sadly https downloads from anaconda.org have certificate issues

and we should give the package manager warning if downloaded git
doesn't work (looks like we need to worry about openssl and maybe
other dependencies)

Author: tkelman

deps/build.jl

@@ -20,12 +20,12 @@ if gitver == "notfound"
     if is_linux() && Sys.ARCH === :x86_64
         # use conda for a non-root option
         gitver = "2.8.2"
-        baseurl = "https://anaconda.org/conda-forge/git/$gitver/download/linux-64/"
+        baseurl = "http://anaconda.org/conda-forge/git/$gitver/download/linux-64/"
         filename = "git-$gitver-2.tar.bz2"
     elseif is_linux() && (Sys.ARCH in (:i686, :i586, :i486, :i386))
         # conda-forge doesn't build for 32 bit linux
         gitver = "2.6.4"
-        baseurl = "https://anaconda.org/anaconda/git/$gitver/download/linux-32/"
+        baseurl = "http://anaconda.org/anaconda/git/$gitver/download/linux-32/"
         filename = "git-$gitver-0.tar.bz2"
     elseif is_windows()
         # download and extract portablegit
@@ -58,8 +58,8 @@ if gitver == "notfound"
         # by setting an environment variable in deps.jl
     catch err
         error("Could not automatically install git, error was: $err\n" *
-            (isempty(downloadurl) ? "Try installing git via your system " *
-            "package manager then running\nPkg.build(\"Git\")" : ""))
+            (is_windows() ? "" : "Try installing git via your " *
+            "system package manager then running\nPkg.build(\"Git\")"))
     end
 else
     try