Use SYSTEMROOT env variable for powershell detection (#29803)

(cherry picked from commit 7454dc9)
JuliaLang · Dec 12, 2018 · 441a887 · 441a887
1 parent 87c18f9
commit 441a887
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/base/download.jl b/base/download.jl
@@ -4,7 +4,7 @@
 
 if Sys.iswindows()
     function download(url::AbstractString, filename::AbstractString)
-        ps = "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe"
+        ps = joinpath(get(ENV, "SYSTEMROOT", "C:\\Windows"), "System32\\WindowsPowerShell\\v1.0\\powershell.exe")
         tls12 = "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12"
         client = "New-Object System.Net.Webclient"
         # in the following we escape ' with '' (see https://ss64.com/ps/syntax-esc.html)