nus :: new upgrade script

nus

#!/usr/bin/env bash
set -euo pipefail

if [[ -n "${DEBUG:-}" ]]; then
    set -x
fi

: "${NUS_ODOO_REPO:=/Users/chs/devel/odoo/odoo/stable}"
: "${NUS_ENT_REPO:=/Users/chs/devel/odoo/enterprise}"
: "${NUS_THEMES_REPO:=/Users/chs/devel/odoo/themes}"

NUS_FETCH=0
opt=
while getopts 'hfv:' opt; do
  case "$opt" in
    h)
        cat <<EOU
    # nus :: New Upgrade Script
    nus [-v VERSION] MODULE [KIND]

    Options:
        -h           Show this help message.
        -v VERSION   Server version of the script.
                     Can be set via the env variable \$NUS_VERSION.
                     When the search branch is different than the
                     version (mainly for master branch), use the
                     \`version:branch\` pattern.

    Arguments:
        MODULE   Module the script target.
        KIND     The kind of upgrade script.
                 Will be used to name the created file. [default: pre]

    Environment variable:
        NUS_VERSION
        NUS_ODOO_REPO
        NUS_ENT_REPO
        NUS_THEMES_REPO
EOU
      exit 0
      ;;
   f)
       NUS_FETCH=1
      ;;
   v)
       NUS_VERSION="$OPTARG"
      ;;
   *);;
  esac
done

shift $((OPTIND - 1))

if [[ $# != 1 && $# != 2 ]]; then
    $0 -h
    exit 1
fi

if [[ -z "${NUS_VERSION:-}" ]]; then
    echo "😶 no version specified"
    exit 1
fi

NUS_BRANCH="${NUS_VERSION}"
NUS_VERSION=${NUS_VERSION%%:*}
NUS_BRANCH=${NUS_BRANCH##*:}
NUS_VERSION=${NUS_VERSION/-/\~}
NUS_BRANCH=${NUS_BRANCH/\~/-}

NUS_MODULE="$1"
NUS_KIND="${2:-pre}"


grepin () {
    pushd "$1" >/dev/null
    if [[ $NUS_FETCH -eq 1 ]]; then
        git fetch -q
    fi
    blob=$(git ls-tree "origin/$NUS_BRANCH" -- {.,addons,{openerp,odoo}/addons}/"$NUS_MODULE"/__{terp,openerp,manifest}__.py 2>/dev/null | awk '{print $3}')
    if [[ -n $blob ]]; then
        git show "$blob" | python3 -c "import ast,sys;print(ast.literal_eval(sys.stdin.buffer.read().decode()).get('version','1.0'))"
    fi
    popd >/dev/null
}

module_version=$(grepin "$NUS_ODOO_REPO")
if [[ -z "$module_version" ]]; then
    module_version=$(grepin "$NUS_ENT_REPO")
    if [[ -z "$module_version" ]]; then
        module_version=$(grepin "$NUS_THEMES_REPO")
        if [[ -z "$module_version" ]]; then
            echo "💥 module not found!"
            exit 1
        fi
    fi
fi

dir="${NUS_MODULE}/${NUS_VERSION}.${module_version}"
mkdir -p "$dir"
FILE="$dir/$NUS_KIND-migrate.py"
touch "$FILE"
git add --intent-to-add "$FILE"
set -x
${EDITOR:-vim} "$FILE"