pushes to the 'deps' directory inside prefix.

src/unix/vpkEnv.Mod

@@ -12,6 +12,16 @@ BEGIN
   END;
 END getHome;
 
+PROCEDURE createIfNotThere*(VAR fileName: ARRAY OF CHAR);
+BEGIN
+    IF ~vpkFiles.ExistsByName(fileName) THEN
+      IF ~vpkFiles.mkDir(fileName) THEN
+        Out.String("failed to create directory "); Out.String(fileName); Out.Ln; HALT(1);
+      END;
+    END;
+
+END createIfNotThere;
+
 PROCEDURE mkConfDirPath(home: ARRAY OF CHAR; VAR path: ARRAY OF CHAR);
 BEGIN
   confDir := home;
@@ -28,16 +38,27 @@ BEGIN
   Strings.Append("/", path);
   Strings.Append(vpkSettings.vpkPkgDir, path);
   Strings.Append("/", path);
+  createIfNotThere(path);
+  Strings.Append(vpkSettings.vpkDepDir, path);
+  Strings.Append("/", path);
+  createIfNotThere(path);
   Strings.Append(name, path);
+  createIfNotThere(path);
+  Strings.Append("/", path);
 END mkdefPkgDirPath;
 
 PROCEDURE mkPkgDirPath*(VAR name, path: ARRAY OF CHAR);
 BEGIN
   Strings.Append("/", path);
+  createIfNotThere(path);
+  Strings.Append(vpkSettings.vpkDepDir, path);
+  Strings.Append("/", path);
+  createIfNotThere(path);
   Strings.Append(name, path);
+  createIfNotThere(path);
+  Strings.Append("/", path);
 END mkPkgDirPath;
 
-
 PROCEDURE setConfFileName;
 VAR
   home: ARRAY 128 OF CHAR;
@@ -84,16 +105,6 @@ BEGIN
   Strings.Append(vpkSettings.vpkTreeDir, path);
 END getTreeDir;
 
-PROCEDURE createIfNotThere*(VAR file: vpkFiles.fileInfo);
-BEGIN
-    IF ~vpkFiles.Exists(file) THEN
-      IF ~vpkFiles.mkDir(file.name) THEN
-        Out.String("failed to create directory "); Out.String(file.name); Out.Ln; HALT(1);
-      END;
-    END;
-
-END createIfNotThere;
-
 PROCEDURE checkEnv*;
 VAR
  file : vpkFiles.fileInfo;
@@ -120,7 +131,7 @@ BEGIN
     Strings.Append('/', tmp);
     Strings.Append(vpkSettings.vpkTreeDir, tmp);
     file.name := tmp;
-    createIfNotThere(file);
+    createIfNotThere(file.name);
 END checkEnv;
 
 BEGIN

src/unix/vpkFiles.Mod

@@ -95,5 +95,34 @@ BEGIN
   END;
 END Exists;
 
+PROCEDURE ExistsByName*(VAR fileName : ARRAY OF CHAR): BOOLEAN;
+VAR
+  i : INTEGER;
+  st: Status;
+  fl: fileInfo;
+BEGIN
+  fl.attr := {};
+  COPY(fileName, fl.name);
+  i := stat(fl.name, st);
+  IF i < 0 THEN RETURN FALSE  END;
+  IF i = 0 THEN (* file exists*) 
+    i := isDir(st.mode);
+    IF i # 0 THEN fl.attr := fl.attr + {dir} END;
+    i := isChar(st.mode);
+    IF i # 0 THEN fl.attr := fl.attr + {char} END;
+    i := isBlock(st.mode);
+    IF i # 0 THEN fl.attr := fl.attr + {block} END;
+    i := isReg(st.mode);
+    IF i # 0 THEN fl.attr := fl.attr + {file} END;
+    i := isFIFO(st.mode);
+    IF i # 0 THEN fl.attr := fl.attr + {fifo} END;
+    i := isLnk(st.mode);
+    IF i # 0 THEN fl.attr := fl.attr + {symlink} END;
+    i := isSock(st.mode);
+    IF i # 0 THEN fl.attr := fl.attr + {socket} END;
+    RETURN TRUE
+  END;
+END ExistsByName;
+
 
 END vpkFiles.

src/vpkInstaller.Mod

@@ -43,12 +43,24 @@ BEGIN
     vpkJsonDepRetriever.getURIandType(dep, URI, typ); 
     vpkSyncer.fetch(dep.name^, URI, typ, prefix);
     INC(i)
-  UNTIL i= depTree.Count;
+  UNTIL i = depTree.Count;
 END fetch;
 
 PROCEDURE build*(VAR package, prefix, tree: ARRAY OF CHAR);
-
+VAR
+  depTree: vpkdepTree.TdepTree;
+      dep: vpkdepTree.Tdep;
+        i: LONGINT;
+      URI: ARRAY 128 OF CHAR;
+      typ: ARRAY 16  OF CHAR;
 BEGIN
-
+  depTree := resolve(package);
+  i := 0;
+  REPEAT
+    dep := vpkdepTree.Get(depTree, i);
+    vpkJsonDepRetriever.getURIandType(dep, URI, typ);
+    vpkSyncer.fetch(dep.name^, URI, typ, prefix);
+    INC(i);
+  UNTIL i = depTree.Count;
 END build;
 END vpkInstaller.

src/vpkSettings.Mod

@@ -5,6 +5,7 @@ CONST
   vpkConfFile*  = "vipackConf.json";
   vpkTreeDir*   = "vipackTree";
   vpkPkgDir*    = "vpkLocal";
+  vpkDepDir*    = "deps";
 
   graphName*      = "deps.dot";
 
@@ -25,7 +26,6 @@ CONST
   packageFileName* = "VersionFile.json";
   host* = "localhost";
   port* = "80";
-  installPath* = "dependencies";
 
   http*   = 0;
   https*  = 1;