126 lines
3.4 KiB
Go
126 lines
3.4 KiB
Go
package main
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import (
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"fmt"
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"log"
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"os/exec"
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"strings"
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"sync"
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)
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var mu sync.Mutex
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func checkoutRepositories(repositories []Repository, concurrency int) {
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var wg sync.WaitGroup
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semaphore := make(chan struct{}, concurrency)
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for _, repo := range repositories {
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wg.Add(1)
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semaphore <- struct{}{}
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go func(repo Repository) {
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defer func() {
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<-semaphore
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wg.Done()
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}()
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// get repository name + create repo destination
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repoName := string(repo.PathWithNamespace)
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repoDestination := repoDestinationPre + repoName
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// make gitlab url
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url := fmt.Sprintf("https://gitlab-token:%s@%s/%s.git", gitlabToken, gitlabHost, repoName)
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// check current status of repoDestination
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checkRepo := func(repoDestination string) string {
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checkCmd := exec.Command("git", "-C", repoDestination, "remote", "-v")
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checkOutput, _ := checkCmd.CombinedOutput()
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return string(checkOutput)
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}
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repoStatus := checkRepo(repoDestination)
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// report error if not cloned or pulled repository
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// clone repository if it does not exist
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switch {
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case strings.Contains(string(repoStatus), "No such file or directory"):
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// update the progress bar
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descriptionPrefixPre := "Cloning repository "
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descriptionPrefix := descriptionPrefixPre + repoName + " ..."
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bar.Describe(descriptionPrefix)
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// clone the repo
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cloneRepository := func(repoDestination string, url string) (string, error) {
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cloneCmd := exec.Command("git", "clone", url, repoDestination)
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cloneOutput, err := cloneCmd.CombinedOutput()
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return string(cloneOutput), err
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}
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_, err := cloneRepository(repoDestination, url)
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if err != nil {
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log.Printf("ERROR: %v\n", err)
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}
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mu.Lock()
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clonedCount++
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mu.Unlock()
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progressBarAdd(1)
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// pull the latest
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case strings.Contains(string(repoStatus), url):
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pullRepository(repoName, repoDestination)
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progressBarAdd(1)
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default:
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log.Printf("ERROR: decided not to clone or pull repository %v\n", repoName)
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log.Printf("ERROR: this is why: %v\n", repoStatus)
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mu.Lock()
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errorCount++
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mu.Unlock()
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progressBarAdd(1)
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}
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}(repo)
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}
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wg.Wait()
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}
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func pullRepository(repoName string, repoDestination string) {
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// update the progress bar
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descriptionPrefixPre := "Pulling repository "
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descriptionPrefix := descriptionPrefixPre + repoName + " ..."
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bar.Describe(descriptionPrefix)
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// find remote
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findRemote := func(repoDestination string) (string, error) {
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remoteCmd := exec.Command("git", "-C", repoDestination, "remote", "show")
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remoteOutput, err := remoteCmd.CombinedOutput()
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if err != nil {
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return "", fmt.Errorf("finding remote: %v\n", err)
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}
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remote := strings.Split(strings.TrimSpace(string(remoteOutput)), "\n")[0]
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return remote, nil
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}
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remote, _ := findRemote(repoDestination)
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// pull repository
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pullCmd := exec.Command("git", "-C", repoDestination, "pull", remote)
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pullOutput, err := pullCmd.CombinedOutput()
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pulledCount = pulledCount + 1
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if err != nil {
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errorCount = errorCount + 1
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pulledCount = pulledCount - 1
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switch {
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case strings.Contains(string(pullOutput), "You have unstaged changes"):
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pullErrorMsg = append(pullErrorMsg, repoDestination)
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default:
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log.Printf("ERROR: pulling %v\n", err)
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}
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}
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}
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