From f619db022734dff6b988c514e3a292a5c7babaf0 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Thu, 22 Feb 2018 15:02:15 +0300
Subject: Invent repository_state() function

---
 bpkg/manifest-utility.cxx | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'bpkg/manifest-utility.cxx')

diff --git a/bpkg/manifest-utility.cxx b/bpkg/manifest-utility.cxx
index 27e2553..ed50298 100644
--- a/bpkg/manifest-utility.cxx
+++ b/bpkg/manifest-utility.cxx
@@ -4,6 +4,8 @@
 
 #include <bpkg/manifest-utility.hxx>
 
+#include <libbutl/sha256.mxx>
+
 #include <bpkg/diagnostics.hxx>
 
 using namespace std;
@@ -124,4 +126,20 @@ namespace bpkg
   {
     fail << "failed to guess repository type for '" << s << "': " << e << endf;
   }
+
+  dir_path
+  repository_state (const repository_location& l)
+  {
+    switch (l.type ())
+    {
+    case repository_type::bpkg: return dir_path (); // No state.
+    case repository_type::git:
+      {
+        return dir_path (sha256 (l.canonical_name ()).abbreviated_string (16));
+      }
+    }
+
+    assert (false); // Can't be here.
+    return dir_path ();
+  }
 }
-- 
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