Julia session without ENV["HOME"] on Windows

session-log.jl

               _
   _       _ _(_)_     |  A fresh approach to technical computing
  (_)     | (_) (_)    |  Documentation: http://docs.julialang.org
   _ _   _| |_  __ _   |  Type "?help" for help.
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 0.4.0 (2015-10-08 06:20 UTC)
 _/ |\__'_|_|_|\__'_|  |  Official http://julialang.org/ release
|__/                   |  x86_64-w64-mingw32

julia> cd(Pkg.dir("DualNumbers"))

shell> git status
On branch dual-mod
Your branch is up-to-date with 'tlycken/dual-mod'.

nothing to commit, working directory clean

shell> git remote -v
origin  https://github.com/JuliaDiff/DualNumbers.jl (fetch)
origin  https://github.com/JuliaDiff/DualNumbers.jl (push)
tlycken [email protected]:tlycken/DualNumbers.jl.git (fetch)
tlycken [email protected]:tlycken/DualNumbers.jl.git (push)

shell> git pull
Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

julia> ENV["HOME"] = homedir()
"C:\\Users\\Tomas Lycken"

shell> git pull
Warning: Permanently added the RSA host key for IP address '192.30.252.129' to the list of known hosts.
Already up-to-date.

julia> pop!(ENV, "HOME")
"C:\\Users\\Tomas Lycken"

shell> git pull
Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

julia> run(Pkg.Git.cmd(`pull`))
Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
ERROR: failed process: Process(`git pull`, ProcessExited(1)) [1]
 in run at process.jl:531

julia> Pkg.Git.run(`pull`)
Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
ERROR: failed process: Process(`git pull`, ProcessExited(1)) [1]
 in pipeline_error at process.jl:555