Implement multi-project synchronization

Now the same configuration can be shared by multiple projects and a sync
command from any of them (or from the build system hook) will synchronize
everyting.

1 files changed, 17 insertions, 0 deletions

diff --git a/bdep/utility.cxx b/bdep/utility.cxx
index e048a5a..15fb599 100644
--- a/bdep/utility.cxx
+++ b/bdep/utility.cxx
@@ -109,6 +109,23 @@ namespace bdep
       : "bpkg" BDEP_EXE_SUFFIX;
   }
 
+  void
+  finish_bpkg (const common_options& co, process& pr, bool io)
+  {
+    if (!pr.wait ())
+    {
+      const process_exit& e (*pr.exit);
+
+      if (e.normal ())
+        throw failed (); // Assume the child issued diagnostics.
+
+      fail << "process " << name_bpkg (co) << " " << e;
+    }
+
+    if (io)
+      fail << "error reading " << name_bpkg (co) << " output";
+  }
+
   const char*
   name_b (const common_options& co)
   {