {
-                workList.insert(*i);
-                cout << makeEdge(*i, path);
-            }
-
-            label = "derivation";
-            colour = "#00ff00";
-            for (StringPairs::iterator i = ne.derivation.env.begin();
-                 i != ne.derivation.env.end(); ++i)
-                if (i->first == "name") { label = i->second; }
-        }
-
-        else if (ne.type == StoreExpr::neClosure) {
-            label = "<closure>";
-            colour = "#00ffff";
-            printClosure(path, ne);
-        }
-
-        else abort();
-
-        cout << makeNode(path, label, colour);
-#endif
-  }
-
-  cout << "}\n";
-}
-
-}  // namespace nix