mirror of
https://github.com/thomiceli/opengist.git
synced 2025-07-09 01:18:04 +02:00
Initial commit
This commit is contained in:
Thomas Miceli
293
internal/git/commands.go
Normal file
293
internal/git/commands.go
Normal file
@ -0,0 +1,293 @@
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package git
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import (
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"io"
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"opengist/internal/config"
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"os"
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"os/exec"
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"path"
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"path/filepath"
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"strings"
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)
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func GetRepositoryPath(user string, gist string) (string, error) {
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return filepath.Join(config.GetHomeDir(), "repos", strings.ToLower(user), gist), nil
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}
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func getTmpRepositoryPath(gistId string) (string, error) {
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dirname, err := getTmpRepositoriesPath()
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if err != nil {
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return "", err
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}
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return filepath.Join(dirname, gistId), nil
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}
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func getTmpRepositoriesPath() (string, error) {
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return filepath.Join(config.GetHomeDir(), "tmp", "repos"), nil
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}
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func InitRepository(user string, gist string) error {
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repositoryPath, err := GetRepositoryPath(user, gist)
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if err != nil {
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return err
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}
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cmd := exec.Command(
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"git",
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"init",
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"--bare",
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repositoryPath,
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)
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_, err = cmd.Output()
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if err != nil {
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return err
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}
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f1, err := os.OpenFile(filepath.Join(repositoryPath, "git-daemon-export-ok"), os.O_RDONLY|os.O_CREATE, 0644)
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defer f1.Close()
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preReceiveDst, err := os.OpenFile(filepath.Join(repositoryPath, "hooks", "pre-receive"), os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0744)
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if err != nil {
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return err
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}
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preReceiveSrc, err := os.OpenFile(filepath.Join("internal", "resources", "pre-receive"), os.O_RDONLY, os.ModeAppend)
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if err != nil {
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return err
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}
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_, err = io.Copy(preReceiveDst, preReceiveSrc)
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if err != nil {
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return err
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}
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defer preReceiveDst.Close()
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defer preReceiveSrc.Close()
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return err
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}
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func GetNumberOfCommitsOfRepository(user string, gist string) (string, error) {
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repositoryPath, err := GetRepositoryPath(user, gist)
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if err != nil {
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return "", err
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}
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cmd := exec.Command(
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"git",
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"rev-list",
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"--all",
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"--count",
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)
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cmd.Dir = repositoryPath
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stdout, err := cmd.Output()
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return strings.TrimSuffix(string(stdout), "\n"), err
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}
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func GetFilesOfRepository(user string, gist string, commit string) ([]string, error) {
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repositoryPath, err := GetRepositoryPath(user, gist)
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if err != nil {
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return nil, err
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}
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cmd := exec.Command(
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"git",
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"ls-tree",
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commit,
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"--name-only",
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)
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cmd.Dir = repositoryPath
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stdout, err := cmd.Output()
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if err != nil {
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return nil, err
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}
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slice := strings.Split(string(stdout), "\n")
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return slice[:len(slice)-1], nil
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}
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func GetFileContent(user string, gist string, commit string, filename string) (string, error) {
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repositoryPath, err := GetRepositoryPath(user, gist)
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if err != nil {
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return "", err
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}
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cmd := exec.Command(
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"git",
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"--no-pager",
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"show",
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commit+":"+filename,
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)
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cmd.Dir = repositoryPath
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stdout, err := cmd.Output()
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return string(stdout), err
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}
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func GetLog(user string, gist string, skip string) (string, error) {
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repositoryPath, err := GetRepositoryPath(user, gist)
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if err != nil {
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return "", err
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}
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cmd := exec.Command(
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"git",
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"--no-pager",
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"log",
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"-n",
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"11",
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"--no-prefix",
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"--no-color",
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"-p",
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"--skip",
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skip,
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"--format=format:%n=commit %H:%aN:%at",
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"--shortstat",
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"--ignore-missing", // avoid errors if a wrong hash is given
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"HEAD",
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)
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cmd.Dir = repositoryPath
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stdout, err := cmd.Output()
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return string(stdout), err
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}
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func CloneTmp(user string, gist string, gistTmpId string) error {
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repositoryPath, err := GetRepositoryPath(user, gist)
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if err != nil {
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return err
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}
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tmpPath, err := getTmpRepositoriesPath()
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if err != nil {
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return err
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}
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tmpRepositoryPath := path.Join(tmpPath, gistTmpId)
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err = os.RemoveAll(tmpRepositoryPath)
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if err != nil {
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return err
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}
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cmd := exec.Command("git", "clone", repositoryPath, gistTmpId)
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cmd.Dir = tmpPath
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if err = cmd.Run(); err != nil {
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return err
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}
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cmd = exec.Command("git", "config", "user.name", user)
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cmd.Dir = tmpRepositoryPath
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if err = cmd.Run(); err != nil {
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return err
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}
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// remove every file (and not the .git directory!)
