Fixed bugs of declaring environment variables in startup scripts.

.gitignore

@@ -2,6 +2,7 @@ pkg
 homebrew
 *.bak
 loci
+.wercker
 
 ### https://raw.github.com/github/gitignore/9f044c43d2fa998acb2d468367a349fff609dc84/go.gitignore
 

assets/entrypoint-go

@@ -15,16 +15,16 @@ if [[ $# = 0 ]]; then
 fi
 
 if [[ $1 = "any" ]]; then
-  TRAVIS_GO_VERSION=$(go version | cut -f 3 -d " " | sed s/go//g)
+  readonly TRAVIS_GO_VERSION=$(go version | cut -f 3 -d " " | sed s/go//g)
 else
-  TRAVIS_GO_VERSION=$1
+  readonly TRAVIS_GO_VERSION=$1
   echo "Set Go version: $TRAVIS_GO_VERSION"
   eval "$(GIMME_GO_VERSION=$TRAVIS_GO_VERSION gimme)"
 fi
 
 for e in ${@:2:($#-1)}; do
   echo "Set environment: $e"
-  env $e
+  declare -x $e
 done
 
 echo "Install Steps:"
@@ -52,7 +52,7 @@ echo "{{.}}"
 {{.}}
 {{end}}
 {{else}}
-if [ -e GNUMakefile ] || [ -e Makefile ] || [ -e BSDmakefile ] || [ -e makefile ]; then
+if [[ -e GNUMakefile ]] || [[ -e Makefile ]] || [[ -e BSDmakefile ]] || [[ -e makefile ]]; then
   make
 else
   {{if .GoBuildArgs}}

assets/entrypoint-python

@@ -16,18 +16,18 @@ if [[ $# = 0 ]]; then
   exec bash
 fi
 
-PYVERSION=$(pyenv install -l | sed "s/ //g" | grep -E "^$1($|[^-])" | tail -1)
+readonly PYVERSION=$(pyenv install -l | sed "s/ //g" | grep -E "^$1($|[^-])" | tail -1)
 echo "Set Python version: $PYVERSION"
 pyenv install $PYVERSION
 pyenv local $PYVERSION
 
 for e in ${@:2:($#-1)}; do
   echo "Set environment: $e"
-  env $e
+  declare -x $e
 done
 
 echo "Install Steps:"
-if [ -e requirements.txt ]; then
+if [[ -e requirements.txt ]]; then
   pip install -r requirements.txt
 fi
 {{range .Install}}

command/docker.go

@@ -27,7 +27,7 @@ import (
 
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/container"
-	"github.com/docker/docker/client"
+	client "github.com/docker/docker/client"
 )
 
 // DockerfileAsset defines a asset name for Dockerfile.

command/run.go

@@ -72,7 +72,7 @@ func run(opt *RunOpt) (err error) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 	sig := make(chan os.Signal, 1)
-	signal.Notify(sig, os.Interrupt, os.Kill, syscall.SIGHUP, syscall.SIGQUIT)
+	signal.Notify(sig, os.Interrupt, os.Kill, syscall.SIGQUIT)
 	go func() {
 		<-sig
 		cancel()

commands.go

@@ -20,14 +20,15 @@ import (
 
 // GlobalFlags defines global flags.
 var GlobalFlags = []cli.Flag{
+	// TODO: Remote docker host.
 	cli.StringFlag{
 		Name: "name, n",
 		Usage: "creating a container named `NAME` to run tests. " +
 			"If name is given, container will not be deleted.",
 	},
 	cli.StringFlag{
 		Name:  "tag, t",
-		Usage: "if given, the image hosting tests will be named `TAG`.",
+		Usage: "specify a `TAG` name of the docker image to be build.",
 	},
 	cli.StringFlag{
 		Name:  "base, b",