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-rw-r--r--third_party/nix/src/nix-store/dotgraph.cc26
-rw-r--r--third_party/nix/src/nix-store/graphml.cc12
-rw-r--r--third_party/nix/src/nix-store/nix-store.cc36
3 files changed, 37 insertions, 37 deletions
diff --git a/third_party/nix/src/nix-store/dotgraph.cc b/third_party/nix/src/nix-store/dotgraph.cc
index 0186a7b22ebd..ef335bb5318d 100644
--- a/third_party/nix/src/nix-store/dotgraph.cc
+++ b/third_party/nix/src/nix-store/dotgraph.cc
@@ -9,23 +9,23 @@ using std::cout;
 
 namespace nix {
 
-static string dotQuote(const string& s) { return "\"" + s + "\""; }
+static std::string dotQuote(const std::string& s) { return "\"" + s + "\""; }
 
-static string nextColour() {
+static std::string nextColour() {
   static int n = 0;
-  static string colours[] = {"black", "red",     "green",
-                             "blue",  "magenta", "burlywood"};
-  return colours[n++ % (sizeof(colours) / sizeof(string))];
+  static std::string colours[] = {"black", "red",     "green",
+                                  "blue",  "magenta", "burlywood"};
+  return colours[n++ % (sizeof(colours) / sizeof(std::string))];
 }
 
-static string makeEdge(const string& src, const string& dst) {
+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 string makeNode(const string& id, const string& label,
-                       const string& colour) {
+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") %
@@ -33,15 +33,15 @@ static string makeNode(const string& id, const string& label,
   return f.str();
 }
 
-static string symbolicName(const string& path) {
-  string p = baseNameOf(path);
-  return string(p, p.find('-') + 1);
+static std::string symbolicName(const std::string& path) {
+  std::string p = baseNameOf(path);
+  return std::string(p, p.find('-') + 1);
 }
 
 #if 0
-string pathLabel(const Path & nePath, const string & elemPath)
+std::string pathLabel(const Path & nePath, const std::string & elemPath)
 {
-    return (string) nePath + "-" + elemPath;
+    return (std::string) nePath + "-" + elemPath;
 }
 
 
diff --git a/third_party/nix/src/nix-store/graphml.cc b/third_party/nix/src/nix-store/graphml.cc
index a1a16cc8f28a..86b1c6b94231 100644
--- a/third_party/nix/src/nix-store/graphml.cc
+++ b/third_party/nix/src/nix-store/graphml.cc
@@ -10,23 +10,23 @@ using std::cout;
 
 namespace nix {
 
-static inline const string& xmlQuote(const string& s) {
+static inline const std::string& xmlQuote(const std::string& s) {
   // Luckily, store paths shouldn't contain any character that needs to be
   // quoted.
   return s;
 }
 
-static string symbolicName(const string& path) {
-  string p = baseNameOf(path);
-  return string(p, p.find('-') + 1);
+static std::string symbolicName(const std::string& path) {
+  std::string p = baseNameOf(path);
+  return std::string(p, p.find('-') + 1);
 }
 
-static string makeEdge(const string& src, const string& dst) {
+static std::string makeEdge(const std::string& src, const std::string& dst) {
   return fmt("  <edge source=\"%1%\" target=\"%2%\"/>\n", xmlQuote(src),
              xmlQuote(dst));
 }
 
-static string makeNode(const ValidPathInfo& info) {
+static std::string makeNode(const ValidPathInfo& info) {
   return fmt(
       "  <node id=\"%1%\">\n"
       "    <data key=\"narSize\">%2%</data>\n"
diff --git a/third_party/nix/src/nix-store/nix-store.cc b/third_party/nix/src/nix-store/nix-store.cc
index 40d6f01cd96c..713439308ae8 100644
--- a/third_party/nix/src/nix-store/nix-store.cc
+++ b/third_party/nix/src/nix-store/nix-store.cc
@@ -252,8 +252,8 @@ static void opPrintFixedPath(Strings opFlags, Strings opArgs) {
 
   auto i = opArgs.begin();
   HashType hashAlgo = parseHashType(*i++);
-  string hash = *i++;
-  string name = *i++;
+  std::string hash = *i++;
+  std::string name = *i++;
 
   cout << format("%1%\n") %
               store->makeFixedOutputPath(recursive, Hash(hash, hashAlgo), name);
@@ -279,12 +279,12 @@ static PathSet maybeUseOutputs(const Path& storePath, bool useOutput,
    graph.  Topological sorting is used to keep the tree relatively
    flat. */
 
-const string treeConn = "+---";
-const string treeLine = "|   ";
-const string treeNull = "    ";
+const std::string treeConn = "+---";
+const std::string treeLine = "|   ";
+const std::string treeNull = "    ";
 
-static void printTree(const Path& path, const string& firstPad,
-                      const string& tailPad, PathSet& done) {
+static void printTree(const Path& path, const std::string& firstPad,
+                      const std::string& tailPad, PathSet& done) {
   if (done.find(path) != done.end()) {
     cout << format("%1%%2% [...]\n") % firstPad % path;
     return;
@@ -334,7 +334,7 @@ static void opQuery(Strings opFlags, Strings opArgs) {
   bool useOutput = false;
   bool includeOutputs = false;
   bool forceRealise = false;
-  string bindingName;
+  std::string bindingName;
 
   for (auto& i : opFlags) {
     QueryType prev = query;
@@ -776,7 +776,7 @@ static void opDump(Strings opFlags, Strings opArgs) {
   }
 
   FdSink sink(STDOUT_FILENO);
-  string path = *opArgs.begin();
+  std::string path = *opArgs.begin();
   dumpPath(path, sink);
   sink.flush();
 }
@@ -1154,9 +1154,9 @@ static void opGenerateBinaryCacheKey(Strings opFlags, Strings opArgs) {
     throw UsageError("three arguments expected");
   }
   auto i = opArgs.begin();
-  string keyName = *i++;
-  string secretKeyFile = *i++;
-  string publicKeyFile = *i++;
+  std::string keyName = *i++;
+  std::string secretKeyFile = *i++;
+  std::string publicKeyFile = *i++;
 
 #if HAVE_SODIUM
   if (sodium_init() == -1) {
@@ -1169,13 +1169,13 @@ static void opGenerateBinaryCacheKey(Strings opFlags, Strings opArgs) {
     throw Error("key generation failed");
   }
 
-  writeFile(publicKeyFile,
-            keyName + ":" +
-                base64Encode(string((char*)pk, crypto_sign_PUBLICKEYBYTES)));
+  writeFile(publicKeyFile, keyName + ":" +
+                               base64Encode(std::string(
+                                   (char*)pk, crypto_sign_PUBLICKEYBYTES)));
   umask(0077);
-  writeFile(secretKeyFile,
-            keyName + ":" +
-                base64Encode(string((char*)sk, crypto_sign_SECRETKEYBYTES)));
+  writeFile(secretKeyFile, keyName + ":" +
+                               base64Encode(std::string(
+                                   (char*)sk, crypto_sign_SECRETKEYBYTES)));
 #else
   throw Error(
       "Nix was not compiled with libsodium, required for signed binary cache "