From 3d846272d21d6e937fe1bcf66e8aa84b2b32c99b Mon Sep 17 00:00:00 2001
From: Rory Finnegan <rory.finnegan@gmail.com>
Date: Thu, 31 Jan 2019 13:54:58 -0600
Subject: [PATCH] Specify channel when adding package. (#139)

---
 src/Conda.jl     | 5 +++--
 test/runtests.jl | 3 +++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Conda.jl b/src/Conda.jl
index 57e7dc2..dc47444 100644
--- a/src/Conda.jl
+++ b/src/Conda.jl
@@ -179,8 +179,9 @@ end
 const PkgOrPkgs = Union{AbstractString, AbstractVector{<: AbstractString}}
 
 "Install a new package or packages."
-function add(pkg::PkgOrPkgs, env::Environment=ROOTENV)
-    runconda(`install $(_quiet()) -y $pkg`, env)
+function add(pkg::PkgOrPkgs, env::Environment=ROOTENV; channel::AbstractString="")
+    c = isempty(channel) ? `` : `-c $channel`
+    runconda(`install $(_quiet()) -y $c $pkg`, env)
 end
 
 "Uninstall a package or packages."
diff --git a/test/runtests.jl b/test/runtests.jl
index 7882fae..dfae61c 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -59,6 +59,9 @@ Conda.rm_channel("foo", env)
 
 @test Conda.channels(env) == ["defaults"]
 
+# Add a package from a specific channel
+Conda.add("requests", env; channel="conda-forge")
+
 @testset "Batch install and uninstall" begin
     Conda.add(["affine", "ansi2html"], env)
     installed = Conda._installed_packages(env)