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cmd = exec.Command("find", ".", "-maxdepth", "1", "-type", "f", "-delete")
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cmd.Dir = tmpRepositoryPath
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return cmd.Run()
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}
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func SetFileContent(gistTmpId string, filename string, content string) error {
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repositoryPath, err := getTmpRepositoryPath(gistTmpId)
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if err != nil {
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return err
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}
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return os.WriteFile(filepath.Join(repositoryPath, filename), []byte(content), 0644)
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}
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func AddAll(gistTmpId string) error {
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tmpPath, err := getTmpRepositoryPath(gistTmpId)
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if err != nil {
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return err
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}
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// in case of a change where only a file name has its case changed
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cmd := exec.Command("git", "rm", "-r", "--cached", "--ignore-unmatch", ".")
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cmd.Dir = tmpPath
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err = cmd.Run()
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if err != nil {
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return err
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}
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cmd = exec.Command("git", "add", "-A")
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cmd.Dir = tmpPath
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return cmd.Run()
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}
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func Commit(gistTmpId string) error {
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cmd := exec.Command("git", "commit", "--allow-empty", "-m", `"Opengist commit"`)
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tmpPath, err := getTmpRepositoryPath(gistTmpId)
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if err != nil {
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return err
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}
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cmd.Dir = tmpPath
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return cmd.Run()
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}
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func Push(gistTmpId string) error {
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tmpRepositoryPath, err := getTmpRepositoryPath(gistTmpId)
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if err != nil {
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return err
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}
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cmd := exec.Command(
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"git",
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"push",
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)
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cmd.Dir = tmpRepositoryPath
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err = cmd.Run()
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if err != nil {
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return err
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}
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return os.RemoveAll(tmpRepositoryPath)
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}
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func DeleteRepository(user string, gist string) error {
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return os.RemoveAll(filepath.Join(config.GetHomeDir(), "repos", strings.ToLower(user), gist))
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}
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func UpdateServerInfo(user string, gist string) error {
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repositoryPath, err := GetRepositoryPath(user, gist)
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if err != nil {
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return err
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}
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cmd := exec.Command("git", "update-server-info")
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cmd.Dir = repositoryPath
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return cmd.Run()
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}
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func RPCRefs(user string, gist string, service string) ([]byte, error) {
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repositoryPath, err := GetRepositoryPath(user, gist)
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if err != nil {
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return nil, err
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}
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cmd := exec.Command("git", service, "--stateless-rpc", "--advertise-refs", ".")
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cmd.Dir = repositoryPath
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stdout, err := cmd.Output()
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return stdout, err
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}
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func GetGitVersion() (string, error) {
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cmd := exec.Command("git", "--version")
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stdout, err := cmd.Output()
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if err != nil {
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return "", err
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}
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versionFields := strings.Fields(string(stdout))
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if len(versionFields) < 3 {
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return string(stdout), nil
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}
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return versionFields[2], nil
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}
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