fetch works

src/unix/vpkEnv.Mod

@@ -19,6 +19,25 @@ BEGIN
   Strings.Append(vpkSettings.vpkConfDir, path);
 END mkConfDirPath;
 
+PROCEDURE mkdefPkgDirPath*(VAR name, path: ARRAY OF CHAR);
+VAR
+  home: ARRAY 128 OF CHAR;
+BEGIN
+  getHome(home);
+  COPY(home, path);
+  Strings.Append("/", path);
+  Strings.Append(vpkSettings.vpkPkgDir, path);
+  Strings.Append("/", path);
+  Strings.Append(name, path);
+END mkdefPkgDirPath;
+
+PROCEDURE mkPkgDirPath*(VAR name, path: ARRAY OF CHAR);
+BEGIN
+  Strings.Append("/", path);
+  Strings.Append(name, path);
+END mkPkgDirPath;
+
+
 PROCEDURE setConfFileName;
 VAR
   home: ARRAY 128 OF CHAR;
@@ -65,6 +84,16 @@ 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;
@@ -91,11 +120,7 @@ BEGIN
     Strings.Append('/', tmp);
     Strings.Append(vpkSettings.vpkTreeDir, tmp);
     file.name := tmp;
-    IF ~vpkFiles.Exists(file) THEN
+    createIfNotThere(file);
-      IF ~vpkFiles.mkDir(file.name) THEN
-        Out.String("failed to create tree dir "); Out.String(tmp); Out.Ln; HALT(1);
-      END;
-    END;
 END checkEnv;
 
 BEGIN

src/unix/vpkGit.Mod

@@ -25,4 +25,9 @@ BEGIN
   pull(url, tmp);
 END syncTree;
 
+PROCEDURE fetchRepo*(url: ARRAY OF CHAR; dst: ARRAY OF CHAR);
+BEGIN
+  pull(url, dst);
+END fetchRepo;
+
 END vpkGit.

src/vipack.Mod

@@ -1,6 +1,6 @@
 MODULE vipack;
 IMPORT  Texts, Strings, Oberon, Out,
-  vpkConf, vpkLogger, vpkSyncer, vpkInstaller, opts, StringList;
+  vpkConf, vpkLogger, vpkSyncer, vpkInstaller, vpkdepTree, opts, StringList;
 (*
 PROCEDURE processArgs(VAR package, prefix, tree: ARRAY OF CHAR; deps, sync: BOOLEAN);
 VAR
@@ -80,14 +80,23 @@ BEGIN
 
 END processArgs;
 *)
+
+PROCEDURE msgnopkg(VAR options: opts.Options);
+BEGIN
+      Out.String("you need to mention package name to resolve dependencies for it"); Out.Ln; Out.Ln;
+      opts.showHelp(options);
+END msgnopkg;
+
 PROCEDURE main;
 VAR
-  deps, sync: BOOLEAN;
+  deps, sync, fetch: BOOLEAN;
-  package, prefix, tree: ARRAY 64 OF CHAR;
+  package, prefix, pkgTree: ARRAY 128 OF CHAR;
     
   options: opts.Options;
   foptions: opts.Options;
   opt, fopt: opts.Option;
+
+  depTree: vpkdepTree.TdepTree;
 BEGIN
    options := opts.createOptions();
   foptions := opts.createOptions();
@@ -108,6 +117,14 @@ BEGIN
   opts.setOptRequired(opt, FALSE);
   options.add(options, opt);
 
+  opt := opts.createOpt();
+  opts.setOptName(opt, "-f");
+  opts.setOptLName(opt, "--fetch");
+  opts.setOptHasVal(opt, FALSE);
+  opts.setOptDesc(opt, "only resolve and fetch, do not build");
+  opts.setOptRequired(opt, FALSE);
+  options.add(options, opt);
+
   opt := opts.createOpt();
   opts.setOptName(opt, "-s");
   opts.setOptLName(opt, "--sync");
@@ -142,13 +159,17 @@ BEGIN
   END;
   Out.Ln;
   
-  COPY("", package); COPY("", prefix); COPY("", tree);
+  COPY("", package); COPY("", prefix); COPY("", pkgTree);
   deps := FALSE; sync := FALSE;
 
   fopt := opts.createOpt();
   fopt := opts.findOpt("-d", foptions);
   IF fopt # NIL THEN deps := TRUE END;
 
+  fopt := opts.createOpt();
+  fopt := opts.findOpt("-f", foptions);
+  IF fopt # NIL THEN fetch := TRUE END;
+
   fopt := opts.createOpt();
   fopt := opts.findOpt("-s", foptions);
   IF fopt # NIL THEN sync := TRUE END;
@@ -156,20 +177,22 @@ BEGIN
  
   opts.valOfOpt("-p", foptions, package);
   opts.valOfOpt("-P", foptions, prefix);
-  opts.valOfOpt("-t", foptions, tree);
+  opts.valOfOpt("-t", foptions, pkgTree);
 
