Fixed: #65 implemented DUB_HOME

Author: MrcSnm

source/redub/api.d

@@ -835,13 +835,38 @@ bool isIncremental(Inference incremental, ProjectNode tree)
 string getDubWorkspacePath()
 {
     import std.process;
+    import std.path :isAbsolute;
     import redub.parsers.environment;
     import redub.misc.path;
 
-    version (Windows)
-        return buildNormalizedPath(redubEnv["LOCALAPPDATA"], "dub");
+    static string dubWorkspace;
+    if(dubWorkspace.length)
+        return dubWorkspace;
+
+    version(Windows)
+        string home = "LOCALAPPDATA";
     else
-        return buildNormalizedPath(redubEnv["HOME"], ".dub");
+        string home = "HOME";
+
+    string dPath = getEnvVariable("DPATH");
+
+    string customHome;
+    if(dPath)
+    {
+        customHome = getEnvVariable("DUB_HOME");
+        if(!isAbsolute(customHome))
+            throw new RedubException("DUB_HOME must not be an absolute path '"~customHome~"' when DPATH is defined ["~dPath~"]");
+        home = buildNormalizedPath(dPath, getEnvVariable("DUB_HOME"));
+    }
+    else
+    {
+        customHome = getEnvVariable("DUB_HOME");
+        if(customHome)
+            home = customHome;
+        else
+            home = getEnvVariable(home);
+    }
+    return dubWorkspace = buildNormalizedPath(home, ".dub");
 }
 
 

source/redub/extensions/update.d

@@ -58,6 +58,7 @@ int updateMain(string[] args)
     {
         auto ret = execute(["git", "pull"], null, Config.none, size_t.max, redubPath);
         gitCode = ret.status;
+
         if(gitCode != 0 && gitCode != isNotGitRepo)
         {
             errorTitle("Git Pull Error: \n", ret.output);
@@ -70,7 +71,7 @@ int updateMain(string[] args)
         }
     }
 
-    if(gitCode == isNotGitRepo || hasGit)
+    if(gitCode == isNotGitRepo || !hasGit)
     {
         import d_downloader;
         latest = getLatestRedubVersion();

source/redub/package_searching/dub.d

@@ -275,7 +275,10 @@ void prefetchPackages(string dubSelectionsPath)
 private string getDefaultLookupPathForPackages()
 {
     import redub.misc.path;
-    return buildNormalizedPath(getDubWorkspacePath, "packages");
+    static string defaultPath;
+    if(!defaultPath)
+        defaultPath = buildNormalizedPath(getDubWorkspacePath, "packages");
+    return defaultPath;
 }
 
 private string getLocalPackagesPath()