treewide: print* -> format* for functions not printing

Those functions have been recently refactored to return a formatted
`string` or take an `std::ostream` and only do the formatting have been
renamed to match what they're actually doing.

Change-Id: I3fe32fbe8723c2d93226370b8dd297f16a6a6964

lix/legacy/dotgraph.cc

@@ -40,7 +40,7 @@ static std::string makeNode(std::string_view id, std::string_view label,
         dotQuote(id), dotQuote(label), dotQuote(colour));
 }
 
-kj::Promise<Result<std::string>> printDotGraph(ref<Store> store, StorePathSet && roots)
+kj::Promise<Result<std::string>> formatDotGraph(ref<Store> store, StorePathSet && roots)
 try {
     StorePathSet workList(std::move(roots));
     StorePathSet doneSet;

lix/legacy/dotgraph.hh

@@ -5,5 +5,5 @@
 
 namespace nix {
 
-kj::Promise<Result<std::string>> printDotGraph(ref<Store> store, StorePathSet && roots);
+kj::Promise<Result<std::string>> formatDotGraph(ref<Store> store, StorePathSet && roots);
 }

lix/legacy/graphml.cc

@@ -45,7 +45,7 @@ static std::string makeNode(const ValidPathInfo & info)
         (info.path.isDerivation() ? "derivation" : "output-path"));
 }
 
-kj::Promise<Result<std::string>> printGraphML(ref<Store> store, StorePathSet && roots)
+kj::Promise<Result<std::string>> formatGraphML(ref<Store> store, StorePathSet && roots)
 try {
     StorePathSet workList(std::move(roots));
     StorePathSet doneSet;

lix/legacy/graphml.hh

@@ -5,5 +5,5 @@
 
 namespace nix {
 
-kj::Promise<Result<std::string>> printGraphML(ref<Store> store, StorePathSet && roots);
+kj::Promise<Result<std::string>> formatGraphML(ref<Store> store, StorePathSet && roots);
 }

lix/legacy/nix-env.cc

@@ -892,7 +892,7 @@ static bool cmpElemByName(EvalState & state, DrvInfo & a, DrvInfo & b)
 
 typedef std::list<Strings> Table;
 
-std::string printTable(Table & table)
+std::string formatTable(Table & table)
 {
     auto nrColumns = table.size() > 0 ? table.front().size() : 0;
 
@@ -1367,7 +1367,7 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
         }
 
         if (!xmlOutput) {
-            pager << printTable(table);
+            pager << formatTable(table);
         } else {
             pager << xmlStream.str();
         }

lix/legacy/nix-store.cc

@@ -502,7 +502,7 @@ opQuery(std::shared_ptr<Store> store, AsyncIoRoot & aio, Strings opFlags, String
                     roots.insert(j);
                 }
             }
-            pager << aio.blockOn(printDotGraph(ref<Store>::unsafeFromPtr(store), std::move(roots)));
+            pager << aio.blockOn(formatDotGraph(ref<Store>::unsafeFromPtr(store), std::move(roots)));
             break;
         }
 
@@ -516,7 +516,7 @@ opQuery(std::shared_ptr<Store> store, AsyncIoRoot & aio, Strings opFlags, String
                     roots.insert(j);
                 }
             }
-            pager << aio.blockOn(printGraphML(ref<Store>::unsafeFromPtr(store), std::move(roots)));
+            pager << aio.blockOn(formatGraphML(ref<Store>::unsafeFromPtr(store), std::move(roots)));
             break;
         }