func (d *VersionHandler) pkgPath(pkg string) string {
root, sub := util.NormalizeName(pkg)
// For the parent applications source skip the cache.
if root == d.Config.Name {
pth := gpath.Basepath()
return filepath.Join(pth, filepath.FromSlash(sub))
}
dep := d.Config.Imports.Get(root)
if dep == nil {
dep = d.Config.DevImports.Get(root)
}
if dep == nil {
dep, _ = d.Use.Get(root)
if dep == nil {
dep = &cfg.Dependency{Name: root}
}
}
key, err := cache.Key(dep.Remote())
if err != nil {
msg.Die("Error generating cache key for %s", dep.Name)
}
return filepath.Join(cache.Location(), "src", key, filepath.FromSlash(sub))
}
// ConcurrentUpdate takes a list of dependencies and updates in parallel.
func ConcurrentUpdate(deps []*cfg.Dependency, i *Installer, c *cfg.Config) error {
done := make(chan struct{}, concurrentWorkers)
in := make(chan *cfg.Dependency, concurrentWorkers)
var wg sync.WaitGroup
var lock sync.Mutex
var returnErr error
for ii := 0; ii < concurrentWorkers; ii++ {
go func(ch <-chan *cfg.Dependency) {
for {
select {
case dep := <-ch:
loc := dep.Remote()
key, err := cache.Key(loc)
if err != nil {
msg.Die(err.Error())
}
cache.Lock(key)
if err := VcsUpdate(dep, i.Force, i.Updated); err != nil {
msg.Err("Update failed for %s: %s\n", dep.Name, err)
// Capture the error while making sure the concurrent
// operations don't step on each other.
lock.Lock()
if returnErr == nil {
returnErr = err
} else {
returnErr = cli.NewMultiError(returnErr, err)
}
lock.Unlock()
}
cache.Unlock(key)
wg.Done()
case <-done:
return
}
}
}(in)
}
for _, dep := range deps {
if !c.HasIgnore(dep.Name) {
wg.Add(1)
in <- dep
}
}
wg.Wait()
// Close goroutines setting the version
for ii := 0; ii < concurrentWorkers; ii++ {
done <- struct{}{}
}
return returnErr
}
// VcsGet figures out how to fetch a dependency, and then gets it.
//
// VcsGet installs into the cache.
func VcsGet(dep *cfg.Dependency) error {
key, err := cp.Key(dep.Remote())
if err != nil {
msg.Die("Cache key generation error: %s", err)
}
location := cp.Location()
d := filepath.Join(location, "src", key)
repo, err := dep.GetRepo(d)
if err != nil {
return err
}
// If the directory does not exist this is a first cache.
if _, err = os.Stat(d); os.IsNotExist(err) {
msg.Debug("Adding %s to the cache for the first time", dep.Name)
err = repo.Get()
if err != nil {
return err
}
branch := findCurrentBranch(repo)
if branch != "" {
msg.Debug("Saving default branch for %s", repo.Remote())
c := cp.RepoInfo{DefaultBranch: branch}
err = cp.SaveRepoData(key, c)
if err == cp.ErrCacheDisabled {
msg.Debug("Unable to cache default branch because caching is disabled")
} else if err != nil {
msg.Debug("Error saving %s to cache. Error: %s", repo.Remote(), err)
}
}
} else {
msg.Debug("Updating %s in the cache", dep.Name)
err = repo.Update()
if err != nil {
return err
}
}
return nil
}
// LazyConcurrentUpdate updates only deps that are not already checkout out at the right version.
//
// This is only safe when updating from a lock file.
func LazyConcurrentUpdate(deps []*cfg.Dependency, i *Installer, c *cfg.Config) error {
newDeps := []*cfg.Dependency{}
for _, dep := range deps {
key, err := cache.Key(dep.Remote())
if err != nil {
newDeps = append(newDeps, dep)
continue
}
destPath := filepath.Join(cache.Location(), "src", key)
// Get a VCS object for this directory
repo, err := dep.GetRepo(destPath)
if err != nil {
newDeps = append(newDeps, dep)
continue
}
ver, err := repo.Version()
if err != nil {
newDeps = append(newDeps, dep)
continue
}
if dep.Reference != "" {
ci, err := repo.CommitInfo(dep.Reference)
if err == nil && ci.Commit == dep.Reference {
msg.Info("--> Found desired version locally %s %s!", dep.Name, dep.Reference)
continue
}
}
msg.Debug("--> Queue %s for update (%s != %s).", dep.Name, ver, dep.Reference)
newDeps = append(newDeps, dep)
}
if len(newDeps) > 0 {
return ConcurrentUpdate(newDeps, i, c)
}
return nil
}
func (d *VersionHandler) pkgPath(pkg string) string {
root, sub := util.NormalizeName(pkg)
dep := d.Config.Imports.Get(root)
if dep == nil {
dep = d.Config.DevImports.Get(root)
}
if dep == nil {
dep, _ = d.Use.Get(root)
if dep == nil {
dep = &cfg.Dependency{Name: root}
}
}
key, err := cache.Key(dep.Remote())
if err != nil {
msg.Die("Error generating cache key for %s", dep.Name)
}
return filepath.Join(cache.Location(), "src", key, sub)
}
// PkgPath resolves the location on the filesystem where the package should be.
