From 2b55e101832956cbd6b8119c6796ec2ca6b5f97f Mon Sep 17 00:00:00 2001
From: Takafumi Arakaki <takafumi.a@gmail.com>
Date: Thu, 8 Nov 2018 05:18:52 -0800
Subject: [PATCH] Allow multiple packages to be added/removed in a batch (#130)

---
 src/Conda.jl | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/Conda.jl b/src/Conda.jl
index 1f6b53e..197e4fd 100644
--- a/src/Conda.jl
+++ b/src/Conda.jl
@@ -176,13 +176,15 @@ function _install_conda(env::Environment, force::Bool=false)
     end
 end
 
-"Install a new package."
-function add(pkg::AbstractString, env::Environment=ROOTENV)
+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)
 end
 
-"Uninstall a package."
-function rm(pkg::AbstractString, env::Environment=ROOTENV)
+"Uninstall a package or packages."
+function rm(pkg::PkgOrPkgs, env::Environment=ROOTENV)
     runconda(`remove $(_quiet()) -y $pkg`, env)
 end