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-rw-r--r--src/libmain/Makefile.am1
-rw-r--r--src/libmain/shared.cc3
2 files changed, 4 insertions, 0 deletions
diff --git a/src/libmain/Makefile.am b/src/libmain/Makefile.am
index a4969ff36..6d70b0406 100644
--- a/src/libmain/Makefile.am
+++ b/src/libmain/Makefile.am
@@ -7,4 +7,5 @@ AM_CXXFLAGS = \
-DNIX_DATA_DIR=\"$(datadir)\" \
-DNIX_STATE_DIR=\"$(localstatedir)/nix\" \
-DNIX_LOG_DIR=\"$(localstatedir)/log/nix\" \
+ -DNIX_VERSION=\"$(VERSION)\" \
-I.. -I../../externals/inst/include -I../libutil -I../libstore
diff --git a/src/libmain/shared.cc b/src/libmain/shared.cc
index e91ef2667..32f4f8124 100644
--- a/src/libmain/shared.cc
+++ b/src/libmain/shared.cc
@@ -70,6 +70,9 @@ static void initAndRun(int argc, char * * argv)
else if (arg == "--help") {
printHelp();
return;
+ } else if (arg == "--version") {
+ cout << format("%1% (Nix) %2%") % programId % NIX_VERSION << endl;
+ return;
} else if (arg == "--keep-failed" || arg == "-K")
keepFailed = true;
else remaining.push_back(arg);