Centralise all the Browsh build steps

.travis.yml

@@ -22,7 +22,7 @@ env:
     - secure: "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"
 
 before_install:
-  - ./interfacer/contrib/setup_go.sh
+  - ./interfacer/contrib/setup_dep.sh
   - ./webext/contrib/setup_node.sh
   - mkdir -p $REPO_ROOT && cp -rfp $TRAVIS_BUILD_DIR -T $REPO_ROOT
 install:

Dockerfile

@@ -27,14 +27,7 @@ ENV BASE=$GOPATH/src/browsh/interfacer
 WORKDIR $BASE
 ADD interfacer $BASE
 
-# Install `dep` the current defacto dependency manager for Golang
-RUN $BASE/contrib/setup_dep.sh
-
-# Install the tool to convert the web extenstion file into a Go-compatible binary
-RUN go get -u gopkg.in/shuLhan/go-bindata.v3/...
-
 # Build Browsh
-RUN dep ensure
 RUN $BASE/contrib/build_browsh.sh
 
 

interfacer/contrib/build_browsh.sh

@@ -4,27 +4,45 @@
 # To build Browsh during development see:
 #   https://github.com/browsh-org/browsh#contributing
 
-# This script depends on Golang and go-bindata
-# `go get -u gopkg.in/shuLhan/go-bindata.v3/...`
+# This script depends on Golang, dep and go-bindata
+# See; ./setup_dep.sh for an example `dep` installation
+# `go-bindata` can be easily installed with:
+#   `go get -u gopkg.in/shuLhan/go-bindata.v3/...`
+# `dep esnure` must be run in `interfacer/`
 
 set -e
 
 INTERFACER_ROOT=$(readlink -m "$( cd "$(dirname "$0")" ; pwd -P )"/../)
+cd $INTERFACER_ROOT
+
+# Install `dep` the current defacto dependency manager for Golang
+./contrib/setup_dep.sh
+
+# Install the tool to convert the web extenstion file into a Go-compatible binary
+go get -u gopkg.in/shuLhan/go-bindata.v3/...
 
+# Install Golang dependencies
+dep ensure
+
+# Get the current Browsh version, in order to find the corresponding web extension release
 version_file=$INTERFACER_ROOT/src/browsh/version.go
 line=$(cat $version_file | grep 'browshVersion')
 version=$(echo $line | grep -o '".*"' | sed 's/"//g')
 
+# Build the URI for the webextension file
 base='https://github.com/browsh-org/browsh/releases/download'
 release_url="$base/v$version/browsh-${version}-an.fx.xpi"
 
 xpi_file=$INTERFACER_ROOT/browsh.xpi
 destination=$INTERFACER_ROOT/src/browsh/webextension.go
 
+# Download the web extension
 curl -L -o $xpi_file $release_url
 
+# Convert the web extension into binary data that can be compiled into a
+# cross-platform Go binary.
 XPI_FILE=$xpi_file BIN_FILE=$destination \
   $INTERFACER_ROOT/contrib/xpi2bin.sh
 
-cd $INTERFACER_ROOT
+# The actual build iteself
 go build -o browsh src/main.go