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-rw-r--r--src/nix/installables.cc42
-rw-r--r--src/nix/installables.hh12
-rw-r--r--src/nix/path-info.cc99
-rw-r--r--src/nix/verify.cc6
4 files changed, 131 insertions, 28 deletions
diff --git a/src/nix/installables.cc b/src/nix/installables.cc
index 6257c7679af9..8341bbc5a3a4 100644
--- a/src/nix/installables.cc
+++ b/src/nix/installables.cc
@@ -9,6 +9,41 @@
 
 namespace nix {
 
+Value * MixInstallables::buildSourceExpr(EvalState & state)
+{
+    Value * vRoot = state.allocValue();
+
+    if (file != "") {
+        Expr * e = state.parseExprFromFile(resolveExprPath(lookupFileArg(state, file)));
+        state.eval(e, *vRoot);
+    }
+
+    else {
+
+        /* Construct the installation source from $NIX_PATH. */
+
+        auto searchPath = state.getSearchPath();
+
+        state.mkAttrs(*vRoot, searchPath.size());
+
+        std::unordered_set<std::string> seen;
+
+        for (auto & i : searchPath) {
+            if (i.first == "") continue;
+            if (seen.count(i.first)) continue;
+            seen.insert(i.first);
+            if (!pathExists(i.second)) continue;
+            mkApp(*state.allocAttr(*vRoot, state.symbols.create(i.first)),
+                state.getBuiltin("import"),
+                mkString(*state.allocValue(), i.second));
+        }
+
+        vRoot->attrs->sort();
+    }
+
+    return vRoot;
+}
+
 UserEnvElems MixInstallables::evalInstallables(ref<Store> store)
 {
     UserEnvElems res;
@@ -46,15 +81,12 @@ UserEnvElems MixInstallables::evalInstallables(ref<Store> store)
 
             EvalState state({}, store);
 
-            Expr * e = state.parseExprFromFile(resolveExprPath(lookupFileArg(state, file)));
-
-            Value vRoot;
-            state.eval(e, vRoot);
+            auto vRoot = buildSourceExpr(state);
 
             std::map<string, string> autoArgs_;
             Bindings & autoArgs(*evalAutoArgs(state, autoArgs_));
 
-            Value & v(*findAlongAttrPath(state, installable, autoArgs, vRoot));
+            Value & v(*findAlongAttrPath(state, installable, autoArgs, *vRoot));
             state.forceValue(v);
 
             DrvInfos drvs;
diff --git a/src/nix/installables.hh b/src/nix/installables.hh
index 5eb897d46148..a58f7dc59bb4 100644
--- a/src/nix/installables.hh
+++ b/src/nix/installables.hh
@@ -21,10 +21,13 @@ struct UserEnvElem
 
 typedef std::vector<UserEnvElem> UserEnvElems;
 
+struct Value;
+class EvalState;
+
 struct MixInstallables : virtual Args
 {
     Strings installables;
-    Path file = "<nixpkgs>";
+    Path file;
 
     MixInstallables()
     {
@@ -33,6 +36,13 @@ struct MixInstallables : virtual Args
     }
 
     UserEnvElems evalInstallables(ref<Store> store);
+
+    /* Return a value representing the Nix expression from which we
+       are installing. This is either the file specified by ‘--file’,
+       or an attribute set constructed from $NIX_PATH, e.g. ‘{ nixpkgs
+       = import ...; bla = import ...; }’. */
+    Value * buildSourceExpr(EvalState & state);
+
 };
 
 }
diff --git a/src/nix/path-info.cc b/src/nix/path-info.cc
index c61fe7ff1e00..d8b6232d47ca 100644
--- a/src/nix/path-info.cc
+++ b/src/nix/path-info.cc
@@ -1,6 +1,7 @@
 #include "command.hh"
 #include "shared.hh"
 #include "store-api.hh"
+#include "json.hh"
 
 #include <iomanip>
 #include <algorithm>
@@ -12,12 +13,14 @@ struct CmdPathInfo : StorePathsCommand
     bool showSize = false;
     bool showClosureSize = false;
     bool showSigs = false;
+    bool json = false;
 
     CmdPathInfo()
     {
         mkFlag('s', "size", "print size of the NAR dump of each path", &showSize);
         mkFlag('S', "closure-size", "print sum size of the NAR dumps of the closure of each path", &showClosureSize);
         mkFlag(0, "sigs", "show signatures", &showSigs);
+        mkFlag(0, "json", "produce JSON output", &json);
     }
 
     std::string name() override
@@ -41,6 +44,10 @@ struct CmdPathInfo : StorePathsCommand
                 "To check the existence of a path in a binary cache:",
                 "nix path-info -r /nix/store/7qvk5c91...-geeqie-1.1 --store https://cache.nixos.org/"
             },
+            Example{
+                "To print the 10 most recently added paths (using --json and the jq(1) command):",
+                "nix path-info --all --json | jq -r 'sort_by(.registrationTime)[-11:-1][].path'"
+            },
         };
     }
 
