Add support for comma-separated list of git reference filter

2 files changed, 24 insertions, 1 deletions

diff --git a/libbpkg/manifest.cxx b/libbpkg/manifest.cxx
index e1dfb52..2374b77 100644
--- a/libbpkg/manifest.cxx
+++ b/libbpkg/manifest.cxx
@@ -2093,7 +2093,7 @@ namespace bpkg
         // Verify the URL fragment.
         //
         if (url_.fragment)
-          git_ref_filter r (*url_.fragment);
+          parse_git_ref_filters (*url_.fragment);
 
         break;
       }
@@ -2327,6 +2327,19 @@ namespace bpkg
         "git repository commit id must be 40 characters long");
   }
 
+  git_ref_filters
+  parse_git_ref_filters (const string& s)
+  {
+    git_ref_filters r;
+    for (size_t p (0); p != string::npos; )
+    {
+      size_t e (s.find (',', p));
+      r.emplace_back (string (s, p, e != string::npos ? e - p : e));
+      p = e != string::npos ? e + 1 : e;
+    }
+    return r;
+  }
+
   // repository_manifest
   //
   repository_role repository_manifest::
diff --git a/libbpkg/manifest.hxx b/libbpkg/manifest.hxx
index fdec69e..f3223b6 100644
--- a/libbpkg/manifest.hxx
+++ b/libbpkg/manifest.hxx
@@ -849,6 +849,8 @@ namespace bpkg
 
   public:
     // Parse the [<name>][@<commit>] repository URL fragment representation.
+    // Throw std::invalid_argument if the filter representation format is
+    // invalid.
     //
     explicit
     git_ref_filter (const std::string&);
@@ -859,6 +861,14 @@ namespace bpkg
           commit (std::move (c)) {}
   };
 
+  using git_ref_filters = std::vector<git_ref_filter>;
+
+  // Parse a comma-separated list of git reference filters. Throw
+  // std::invalid_argument if the filter list format is invalid.
+  //
+  LIBBPKG_EXPORT git_ref_filters
+  parse_git_ref_filters (const std::string&);
+
   enum class repository_role
   {
     base,