fix #118 - add support for the new DUB package naming scheme

src/u_dubproject.pas

@@ -30,6 +30,7 @@ type
   strict private
     fName : string;
     fVersions: TSemVerList;
+    fNewNamingScheme: boolean;
   public
     constructor create;
     destructor destroy; override;
@@ -38,6 +39,7 @@ type
     function highestInInterval(constref lo, hi: TSemVer): PSemVer;
     function highest: PSemVer;
     property name: string read fName write fName;
+    property newNamingScheme: boolean read fNewNamingScheme write fNewNamingScheme;
   end;
 
   TDubLocalPackages = class
@@ -359,10 +361,12 @@ begin
   begin
     v := fVersions[i]^;
     if v < lo then
-      continue;
-    if v < hi then
-      result := fVersions[i];
-    if v > hi then
+      continue
+    else if (v > lo) or (v = lo) then
+      result := fVersions[i]
+    else if (v < hi) and ((assigned(result) and (v > result^)) or (not assigned(result))) then
+      result := fVersions[i]
+    else if v > hi then
       break;
   end;
 end;
@@ -395,6 +399,23 @@ begin
 end;
 
 class procedure TDubLocalPackages.update;
+
+  procedure addPackageOrVersion(name, semVer: string; newNamingScheme: Boolean);
+  var
+    d: PDubLocalPackage = nil;
+  begin
+    if not find(name, d) then
+    begin
+      setLength(fLocalPackages, length(fLocalPackages) + 1);
+      fLocalPackages[high(fLocalPackages)] := TDubLocalPackage.create;
+      d := @fLocalPackages[high(fLocalPackages)];
+      d^.name := name;
+      d^.newNamingScheme := newNamingScheme;
+    end;
+    d^.addVersion(semVer);
+  end;
+
+
 var
   p: TStringList;
   r: TStringList;
@@ -404,9 +425,10 @@ var
   i: integer;
   j: integer = 0;
   k: integer;
-  d: PDubLocalPackage = nil;
   h: TStringRange = (ptr: nil; pos: 0; len: 0);
   x: string;
+  u: TStringList;
+  g: string;
 
 begin
 
@@ -441,33 +463,42 @@ begin
         j := 0;
         s := p[i];
         h.init(s);
-        while true do
+        // after 2.104    <cachePath>/<package>/<version>/<package>
+        // new naming scheme can be distinguished because '.' is not a legal char in a package name
+        v := s.extractFileName;
+        if (Pos('.', v) < 1) and (Pos('master', v) < 1) then
         begin
-          h.popUntil('-');
-          if h.empty then
-            break;
-          if (h.popFront^.front in ['0'..'9']) or
-              h.endsWith('master') then
+          u := TStringList.Create;
+          try
+            listFolders(u, s + DirectorySeparator);
+            for g in u do
+              addPackageOrVersion(v,  'v' + g.extractFileName, true);
+          finally
+            u.free;
+          end;
+        end
+        // before 2.104 <cachePath>/<package>-<version>/<package>
+        else
+        begin
+          while true do
           begin
-            j := h.position;
-            break;
+            h.popUntil('-');
+            if h.empty then
+              break;
+            if (h.popFront^.front in ['0'..'9']) or
+                h.endsWith('master') then
+            begin
+              j := h.position;
+              break;
+            end;
+          end;
+          if not j.equals(0) then
+          begin
+            n := s[1..j-1];
+            n := n.extractFileName;
+            addPackageOrVersion(n,  'v' + s[j+1 .. length(s)], false);
           end;
         end;
-        if j.equals(0) then
-          continue;
-
-        n := s[1..j-1];
-        n := n.extractFileName;
-        if not find(n, d) then
-        begin
-          setLength(fLocalPackages, length(fLocalPackages) + 1);
-          fLocalPackages[high(fLocalPackages)] := TDubLocalPackage.create;
-          d := @fLocalPackages[high(fLocalPackages)];
-          d^.name := n;
-        end;
-        v := 'v' + s[j+1 .. length(s)];
-        d^.addVersion(v);
-
       end;
     finally
       p.Free;
@@ -509,7 +540,6 @@ begin
       hi.patch := 0;
       hi.additional :='';
       result := package^.highestInInterval(opVer, hi);
-      result := result;
     end;
   end
   else if op = '=' then
@@ -1742,15 +1772,19 @@ procedure TDubProject.updateImportPathsFromJson;
             for k := 0 to b.Count-1 do
             begin
               s := b[k] + n;
-              p :=  s + '-' + u^.asString + DirectorySeparator + n + DirectorySeparator;
-              // e.g vibe-d:http ->  <registrypath>/vibed-<sember>/http
+              p := s + '-' + u^.asString + DirectorySeparator + n + DirectorySeparator;
+              // new naming scheme
+              if not p.dirExists then
+                p := s + DirectorySeparator + u^.asString + DirectorySeparator + n + DirectorySeparator;
+              // e.g vibe-d:http ->  <registrypath>/vibed/<semver>/vibed/http
+              // e.g ae:sys-wininet ->  <registrypath>/ae/<semver>/ae/sys/wininet
               if length(w) <> 0 then
-                p += w;
+                p += strutils.ReplaceText(w, '-', DirectorySeparator);
               if not p.dirExists then
                 continue;
               if (p + 'source').dirExists then
               begin
-                fImportPaths.Add(p + 'source')  ;
+                fImportPaths.Add(p + 'source');
                 break;
               end
               else if (p + 'src').dirExists then