install into global ~/.julia/conda directory (#126)

* install into global ~/.julia/conda directory

* include miniconda version in default rootenv, so that in the future we can have multiple versions installed simultaneously for different projects

* 0.6 installations are already global, better not to touch them

.travis.yml

@@ -3,7 +3,8 @@ os:
     - osx
     - linux
 julia:
-    - 0.6
+    - 0.7
+    - 1.0
     - nightly
 env:
     - CONDA_JL_VERSION="2"

REQUIRE

@@ -1,4 +1,4 @@
-julia 0.6
+julia 0.7
 Compat 0.62.0
 JSON
 VersionParsing

appveyor.yml

@@ -1,6 +1,5 @@
 environment:
   matrix:
-  - julia_version: 0.6
   - julia_version: 0.7
   - julia_version: 1
   - julia_version: nightly

deps/.gitignore

@@ -1,3 +1,2 @@
-usr/
 deps.jl
 !.gitignore

deps/build.jl

@@ -1,16 +1,21 @@
 using Compat
 
+const condadir = abspath(homedir(), ".julia", "conda")
+const condadeps = joinpath(condadir, "deps.jl")
+
 module DefaultDeps
     using Compat
     if isfile("deps.jl")
         include("deps.jl")
-    end
-    if !isdefined(@__MODULE__, :ROOTENV)
-        const ROOTENV = abspath(dirname(@__FILE__), "usr")
+    elseif isfile(Main.condadeps)
+        include(Main.condadeps)
     end
     if !isdefined(@__MODULE__, :MINICONDA_VERSION)
         const MINICONDA_VERSION = "3"
     end
+    if !isdefined(@__MODULE__, :ROOTENV)
+        const ROOTENV = joinpath(Main.condadir, MINICONDA_VERSION)
+    end
 end
 
 ROOTENV = get(ENV, "CONDA_JL_HOME", DefaultDeps.ROOTENV)
@@ -33,11 +38,11 @@ const ROOTENV = "$(escape_string(ROOTENV))"
 const MINICONDA_VERSION = "$(escape_string(MINICONDA_VERSION))"
 """
 
-if !isfile("deps.jl") || read("deps.jl", String) != deps
-    write("deps.jl", deps)
-end
+mkpath(condadir)
+mkpath(ROOTENV)
 
-if !isdir(ROOTENV)
-    # Ensure ROOTENV exists, otherwise prefix(ROOTENV) will throw
-    mkpath(ROOTENV)
+for depsfile in ("deps.jl", condadeps)
+    if !isfile(depsfile) || read(depsfile, String) != deps
+        write(depsfile, deps)
+    end
 end