hugo_update.sh

#!/usr/bin/env bash

# /home/kmodi/go.apps/src/github.com/gohugoio/hugo/README.md
# http://matthewkwilliams.com/index.php/2014/09/28/go-executables-are-statically-linked-except-when-they-are-not/

here=$(pwd)

hugo_src="github.com/gohugoio/hugo"
chroma_src="github.com/alecthomas/chroma"

export CGO_ENABLED=0
export GO_EXTLINK_ENABLED=0

# https://discuss.gohugo.io/t/started-getting-failed-to-normalize-url-string-returning-in/5034/7?u=kaushalmodi
# Do govendor sync to prevent issues like this: https://github.com/gohugoio/hugo/issues/2919
if ! hash govendor 2>/dev/null
then
    go get -u -v github.com/kardianos/govendor
fi

# Install hugo for the first time so that the ${GOPATH}/src/${hugo_src}
# directory gets populated.
if [[ ! -d "${GOPATH}/src/${hugo_src}" ]] || ( ! hash hugo 2>/dev/null )
then
    go get -u -v ${hugo_src}
fi

# Update to hugo master branch
cd "${GOPATH}/src/${hugo_src}" || exit

git fetch --all # fetch new branch names if any
git checkout master
# git fetch --all
# Force update the vendor file in case it got changed
git reset --hard origin/master

# Synchronize all the dependent packages as per the just updated vendor file
govendor sync

# Update dependent packages from their master branches
# govendor fetch github.com/chaseadamsio/goorgeous
# govendor fetch github.com/chaseadamsio/goorgeous@=fixNewlineParagraphs

# Tue Sep 26 11:28:47 EDT 2017 - kmodi
# Turns out that the chroma package contains sub-packages too.. so have to
# include all separately.
# govendor fetch ${chroma_src}
# govendor fetch ${chroma_src}/formatters
# govendor fetch ${chroma_src}/formatters/html
# govendor fetch ${chroma_src}/lexers
# govendor fetch ${chroma_src}/styles

# https://discourse.gohugo.io/t/building-hugo-with-the-latest-version-of-chroma/8543/2?u=kaushalmodi
go get -u -v ${chroma_src}/...
# make vendor
rm -rf "${GOPATH}/src/${hugo_src}/vendor/${chroma_src}"

hugo_commithash=$(git rev-parse --short HEAD 2>/dev/null)
chroma_commithash=$(cd "${GOPATH}/src/${chroma_src}" && git rev-parse --short HEAD 2>/dev/null)
builddate=$(date +%FT%T%z)

go install -v \
   -ldflags "-X ${hugo_src}/hugolib.CommitHash=${hugo_commithash}:chroma-${chroma_commithash} \
             -X ${hugo_src}/hugolib.BuildDate=${builddate}" \
   ${hugo_src}

cd "${here}" || exit