Fixed OSX CI issues by using conda to manage dependencies. (shenwei356#120)

Fixed OSX CI issues by using conda to manage dependencies.

Author: bsipos

.travis.yml

@@ -1,13 +1,28 @@
 language: go
 
-os:
-  - linux
-  - osx
+jobs:
+  include:
+    - os: linux
+      dist: bionic
+    - os: osx
+      osx_image: xcode10
 
 go:
   - 1.x
 
+cache: miniconda3
+
 before_install:
+  - if [ $TRAVIS_OS_NAME = "linux" ]; then wget http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh; fi;
+  - if [ $TRAVIS_OS_NAME = "osx" ]; then wget https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-x86_64.sh -O miniconda.sh; fi;
+  - bash ./miniconda.sh -u -b -p ./miniconda3 && source ./miniconda3/bin/activate;
+  - conda init bash && source $HOME/.bashrc;
+  - conda update -q --yes conda;
+  - conda update -q --yes --all;
+  - conda config --add channels conda-forge;
+  - conda config --add channels conda-forge;
+  - conda install -q --yes sed openssl;
+
 
 script:
     - ./tests/test.sh

tests/test.sh

@@ -10,7 +10,7 @@ app=./seqkit/seqkit
 
 set +e
 
-which csvtk || (git clone https://github.com/shenwei356/csvtk; cd ./csvtk/csvtk; go get -v ... ; go build)
+which csvtk || (git clone --depth 1 https://github.com/shenwei356/csvtk; cd ./csvtk/csvtk; go get -v ... ; go build)
 CSVTK=csvtk
 which csvtk || CSVTK=./csvtk/csvtk/csvtk; true
 
@@ -20,8 +20,6 @@ md5sum () {
 	openssl dgst -sha256 $1  | cut -d $' ' -f 2; 
 }
 
-if [[ "$TRAVIS_OS_NAME" = "osx" ]]; then brew install ;gnu-sed; alias sed=gsed; fi
-
 # ------------------------------------------------------------
 #                        seq
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