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driver_gitbinary.go

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package gitdb

import (

"errors"

"os/exec"

"strings"

"time"

"github.com/bouggo/log"

)

type gitBinaryDriver struct {

config Config

absDBPath string

}

func (d *gitBinaryDriver) name() string {

return "gitBinary"

}

func (d *gitBinaryDriver) setup(db *gitdb) error {

d.config = db.config

d.absDBPath = db.dbDir()

return nil

}

func (d *gitBinaryDriver) init() error {

cmd := exec.Command("git", "-C", d.absDBPath, "init")

// log(utils.CmdToString(cmd))

if out, err := cmd.CombinedOutput(); err != nil {

log.Info(string(out))

return err

}

return nil

}

func (d *gitBinaryDriver) clone() error {

cmd := exec.Command("git", "clone", "--depth", "10", d.config.OnlineRemote, d.absDBPath)

if out, err := cmd.CombinedOutput(); err != nil {

return errors.New(string(out))

}

return nil

}

func (d *gitBinaryDriver) addRemote() error {

// check to see if we have origin / online remotes

cmd := exec.Command("git", "-C", d.absDBPath, "remote")

out, err := cmd.CombinedOutput()

if err != nil {

// log(string(out))

return err

}

remoteStr := string(out)

hasOriginRemote := strings.Contains(remoteStr, "origin")

hasOnlineRemote := strings.Contains(remoteStr, "online")

if hasOriginRemote {

cmd := exec.Command("git", "-C", d.absDBPath, "remote", "rm", "origin")

if out, err := cmd.CombinedOutput(); err != nil {

log.Info(string(out))

}

}

if !hasOnlineRemote {

cmd = exec.Command("git", "-C", d.absDBPath, "remote", "add", "online", d.config.OnlineRemote)

// log(utils.CmdToString(cmd))

if out, err := cmd.CombinedOutput(); err != nil {

return errors.New(string(out))

}

}

return nil

}

func (d *gitBinaryDriver) sync() error {

if err := d.pull(); err != nil {

return err

}

if err := d.push(); err != nil {

return err

}

return nil

}

func (d *gitBinaryDriver) pull() error {

cmd := exec.Command("git", "-C", d.absDBPath, "pull", "online", "master")

// log(utils.CmdToString(cmd))

if out, err := cmd.CombinedOutput(); err != nil {

log.Error(string(out))

return errors.New("failed to pull data from online remote")

}

return nil

}

func (d *gitBinaryDriver) push() error {

cmd := exec.Command("git", "-C", d.absDBPath, "push", "online", "master")

// log(utils.CmdToString(cmd))

if out, err := cmd.CombinedOutput(); err != nil {

log.Error(string(out))

return errors.New("failed to push data to online remotes")

}

return nil

}

func (d *gitBinaryDriver) commit(filePath string, msg string, user *User) error {

cmd := exec.Command("git", "-C", d.absDBPath, "config", "user.email", user.Email)

// log(utils.CmdToString(cmd))

if out, err := cmd.CombinedOutput(); err != nil {

log.Error(string(out))

return err

}

cmd = exec.Command("git", "-C", d.absDBPath, "config", "user.name", user.Name)

// log(utils.CmdToString(cmd))

if out, err := cmd.CombinedOutput(); err != nil {

log.Error(string(out))

return err

}

cmd = exec.Command("git", "-C", d.absDBPath, "add", filePath)

// log(utils.CmdToString(cmd))

if out, err := cmd.CombinedOutput(); err != nil {

log.Error(string(out))

return err

}

cmd = exec.Command("git", "-C", d.absDBPath, "commit", "-am", msg)

// log(utils.CmdToString(cmd))

if out, err := cmd.CombinedOutput(); err != nil {

log.Error(string(out))

return err

}

log.Info("new changes committed")

return nil

}

func (d *gitBinaryDriver) undo() error {

cmd := exec.Command("git", "-C", d.absDBPath, "checkout", ".")

// log(utils.CmdToString(cmd))

if out, err := cmd.CombinedOutput(); err != nil {

log.Error(string(out))

return err

}

cmd = exec.Command("git", "-C", d.absDBPath, "clean", "-fd")

// log(utils.CmdToString(cmd))

if out, err := cmd.CombinedOutput(); err != nil {

log.Error(string(out))

return err

}

log.Info("changes reverted")

return nil

}

func (d *gitBinaryDriver) changedFiles() []string {

var files []string

if len(d.config.OnlineRemote) > 0 {

log.Test("getting list of changed files...")

// git fetch

cmd := exec.Command("git", "-C", d.absDBPath, "fetch", "online", "master")

if out, err := cmd.CombinedOutput(); err != nil {

log.Error(string(out))

return files

}

// git diff --name-only ..online/master

cmd = exec.Command("git", "-C", d.absDBPath, "diff", "--name-only", "..online/master")

out, err := cmd.CombinedOutput()

if err != nil {

log.Error(string(out))

return files

}

output := string(out)

if len(output) > 0 {

// strip out lock files

for _, file := range strings.Split(output, "\n") {

if strings.HasSuffix(file, ".json") {

files = append(files, file)

}

}

return files

}

}

return files

}

func (d *gitBinaryDriver) lastCommitTime() (time.Time, error) {

var t time.Time

cmd := exec.Command("git", "-C", d.absDBPath, "log", "-1", "--remotes=online", "--format=%cd", "--date=iso")

// log.PutInfo(utils.CmdToString(cmd))

out, err := cmd.CombinedOutput()

if err != nil {

// log.PutError("gitLastCommit Failed")

return t, err

}

timeString := string(out)

if len(timeString) >= 25 {

return time.Parse("2006-01-02 15:04:05 -0700", timeString[:25])

}

return t, errors.New("no commit history in repo")

}