scripts/dosync

#!/bin/bash

function print_usage() {
    echo "Usage: dosync ACTION [REPO-NAME]"
    echo
    echo "Actions:"
    echo "  to:    sync 'remote' folder to the server"
    echo "  from:  sync from the server to the 'remote' folder"
    echo
    echo "Use REPO-NAME if more than one repo is specified in the '.sync.config' file"
}

function print_config_file_format() {
    echo "format of .sync.conf file should be as follows:"
    echo "    [repo_name1]=[ssh_url]"
    echo "    [repo_name2]=[ssh_url]"
    echo "    ..."
}

function print_error() {
    printf "\033[0;31m"
    echo "[!!] ERROR: $1"
    printf "\033[0m"
}

function reset_mode() {
    # Reset the mode of the files on server after rsync. On Windows, the files mode will be changed,
    # so need to reset the mode on server after syncing the files
    IFS=':' read -ra host <<< "$1"
    ssh ${host[0]} "cd ${host[1]} && git diff -p -R | grep -E \"^(diff|(old|new) mode)\" --color=never | git apply" 
}

if [ -z $1 ]
then
    print_error "missing ACTION"
    print_usage
    exit 1
fi

sync_mode="$1"
if [ "$sync_mode" != "to" ] && [ "$sync_mode" != "from" ]
then
    print_error "Unknown ACTION: $sync_mode"
    print_usage
    exit 1
fi

num_repos=0
if [ -f ".sync.conf" ]
then
    num_repos=$(wc -l .sync.conf | cut -d ' ' -f1)
else
    print_error "Missing .sync.conf file"
    print_config_file_format
    exit 1
fi

if [ $num_repos -lt 1 ]
then
    print_error "Invalid .sync.conf file"
    print_config_file_format
    exit 1
fi

selected_repo=$2
if [ $num_repos -gt 1 ]
then
    if [ -z $selected_repo ]
    then
        echo "There is more than one repo in the config file, specify which repo to use"
        print_usage
        exit 1
    fi
else
    # set the repo name by default
    selected_repo=$(cat .sync.conf | cut -d '=' -f1)
fi

ssh_url=$(cat .sync.conf | grep "$selected_repo"= | cut -d '=' -f2)

if [ -z $ssh_url ]
then
    print_error "could not find url for $selected_repo make sure the config file is properly formatted"
    print_config_file_format
    exit 1
fi

# At this point we have evrything we need, just run the command!
if [ $sync_mode == "from" ]
then
    echo "Sync from $ssh_url to remote dir..."
    # -p to ensure that the remote directory only gets created if it already does not exist
    mkdir -p remote
    rsync --progress -a --exclude '.git' $ssh_url/ remote
else
    echo "Sync content from remote dir to $ssh_url ..."
    if [ ! -d remote ]
    then
        print_error "There is no remote folder to sync!"
        exit 1
    fi

    cd remote
    rsync --progress -a --no-perms --exclude '.git' --exclude '*.swp'  . $ssh_url
fi