   IF sync THEN
     vpkSyncer.sync
-  ELSIF deps THEN
-    IF package # "" THEN
-      vpkInstaller.resolve(package);
   ELSE
-      Out.String("you need to mention package name to resolve dependencies for it"); Out.Ln; Out.Ln;
+    IF package # "" THEN
-      opts.showHelp(options);
+      IF deps THEN
+        depTree := vpkInstaller.resolve(package)
+      ELSIF fetch THEN
+        vpkInstaller.fetch(package, prefix, pkgTree)
+      ELSE
+        vpkInstaller.build(package, prefix, pkgTree)
       END
     ELSE
-     
+      msgnopkg(options)
-    vpkInstaller.build(package, prefix, tree)
+    END
   END;
 
 END main;

src/vpkConf.Mod

@@ -15,11 +15,11 @@ PROCEDURE mkConfContent(VAR path: ARRAY OF CHAR);
 BEGIN
   COPY("", path);
   Strings.Append(open,  path);
-  Strings.Append(vpkSettings.confTreeKey, path);
+  Strings.Append(vpkSettings.rmtTreeKey, path);
   Strings.Append(is,    path);
   Strings.Append(vpkSettings.defTreeVal,   path);
   Strings.Append(newkey, path);
-  Strings.Append(vpkSettings.confTypKey,   path);
+  Strings.Append(vpkSettings.rmtTypKey,   path);
   Strings.Append(is,    path);
   Strings.Append(vpkSettings.defTypVal,    path);
   Strings.Append(close, path);
@@ -60,13 +60,13 @@ BEGIN
   WHILE ~ r.eof & (i < LEN(dt)) DO Files.Read(r, ch); dt[i] := ch; INC(i) END;
   Files.Close(f);
   jsonRecord := vpkJsonParser.Create(dt);
-  b := vpkJsonParser.GetTerminal(jsonRecord, vpkSettings.confTreeKey, tree.url);
+  b := vpkJsonParser.GetTerminal(jsonRecord, vpkSettings.rmtTreeKey, tree.url);
-  IF ~b THEN Out.String("unable to read "); Out.String (vpkSettings.confTreeKey); Out.String(" from json"); Out.Ln; HALT(1); END;
+  IF ~b THEN Out.String("unable to read "); Out.String (vpkSettings.rmtTreeKey); Out.String(" from json"); Out.Ln; HALT(1); END;
-  b := vpkJsonParser.GetTerminal(jsonRecord, vpkSettings.confTypKey, treeTyp);
+  b := vpkJsonParser.GetTerminal(jsonRecord, vpkSettings.rmtTypKey, treeTyp);
-  IF ~b THEN Out.String("unable to read "); Out.String (vpkSettings.confTypKey); Out.String(" from json"); Out.Ln; HALT(1); END;
+  IF ~b THEN Out.String("unable to read "); Out.String (vpkSettings.rmtTypKey); Out.String(" from json"); Out.Ln; HALT(1); END;
-  IF treeTyp = vpkSettings.confTypGitVal THEN
+  IF treeTyp = vpkSettings.rmtTypGitVal THEN
     tree.typ := vpkSettings.git;
-  ELSIF treeTyp = vpkSettings.confTypHttpVal THEN
+  ELSIF treeTyp = vpkSettings.rmtTypHttpVal THEN
     tree.typ := vpkSettings.http
   ELSE
     tree.typ := vpkSettings.unkn;

src/vpkInstaller.Mod

@@ -1,7 +1,7 @@
 MODULE vpkInstaller;
-IMPORT Out, StringList, vpkResolver, vpkdepTree, vpkDot, vpkSettings, vpkJsonDepRetriever;
+IMPORT Out, StringList, vpkResolver, vpkdepTree, vpkDot, vpkSettings, vpkJsonDepRetriever, vpkSyncer;
 
-PROCEDURE resolve*(VAR unit: ARRAY OF CHAR);
+PROCEDURE resolve*(VAR unit: ARRAY OF CHAR): vpkdepTree.TdepTree;
 VAR
   tree: vpkdepTree.TdepTree;
   lst: StringList.TStringList;
@@ -25,9 +25,26 @@ BEGIN
     Out.String(dep.name^); Out.Ln;
     INC(i)
   UNTIL i = tree.Count;
-
+  RETURN tree
 END resolve;
 
+PROCEDURE fetch*(VAR package, prefix, pkgTree: 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 fetch;
 
 PROCEDURE build*(VAR package, prefix, tree: ARRAY OF CHAR);
 

src/vpkJsonDepRetriever.Mod

@@ -1,6 +1,42 @@
 MODULE vpkJsonDepRetriever;
 IMPORT Out, StringList, strutils, vpkJsonParser, vpkStorage, vpkSettings, vpkdepTree;
 
