diff --git a/doc/manual/command-ref/nix-store.xml b/doc/manual/command-ref/nix-store.xml
index c827d85b3..41a04f265 100644
--- a/doc/manual/command-ref/nix-store.xml
+++ b/doc/manual/command-ref/nix-store.xml
@@ -679,6 +679,18 @@ query is applied to the target of the symlink.
+
+
+ Prints the references graph of the store paths
+ paths in the GraphML file format.
+ This can be used to visualise dependency graphs. To obtain a
+ build-time dependency graph, apply this to a store derivation. To
+ obtain a runtime dependency graph, apply it to an output
+ path.
+
+
+
name
name
diff --git a/src/nix-store/graphml.cc b/src/nix-store/graphml.cc
new file mode 100644
index 000000000..670fbe227
--- /dev/null
+++ b/src/nix-store/graphml.cc
@@ -0,0 +1,90 @@
+#include "graphml.hh"
+#include "util.hh"
+#include "store-api.hh"
+#include "derivations.hh"
+
+#include
+
+
+using std::cout;
+
+namespace nix {
+
+
+static inline const string & xmlQuote(const 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 string makeEdge(const string & src, const string & dst)
+{
+ return fmt(" \n",
+ xmlQuote(src), xmlQuote(dst));
+}
+
+
+static string makeNode(const ValidPathInfo & info)
+{
+ return fmt(
+ " \n"
+ " %2%\n"
+ " %3%\n"
+ " %4%\n"
+ " \n",
+ info.path,
+ info.narSize,
+ symbolicName(info.path),
+ (isDerivation(info.path) ? "derivation" : "output-path"));
+}
+
+
+void printGraphML(ref store, const PathSet & roots)
+{
+ PathSet workList(roots);
+ PathSet doneSet;
+ std::pair ret;
+
+ cout << "\n"
+ << "\n"
+ << ""
+ << ""
+ << ""
+ << "\n";
+
+ while (!workList.empty()) {
+ Path path = *(workList.begin());
+ workList.erase(path);
+
+ ret = doneSet.insert(path);
+ if (ret.second == false) continue;
+
+ ValidPathInfo info = *(store->queryPathInfo(path));
+ cout << makeNode(info);
+
+ for (auto & p : store->queryPathInfo(path)->references) {
+ if (p != path) {
+ workList.insert(p);
+ cout << makeEdge(path, p);
+ }
+ }
+
+ }
+
+ cout << "\n";
+ cout << "\n";
+}
+
+
+}
diff --git a/src/nix-store/xmlgraph.hh b/src/nix-store/graphml.hh
similarity index 53%
rename from src/nix-store/xmlgraph.hh
rename to src/nix-store/graphml.hh
index a6e7d4e28..b78df1e49 100644
--- a/src/nix-store/xmlgraph.hh
+++ b/src/nix-store/graphml.hh
@@ -6,6 +6,6 @@ namespace nix {
class Store;
-void printXmlGraph(ref store, const PathSet & roots);
+void printGraphML(ref store, const PathSet & roots);
}
diff --git a/src/nix-store/nix-store.cc b/src/nix-store/nix-store.cc
index fe68f681a..e245bd643 100644
--- a/src/nix-store/nix-store.cc
+++ b/src/nix-store/nix-store.cc
@@ -8,7 +8,7 @@
#include "shared.hh"
#include "util.hh"
#include "worker-protocol.hh"
-#include "xmlgraph.hh"
+#include "graphml.hh"
#include
#include
@@ -273,7 +273,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
enum QueryType
{ qDefault, qOutputs, qRequisites, qReferences, qReferrers
, qReferrersClosure, qDeriver, qBinding, qHash, qSize
- , qTree, qGraph, qXml, qResolve, qRoots };
+ , qTree, qGraph, qGraphML, qResolve, qRoots };
QueryType query = qDefault;
bool useOutput = false;
bool includeOutputs = false;
@@ -299,7 +299,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
else if (i == "--size") query = qSize;
else if (i == "--tree") query = qTree;
else if (i == "--graph") query = qGraph;
- else if (i == "--xml") query = qXml;
+ else if (i == "--graphml") query = qGraphML;
else if (i == "--resolve") query = qResolve;
else if (i == "--roots") query = qRoots;
else if (i == "--use-output" || i == "-u") useOutput = true;
@@ -403,13 +403,13 @@ static void opQuery(Strings opFlags, Strings opArgs)
break;
}
- case qXml: {
+ case qGraphML: {
PathSet roots;
for (auto & i : opArgs) {
PathSet paths = maybeUseOutputs(store->followLinksToStorePath(i), useOutput, forceRealise);
roots.insert(paths.begin(), paths.end());
}
- printXmlGraph(ref(store), roots);
+ printGraphML(ref(store), roots);
break;
}
diff --git a/src/nix-store/xmlgraph.cc b/src/nix-store/xmlgraph.cc
deleted file mode 100644
index 0f7be7f7a..000000000
--- a/src/nix-store/xmlgraph.cc
+++ /dev/null
@@ -1,66 +0,0 @@
-#include "xmlgraph.hh"
-#include "util.hh"
-#include "store-api.hh"
-
-#include
-
-
-using std::cout;
-
-namespace nix {
-
-
-static inline const string & xmlQuote(const string & s)
-{
- // Luckily, store paths shouldn't contain any character that needs to be
- // quoted.
- return s;
-}
-
-
-static string makeEdge(const string & src, const string & dst)
-{
- format f = format(" \n")
- % xmlQuote(src) % xmlQuote(dst);
- return f.str();
-}
-
-
-static string makeNode(const string & id)
-{
- format f = format(" \n") % xmlQuote(id);
- return f.str();
-}
-
-
-void printXmlGraph(ref store, const PathSet & roots)
-{
- PathSet workList(roots);
- PathSet doneSet;
-
- cout << "\n"
- << "\n";
-
- while (!workList.empty()) {
- Path path = *(workList.begin());
- workList.erase(path);
-
- if (doneSet.find(path) != doneSet.end()) continue;
- doneSet.insert(path);
-
- cout << makeNode(path);
-
- for (auto & p : store->queryPathInfo(path)->references) {
- if (p != path) {
- workList.insert(p);
- cout << makeEdge(p, path);
- }
- }
-
- }
-
- cout << "\n";
-}
-
-
-}