@@ -50,35 +57,85 @@ struct CmdPathInfo : StorePathsCommand
         for (auto & storePath : storePaths)
             pathLen = std::max(pathLen, storePath.size());
 
-        for (auto storePath : storePaths) {
-            auto info = store->queryPathInfo(storePath);
-            storePath = info->path; // FIXME: screws up padding
+        auto getClosureSize = [&](const Path & storePath) -> unsigned long long {
+            unsigned long long totalSize = 0;
+            PathSet closure;
+            store->computeFSClosure(storePath, closure, false, false);
+            for (auto & p : closure)
+                totalSize += store->queryPathInfo(p)->narSize;
+            return totalSize;
+        };
 
-            std::cout << storePath << std::string(std::max(0, (int) pathLen - (int) storePath.size()), ' ');
+        if (json) {
+            JSONList jsonRoot(std::cout, true);
 
-            if (showSize) {
-                std::cout << '\t' << std::setw(11) << info->narSize;
-            }
+            for (auto storePath : storePaths) {
+                auto info = store->queryPathInfo(storePath);
+                storePath = info->path;
+
+                auto jsonPath = jsonRoot.object();
+                jsonPath
+                    .attr("path", storePath)
+                    .attr("narHash", info->narHash.to_string())
+                    .attr("narSize", info->narSize);
+
+                if (showClosureSize)
+                    jsonPath.attr("closureSize", getClosureSize(storePath));
+
+                if (info->deriver != "")
+                    jsonPath.attr("deriver", info->deriver);
+
+                {
+                    auto jsonRefs = jsonPath.list("references");
+                    for (auto & ref : info->references)
+                        jsonRefs.elem(ref);
+                }
+
+                if (info->registrationTime)
+                    jsonPath.attr("registrationTime", info->registrationTime);
+
+                if (info->ultimate)
+                    jsonPath.attr("ultimate", info->ultimate);
 
-            if (showClosureSize) {
-                size_t totalSize = 0;
-                PathSet closure;
-                store->computeFSClosure(storePath, closure, false, false);
-                for (auto & p : closure)
-                    totalSize += store->queryPathInfo(p)->narSize;
-                std::cout << '\t' << std::setw(11) << totalSize;
+                if (info->ca != "")
+                    jsonPath.attr("ca", info->ca);
+
+                if (!info->sigs.empty()) {
+                    auto jsonSigs = jsonPath.list("signatures");
+                    for (auto & sig : info->sigs)
+                        jsonSigs.elem(sig);
+                }
             }
+        }
+
+        else {
+
+            for (auto storePath : storePaths) {
+                auto info = store->queryPathInfo(storePath);
+                storePath = info->path; // FIXME: screws up padding
+
+                std::cout << storePath << std::string(std::max(0, (int) pathLen - (int) storePath.size()), ' ');
 
-            if (showSigs) {
-                std::cout << '\t';
-                Strings ss;
-                if (info->ultimate) ss.push_back("ultimate");
-                for (auto & sig : info->sigs) ss.push_back(sig);
-                std::cout << concatStringsSep(" ", ss);
+                if (showSize)
+                    std::cout << '\t' << std::setw(11) << info->narSize;
+
+                if (showClosureSize)
+                    std::cout << '\t' << std::setw(11) << getClosureSize(storePath);
+
+                if (showSigs) {
+                    std::cout << '\t';
+                    Strings ss;
+                    if (info->ultimate) ss.push_back("ultimate");
+                    if (info->ca != "") ss.push_back("ca:" + info->ca);
+                    for (auto & sig : info->sigs) ss.push_back(sig);
+                    std::cout << concatStringsSep(" ", ss);
+                }
+
+                std::cout << std::endl;
             }
 
-            std::cout << std::endl;
         }
+
     }
 };
 
diff --git a/src/nix/verify.cc b/src/nix/verify.cc
index fd904f465687..f2b6acdfbf0b 100644
--- a/src/nix/verify.cc
+++ b/src/nix/verify.cc
@@ -116,12 +116,16 @@ struct CmdVerify : StorePathsCommand
                             }
                         };
 
+                        if (info->isContentAddressed(*store)) validSigs = ValidPathInfo::maxSigs;
+
                         doSigs(info->sigs);
 
                         for (auto & store2 : substituters) {
                             if (validSigs >= actualSigsNeeded) break;
                             try {
-                                doSigs(store2->queryPathInfo(info->path)->sigs);
+                                auto info2 = store2->queryPathInfo(info->path);
+                                if (info2->isContentAddressed(*store)) validSigs = ValidPathInfo::maxSigs;
+                                doSigs(info2->sigs);
                             } catch (InvalidPath &) {
                             } catch (Error & e) {
                                 printMsg(lvlError, format(ANSI_RED "error:" ANSI_NORMAL " %s") % e.what());
generated by cgit-pink 1.4.1 (git 2.44.2) at 2024-12-26T11·38+0000