fix: prevent masking env variables (#92)

* fix: prevent overwriting env variables

* bump version

* make it 1.1 compat

---------

Co-authored-by: test <test@example.com>

Author: vdayanand

Project.toml

@@ -1,7 +1,7 @@
 name = "RegistryTools"
 uuid = "d1eb7eb1-105f-429d-abf5-b0f65cb9e2c4"
 authors = ["Stefan Karpinski <stefan@karpinski.org>"]
-version = "2.2.2"
+version = "2.2.3"
 
 [deps]
 AutoHashEquals = "15f4f7f2-30c1-5605-9d31-71845cf9641f"

src/types.jl

@@ -22,7 +22,9 @@ function path(cache::RegistryCache, registry_url::AbstractString)
 end
 
 function get_registry_default_branch(git::Cmd)
-    lines = collect(eachline(Cmd(`$git remote show origin`, env=("LANG" => "en_US.UTF-8",))))
+    env = copy(ENV)
+    env["LANG"] = "en_US.UTF-8"
+    lines = collect(eachline(setenv(`$git remote show origin`, env)))
     idx = findfirst(x -> occursin("HEAD branch", x), lines)
     idx === nothing && error("Failed to get default branch of registry")
     strip(split(lines[idx], ":")[2])