do_checkout.sh

#!/usr/bin/env bash

# set -x

# this script checks out all the projects to build

# args:
#   1) directory to create and use
#   2) os
#   3) owner
#   4) repository
#   5) branch

if [ $# != 5 ]; then
    echo -e "\t3 args required: testdir, os, owner, repository, branch"
    exit 1
fi

. src/setup_env.sh "$2"

# NOTE: must be absolute, code below depends on it
top=$PWD

echo -e "\tchecking out $3/$4/$5"

if [ ! -d $top/$1 ]; then
    echo -e "\terror, test directory does not exist, quitting"
    exit 1
fi

if [ ! -d $top/source ]; then
    mkdir $top/source
fi

# 1 == logfile
# 2 == owner
# 3 == repo
function update_repo()
{
    if [ ! -d $top/source/$2 ]; then
        echo "Creating source/$2" >> $1
        mkdir $top/source/$2
    fi

    if [ ! -d $top/source/$2/$3.git ]; then
        cd $top/source/$2
        echo "Cloning $2/$3:" >> $1
        git clone --mirror https://github.com/$2/$3.git >> $1 2>&1
        if [ $? -ne 0 ]; then
            echo -e "\terror cloning out $2/$3"
            exit 1
        fi
        #cd $top/source/$2/$3.git
        #git remote add origin https://github.com/$2/$3.git >> $1 2>&1
    fi

    cd $top/source/$2/$3.git
    echo "Fetching updates to $2/$3:" >> $1
    git remote update >> $1 2>&1
    if [ $? -ne 0 ]; then
        echo -e "\terror updating $2/$3"
        exit 1
    fi

    echo >> $1
    echo >> $1
}

# 1 == logfile
# 2 == owner
# 3 == repo
# 4 == branch
# 5 == build dir
function checkout()
{
    cd $top/$5
    echo "Cloning source/$2/$3.git into $5/$3, branch $4" >> $1
    git clone --shared --branch $4 $top/source/$2/$3.git $top/$5/$3 >> $1 2>&1

    cd $top/$5/$3
    echo "Head commit:" >> $1
    git log -1 >> $1 2>&1

    echo >> $1
    echo >> $1
}

logfile=$top/$1/checkout.log

update_repo $logfile $3 $4
checkout $logfile $3 $4 $5 $1

cd $top