+PROCEDURE getURIandType*(VAR d: vpkdepTree.Tdep; VAR URI: ARRAY OF CHAR; VAR type: ARRAY OF CHAR);
+VAR
+  jsonRecord, remote: vpkJsonParser.JsonTypePointer;
+  p: strutils.pstring;
+  k, v: StringList.pstring;
+  keys, values: StringList.TStringList;
+  i: LONGINT;
+BEGIN
+  p := NIL;
+  vpkStorage.json2pstring(d.name^, p);
+  IF p # NIL THEN
+    jsonRecord := vpkJsonParser.Create(p^);
+    remote := jsonRecord.GetNonTerminal(jsonRecord, vpkSettings.rmtType);
+    IF remote # NIL THEN
+      keys := NIL; values := NIL;
+      remote.GetTerminalKeys(remote, keys);
+      remote.GetTerminalValues(remote, values);
+      i := 0;
+      REPEAT
+        k := keys.GetString(keys, i);
+        v := keys.GetString(values, i);
+        IF k^ = vpkSettings.rmtTypKey THEN COPY(v^, type) END; 
+        IF k^ = vpkSettings.rmtTreeKey THEN COPY(v^, URI) END; 
+        INC(i);
+      UNTIL i = keys.Count - 1;
+     ELSE
+       Out.String("malformed json: no 'Remote' section"); Out.Ln;
+       HALT(63);
+     END
+  ELSE
+    Out.String("no json file for "); Out.String(d.name^); Out.Ln;
+    Out.String("program is not expected to pass unexistent name, something is wrong in other module"); Out.Ln;
+    HALT(64);
+  END
+END getURIandType;
+
 (* returns -1 if no such dependency found, otherwise returns length of depstr string list *)
 PROCEDURE getDeps*(VAR d: vpkdepTree.Tdep; VAR depstrlist: StringList.TStringList): LONGINT;
 VAR
@@ -28,7 +64,7 @@ BEGIN
         RETURN 0
       END
     ELSE
-      RETURN -2 (* json doesn't contain 'type' key, malformed *)
+      RETURN -2 (* json doesn't contain 'Package' key, malformed *)
     END;
   ELSE
     RETURN -1 (* no such json file found *)
@@ -36,4 +72,6 @@ BEGIN
 END getDeps;
 
 
+
+
 END vpkJsonDepRetriever.

src/vpkJsonParser.Mod

@@ -197,6 +197,7 @@ BEGIN
     self.GetTerminal := GetTerminal;
     self.GetNonTerminal := GetNonTerminal;
     self.GetTerminalKeys := GetTerminalKeys;
+    self.GetTerminalValues := GetTerminalValues;
     self.GetNoneTerminalKeys := GetNoneTerminalKeys;
     NEW(characterStack);
     characterStack := vpkCharacterStack.Create();

src/vpkSettings.Mod

@@ -4,16 +4,20 @@ CONST
   vpkConfDir*   = ".vipack";
   vpkConfFile*  = "vipackConf.json";
   vpkTreeDir*   = "vipackTree";
+  vpkPkgDir*    = "vpkLocal";
 
   graphName*      = "deps.dot";
 
-  confTypKey*     = "type";
+  rmtType*         = "Remote";
-  confTypGitVal*  = "git";
+  rmtTypKey*      = "type";
-  confTypHttpVal* = "http";
+  rmtTypGitVal*   = "git";
-  confTreeKey*    = "path";
+  rmtTypHttpVal*  = "http";
+  rmtTypHttpsVal* = "https";
+  rmtTypGemiVal*  = "gemini";
+  rmtTreeKey*     = "path";
   defTreeVal*     = "https://github.com/vishaps/vipackTree";
   confTreeVal*    = defTreeVal;
-  defTypVal*      = confTypGitVal;
+  defTypVal*      = rmtTypGitVal;
 
   pkgTypKey*  = "Package";
   depTypKey*  = "Dependencies";
@@ -24,7 +28,9 @@ CONST
   installPath* = "dependencies";
 
   http*   = 0;
-   git* = 1;
+  https*  = 1;
+  gemini* = 2;
+     git* = 3;
   unkn* = -1;
 TYPE
   tree* = RECORD

src/vpkSyncer.Mod

@@ -22,4 +22,19 @@ BEGIN
     END;
 END sync;
 
+PROCEDURE fetch*(name, url, typ, dst: ARRAY OF CHAR);
+BEGIN
+  IF dst = "" THEN
+    vpkEnv.mkdefPkgDirPath(name, dst);
+  ELSE
+    vpkEnv.mkPkgDirPath(name, dst);
+  END;
+
+  IF typ = vpkSettings.rmtTypGitVal THEN 
+    vpkGit.fetchRepo(url, dst);
+  ELSE
+    Out.String("TODO: not a git url"); Out.Ln
+  END
+END fetch;
+
 END vpkSyncer.