// This handles making sure to use the cache location.
func (m *MissingPackageHandler) PkgPath(pkg string) string {
root, sub := util.NormalizeName(pkg)
d := m.Config.Imports.Get(root)
if d == nil {
d = m.Config.DevImports.Get(root)
}
if d == nil {
d, _ = m.Use.Get(root)
if d == nil {
d = &cfg.Dependency{Name: root}
}
}
key, err := cache.Key(d.Remote())
if err != nil {
msg.Die("Error generating cache key for %s", d.Name)
}
return filepath.Join(cache.Location(), "src", key, sub)
}
func wizardFindVersions(d *cfg.Dependency) {
l, err := cache.Location()
if err != nil {
msg.Debug("Problem detecting cache location: %s", err)
return
}
var remote string
if d.Repository != "" {
remote = d.Repository
} else {
remote = "https://" + d.Name
}
key, err := cache.Key(remote)
if err != nil {
msg.Debug("Problem generating cache key for %s: %s", remote, err)
return
}
local := filepath.Join(l, "src", key)
repo, err := vcs.NewRepo(remote, local)
if err != nil {
msg.Debug("Problem getting repo instance: %s", err)
return
}
var useLocal bool
if _, err = os.Stat(local); err == nil {
useLocal = true
}
// Git endpoints allow for querying without fetching the codebase locally.
// We try that first to avoid fetching right away. Is this premature
// optimization?
cc := true
if !useLocal && repo.Vcs() == vcs.Git {
out, err2 := exec.Command("git", "ls-remote", remote).CombinedOutput()
if err2 == nil {
cache.MemTouch(remote)
cc = false
lines := strings.Split(string(out), "\n")
for _, i := range lines {
ti := strings.TrimSpace(i)
if found := createGitParseVersion.FindString(ti); found != "" {
tg := strings.TrimPrefix(strings.TrimSuffix(found, "^{}"), "tags/")
cache.MemPut(remote, tg)
if d.Reference != "" && strings.HasPrefix(ti, d.Reference) {
cache.MemSetCurrent(remote, tg)
}
}
}
}
}
if cc {
cache.Lock(key)
cache.MemTouch(remote)
if _, err = os.Stat(local); os.IsNotExist(err) {
repo.Get()
branch := findCurrentBranch(repo)
c := cache.RepoInfo{DefaultBranch: branch}
err = cache.SaveRepoData(key, c)
if err != nil {
msg.Debug("Error saving cache repo details: %s", err)
}
} else {
repo.Update()
}
tgs, err := repo.Tags()
if err != nil {
msg.Debug("Problem getting tags: %s", err)
} else {
for _, v := range tgs {
cache.MemPut(remote, v)
}
}
if d.Reference != "" && repo.IsReference(d.Reference) {
tgs, err = repo.TagsFromCommit(d.Reference)
if err != nil {
msg.Debug("Problem getting tags for commit: %s", err)
} else {
if len(tgs) > 0 {
for _, v := range tgs {
if !(repo.Vcs() == vcs.Hg && v == "tip") {
cache.MemSetCurrent(remote, v)
}
}
}
}
}
cache.Unlock(key)
}
}
// ConcurrentUpdate takes a list of dependencies and updates in parallel.
func ConcurrentUpdate(deps []*cfg.Dependency, cwd string, i *Installer, c *cfg.Config) error {
done := make(chan struct{}, concurrentWorkers)
in := make(chan *cfg.Dependency, concurrentWorkers)
var wg sync.WaitGroup
var lock sync.Mutex
var returnErr error
msg.Info("Downloading dependencies. Please wait...")
for ii := 0; ii < concurrentWorkers; ii++ {
go func(ch <-chan *cfg.Dependency) {
for {
select {
case dep := <-ch:
var loc string
if dep.Repository != "" {
loc = dep.Repository
} else {
loc = "https://" + dep.Name
}
key, err := cache.Key(loc)
if err != nil {
msg.Die(err.Error())
}
cache.Lock(key)
dest := filepath.Join(i.VendorPath(), dep.Name)
if err := VcsUpdate(dep, dest, i.Home, i.UseCache, i.UseCacheGopath, i.UseGopath, i.Force, i.UpdateVendored, i.Updated); err != nil {
msg.Err("Update failed for %s: %s\n", dep.Name, err)
// Capture the error while making sure the concurrent
// operations don't step on each other.
lock.Lock()
if returnErr == nil {
returnErr = err
} else {
returnErr = cli.NewMultiError(returnErr, err)
}
lock.Unlock()
}
cache.Unlock(key)
wg.Done()
case <-done:
return
}
}
}(in)
}
for _, dep := range deps {
if !c.HasIgnore(dep.Name) {
wg.Add(1)
in <- dep
}
}
wg.Wait()
// Close goroutines setting the version
for ii := 0; ii < concurrentWorkers; ii++ {
done <- struct{}{}
}
return returnErr
}
// Export from the cache to the vendor directory
func (i *Installer) