Minimalistic Go package manager

go-manager.sh

!/bin/sh

# WARNING: this script is unfinished.

# With this script you don't have to keep third-packages in your repo.
# You just run it when you need to install, update or remove dependencies.

# Call it like:
# dependencies install < packages.dep
# where packages.deb is a file that looks like:
# github.com/mattbaird/http-digest-auth-client:8db792bc5f8e1df7594e777a78d7ec26cec3d583
# github.com/abbot/go-http-auth:c0ef4539dfab4d21c8ef20ba2924f9fc6f186d35
# github.com/gorilla/websocket:a6f041ac33b84488bb44137d6866cd3c8706d792
# ...

# If you add a new package to packages.deb and run install, only the new package will be installed.

# If you use the 'clean' command all dependencies will be removed.
# Maybe in the future you will be able to specify which dependencies to remove.

# GUSER is your github username which contains the repo you want to ignore, i.e., your source code.
# Maybe in the future you will be able to specify multiple repos to ignore.
# You should have this script at the root of your repo. If so, the GOPATH, set below, looks like:
# ./src/github.com/<packages>
# and one of those packages is yours.
# Maybe in the future you will be able to set GOPATH yourself.

# If you don't want to type a long path to change into your source code directory,
# you can create a soft link to it at the root of your repo like this:
# ln -s ./src/github.com/$GUSER/<source-code> ./<source-code>

# Feel free to change this script to your liking.


GUSER=<your-github-username>
GOPATH=$(realpath $(dirname ${BASH_SOURCE[${#BASH_SOURCE[@]} - 1]})/)

install_one ()
{
 PKG=$(echo $1 | cut -d \: -f 1)
 PKGVER=$(echo $1 | cut -d \: -f 2)
 if [ "$PKG" == "$PKGVER" ] || [ -z "$PKGVER" ]; then
   echo You must specify a version for $PKG
   return
 fi
 PKGPATH=src/$PKG
 if [ ! -d ${PKGPATH} ]; then
   git clone -q https://$PKG $PKGPATH
   cd $PKGPATH
   git checkout -q $PKGVER
   cd $GOPATH
 fi
 go install $PKG
}

install_all()
{
  while read -r PKG || [[ -n $PKG ]]; do
    install_one $PKG
  done
}

clean_all()
{
  CODE=$GOPATH/src/github.com/$GUSER
  SAVE=$GOPATH/$GUSER.save
  if [ -d ${CODE} ]; then
    mv $CODE $SAVE
  fi
  rm -rf $GOPATH/src/*
  if [ -d ${SAVE} ]; then
    mkdir -p $GOPATH/src/github.com
    mv $SAVE $CODE
  fi
}


case "$1" in
  install)
    install_all
    ;;
  clean)
    clean_all
    ;;
  *)
  echo "Usage: $0 {install|clean}" >&2
  exit 1
esac