sascha-andres/go-template

// Copyright © 2018 Sascha Andres <sascha.andres@outlook.com>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package engine

import (
    "fmt"
    "path"

    "io/ioutil"

    "livingit.de/code/go-template/wrapper"
)

// UpdateRepository issues a git pull
func (e *Engine) UpdateRepository(name string) error {
    if ok, _ := e.exists(name); ok {
        _, err := wrapper.Git("-C", path.Join(e.storageDirectory, name), "pull")
        return err
    }
    return fmt.Errorf("no such repository: %s", name)
}

// UpdateRepositories issues a git pull on all template repositories
func (e *Engine) UpdateRepositories() error {
    entries, err := ioutil.ReadDir(e.storageDirectory)
    if err != nil {
        return err
    }
    for _, entry := range entries {
        if entry.IsDir() {
            if ok, _ := e.exists(entry.Name()); ok {
                if err := e.UpdateRepository(entry.Name()); err != nil {
                    return err
                }
            }
        }
    }
    return nil
}