From da7d8daa77c2cce5805947a012060b02be9e4a43 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Na=C3=AFm=20Favier?= <n@monade.li>
Date: Sat, 19 Feb 2022 16:59:52 +0100
Subject: Add shell completion for --override-flake

Requires moving the MixEvalArgs class from libexpr to libcmd because
that's where completeFlakeRef is.
---
 src/libexpr/common-eval-args.cc | 101 ----------------------------------------
 src/libexpr/common-eval-args.hh |  27 -----------
 2 files changed, 128 deletions(-)
 delete mode 100644 src/libexpr/common-eval-args.cc
 delete mode 100644 src/libexpr/common-eval-args.hh

(limited to 'src/libexpr')

diff --git a/src/libexpr/common-eval-args.cc b/src/libexpr/common-eval-args.cc
deleted file mode 100644
index e50ff244c..000000000
--- a/src/libexpr/common-eval-args.cc
+++ /dev/null
@@ -1,101 +0,0 @@
-#include "common-eval-args.hh"
-#include "shared.hh"
-#include "filetransfer.hh"
-#include "util.hh"
-#include "eval.hh"
-#include "fetchers.hh"
-#include "registry.hh"
-#include "flake/flakeref.hh"
-#include "store-api.hh"
-
-namespace nix {
-
-MixEvalArgs::MixEvalArgs()
-{
-    auto category = "Common evaluation options";
-
-    addFlag({
-        .longName = "arg",
-        .description = "Pass the value *expr* as the argument *name* to Nix functions.",
-        .category = category,
-        .labels = {"name", "expr"},
-        .handler = {[&](std::string name, std::string expr) { autoArgs[name] = 'E' + expr; }}
-    });
-
-    addFlag({
-        .longName = "argstr",
-        .description = "Pass the string *string* as the argument *name* to Nix functions.",
-        .category = category,
-        .labels = {"name", "string"},
-        .handler = {[&](std::string name, std::string s) { autoArgs[name] = 'S' + s; }},
-    });
-
-    addFlag({
-        .longName = "include",
-        .shortName = 'I',
-        .description = "Add *path* to the list of locations used to look up `<...>` file names.",
-        .category = category,
-        .labels = {"path"},
-        .handler = {[&](std::string s) { searchPath.push_back(s); }}
-    });
-
-    addFlag({
-        .longName = "impure",
-        .description = "Allow access to mutable paths and repositories.",
-        .category = category,
-        .handler = {[&]() {
-            evalSettings.pureEval = false;
-        }},
-    });
-
-    addFlag({
-        .longName = "override-flake",
-        .description = "Override the flake registries, redirecting *original-ref* to *resolved-ref*.",
-        .category = category,
-        .labels = {"original-ref", "resolved-ref"},
-        .handler = {[&](std::string _from, std::string _to) {
-            auto from = parseFlakeRef(_from, absPath("."));
-            auto to = parseFlakeRef(_to, absPath("."));
-            fetchers::Attrs extraAttrs;
-            if (to.subdir != "") extraAttrs["dir"] = to.subdir;
-            fetchers::overrideRegistry(from.input, to.input, extraAttrs);
-        }}
-    });
-
-    addFlag({
-        .longName = "eval-store",
-        .description = "The Nix store to use for evaluations.",
-        .category = category,
-        .labels = {"store-url"},
-        .handler = {&evalStoreUrl},
-    });
-}
-
-Bindings * MixEvalArgs::getAutoArgs(EvalState & state)
-{
-    auto res = state.buildBindings(autoArgs.size());
-    for (auto & i : autoArgs) {
-        auto v = state.allocValue();
-        if (i.second[0] == 'E')
-            state.mkThunk_(*v, state.parseExprFromString(i.second.substr(1), absPath(".")));
-        else
-            v->mkString(((std::string_view) i.second).substr(1));
-        res.insert(state.symbols.create(i.first), v);
-    }
-    return res.finish();
-}
-
-Path lookupFileArg(EvalState & state, std::string_view s)
-{
-    if (isUri(s)) {
-        return state.store->toRealPath(
-            fetchers::downloadTarball(
-                state.store, resolveUri(s), "source", false).first.storePath);
-    } else if (s.size() > 2 && s.at(0) == '<' && s.at(s.size() - 1) == '>') {
-        Path p(s.substr(1, s.size() - 2));
-        return state.findFile(p);
-    } else
-        return absPath(std::string(s));
-}
-
-}
diff --git a/src/libexpr/common-eval-args.hh b/src/libexpr/common-eval-args.hh
deleted file mode 100644
index 03fa226aa..000000000
--- a/src/libexpr/common-eval-args.hh
+++ /dev/null
@@ -1,27 +0,0 @@
-#pragma once
-
-#include "args.hh"
-
-namespace nix {
-
-class Store;
-class EvalState;
-class Bindings;
-
-struct MixEvalArgs : virtual Args
-{
-    MixEvalArgs();
-
-    Bindings * getAutoArgs(EvalState & state);
-
-    Strings searchPath;
-
-    std::optional<std::string> evalStoreUrl;
-
-private:
-    std::map<std::string, std::string> autoArgs;
-};
-
-Path lookupFileArg(EvalState & state, std::string_view s);
-
-}
-- 
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