Add support for rep-list and rep-remove, update rep-add

1 files changed, 36 insertions, 26 deletions

diff --git a/bpkg/rep-add.cxx b/bpkg/rep-add.cxx
index 7adb843..690b584 100644
--- a/bpkg/rep-add.cxx
+++ b/bpkg/rep-add.cxx
@@ -27,43 +27,53 @@ namespace bpkg
       fail << "repository location argument expected" <<
         info << "run 'bpkg help rep-add' for more information";
 
-    repository_location rl (
-      parse_location (args.next (),
-                      o.type_specified ()
-                      ? optional<repository_type> (o.type ())
-                      : nullopt));
-
-    const string& rn (rl.canonical_name ());
-
-    // Create the new repository and add is as a complement to the root.
-    //
     database db (open (c, trace));
     transaction t (db.begin ());
     session s; // Repository dependencies can have cycles.
 
-    // It is possible that this repository is already in the database.
-    // For example, it might be a prerequisite of one of the already
-    // added repository.
-    //
-    shared_ptr<repository> r (db.find<repository> (rl.canonical_name ()));
+    shared_ptr<repository> root (db.load<repository> (""));
 
-    if (r == nullptr)
+    while (args.more ())
     {
-      r.reset (new repository (rl));
-      db.persist (r);
+      repository_location rl (
+        parse_location (args.next (),
+                        o.type_specified ()
+                        ? optional<repository_type> (o.type ())
+                        : nullopt));
+
+      const string& rn (rl.canonical_name ());
+
+      // Create the new repository if it is not in the database yet. Otherwise
+      // update its location. Add it as a complement to the root repository (if
+      // it is not there yet).
+      //
+      shared_ptr<repository> r (db.find<repository> (rn));
+
+      bool updated (false);
+
+      if (r == nullptr)
+      {
+        r.reset (new repository (rl));
+        db.persist (r);
+      }
+      else if (r->location.url () != rl.url ())
+      {
+        r->location = rl;
+        db.update (r);
+
+        updated = true;
+      }
+
+      bool added (
+        root->complements.insert (lazy_shared_ptr<repository> (db, r)).second);
+
+      if (verb)
+        text << (added ? "added " : updated ? "updated " : "unchanged ") << rn;
     }
 
-    shared_ptr<repository> root (db.load<repository> (""));
-
-    if (!root->complements.insert (lazy_shared_ptr<repository> (db, r)).second)
-      fail << rn << " is already a repository of this configuration";
-
     db.update (root);
     t.commit ();
 
-    if (verb)
-      text << "added repository " << rn;
-
     return 0;
   }
 }