1 files changed, 30 insertions, 0 deletions
diff --git a/pkgs/servers/sql/postgresql/ext/smlar.nix b/pkgs/servers/sql/postgresql/ext/smlar.nix
new file mode 100644
index 00000000000..adefe085a0b
--- /dev/null
+++ b/pkgs/servers/sql/postgresql/ext/smlar.nix
@@ -0,0 +1,30 @@
+{ stdenv, fetchgit, postgresql }:
+
+stdenv.mkDerivation rec {
+  pname = "smlar-unstable";
+  version = "2020-04-08";
+
+  src = fetchgit {
+    url = "git://sigaev.ru/smlar.git";
+    rev = "0c345af71969d9863bb76efa833391d00705669e";
+    sha256 = "1pr3pbnjc9n209l52sgsn4xqzp92qk6wci55hcqjjrwf2gdxy0yr";
+  };
+
+  buildInputs = [ postgresql ];
+
+  makeFlags = [ "USE_PGXS=1" ];
+
+  installPhase = ''
+    install -D -t $out/lib *.so
+    install -D -t $out/share/postgresql/extension *.sql
+    install -D -t $out/share/postgresql/extension *.control
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Compute similary of any one-dimensional arrays";
+    homepage = "http://sigaev.ru/git/gitweb.cgi?p=smlar.git";
+    platforms = postgresql.meta.platforms;
+    license = licenses.bsd2;
+    maintainers = [ maintainers.marsam ];
+  };
+}