fw-port

#!/usr/bin/env bash

USAGE='Usage:
./fw-port REPO COMMIT [PATH]

Where:
REPO is the repository (i.e. odoo or enterprise)
COMMIT is the commit from the source version to cherry pick[1]
PATH is a glob filter to only include desired files

Notes:
[1] a range of commits might be implemented in the future'

###################################################################################################
# CONFIG
###################################################################################################
ODOO_ROOT=/home/odoo/git/odoo
REMOTE=origin
PYTHON=python3.8

HIERARCHY_SCRIPT=~/transform_coa.py
SOURCE_VERSION=saas-16.1
TARGET_VERSION=saas-16.2

###################################################################################################
# ARGUMENT PARSING
###################################################################################################
if [[ $# -lt 2 || $# -gt 3 ]]; then
    echo "$USAGE"
    exit 0
fi

if [[ $1 == 'odoo' ]]; then
  REPO=odoo
  PIVOT=d782b8b925573e9b0e1d603d2664781db3d9db69
else
  echo "$USAGE"
  exit 0
fi

COMMIT=$2
ADDON_PATH=$3

###################################################################################################
# SCRIPT
###################################################################################################
WORKDIR="--git-dir=$ODOO_ROOT/$REPO/.git --work-tree=$ODOO_ROOT/$REPO/"

echo "============================================"
echo "             Fetch latest sources"
echo "============================================"
git $WORKDIR fetch $REMOTE $SOURCE_VERSION
git $WORKDIR fetch $REMOTE $TARGET_VERSION
echo ""
echo "============================================"
echo "Checkout and cherry pick before big refactor"
echo "============================================"
git $WORKDIR reset --hard $REMOTE/$TARGET_VERSION
git $WORKDIR reset --hard $PIVOT~
git $WORKDIR cherry-pick $COMMIT
echo ""
echo "============================================"
echo "           Refactor with changes"
echo "============================================"
$PYTHON $HIERARCHY_SCRIPT "$ODOO_ROOT/$REPO/$ADDON_PATH"
echo ""
echo "============================================"
echo "               Save changes"
echo "============================================"
git $WORKDIR reset --mixed HEAD~
git $WORKDIR stash
echo ""
echo "============================================"
echo "            Go through refactor"
echo "============================================"
git $WORKDIR reset --hard $PIVOT
echo ""
echo "============================================"
echo "               Apply changes"
echo "============================================"
git $WORKDIR stash pop
echo ""
echo "============================================"
echo "          Force the new changes"
echo "============================================"
git $WORKDIR checkout --theirs $ADDON_PATH
git $WORKDIR add "$ODOO_ROOT/$REPO/$ADDON_PATH"
git $WORKDIR log $COMMIT -n1 --pretty=format:%B | git $WORKDIR commit -F -
echo ""
echo "============================================"
echo "        Rebase on top of the target"
echo "============================================"
git $WORKDIR rebase $REMOTE/$TARGET_VERSION