Implement pkg-status, pkg-purge commands; start ad-hoc test

1 files changed, 85 insertions, 0 deletions

diff --git a/bpkg/pkg-status.cxx b/bpkg/pkg-status.cxx
new file mode 100644
index 0000000..0d8c474
--- /dev/null
+++ b/bpkg/pkg-status.cxx
@@ -0,0 +1,85 @@
+// file      : bpkg/pkg-status.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <bpkg/pkg-status>
+
+#include <iostream> // cout
+
+#include <bpkg/types>
+#include <bpkg/package>
+#include <bpkg/package-odb>
+#include <bpkg/utility>
+#include <bpkg/database>
+#include <bpkg/diagnostics>
+
+using namespace std;
+using namespace butl;
+
+namespace bpkg
+{
+  void
+  pkg_status (const pkg_status_options& o, cli::scanner& args)
+  {
+    tracer trace ("pkg_status");
+
+    dir_path c (o.directory ());
+    level4 ([&]{trace << "configuration: " << c;});
+
+    if (!args.more ())
+      fail << "package name argument expected" <<
+        info << "run 'bpkg help pkg-status' for more information";
+
+    string n (args.next ());
+
+    version v;
+    if (args.more ())
+    {
+      const char* s (args.next ());
+      try
+      {
+        v = version (s);
+      }
+      catch (const invalid_argument& e)
+      {
+        fail << "invalid package version '" << s << "'";
+      }
+    }
+
+    database db (open (c));
+    transaction t (db.begin ());
+
+    using query = odb::query<package>;
+    query q (query::name == n);
+
+    if (!v.empty ())
+    {
+      q = q && (query::version.epoch == v.epoch () &&
+                query::version.revision == v.revision () &&
+                query::version.canonical_upstream == v.canonical_upstream ());
+    }
+
+    shared_ptr<package> p (db.query_one<package> (q));
+
+    if (p == nullptr)
+    {
+      // @@ TODO: This is where we search the packages available in
+      // the repositories and if found, print its status as 'available'
+      // plus a list of versions.
+      //
+      cout << "unknown";
+    }
+    else
+    {
+      cout << p->state;
+
+      // Also print the version of the package unless the user
+      // specified it.
+      //
+      if (v.empty ())
+        cout << " " << p->version;
+    }
+
+    cout << endl;
+  }
+}