#!/bin/bash

set -e

rm -rf swh-merge
git clone https://forge.softwareheritage.org/source/swh-environment swh-merge
cd swh-merge

../swh-environment/bin/ls-all-repos | while read i; do
    url=$( grep -A1 "\[$i\]" .mrconfig \
            | tail -n1 \
            | grep -o "'[^']\+'" \
            | head -n 1 \
            | sed "s/'//g" )
    git remote add ${i}_remote "$url"
    git fetch ${i}_remote
    git branch ${i}_branch ${i}_remote/master

    git checkout ${i}_branch
    mkdir ${i}/
    git ls-tree -z --name-only HEAD | xargs -0 -I {} git mv {} ${i}/
    git commit -m "Move root files into subdirectory '${i}'"

    git checkout master
    #git read-tree --prefix=${i}/ -u ${i}_branch
    #git commit -m "Merge repository subtree '${i}' into master"
    git merge --allow-unrelated-histories ${i}_branch
done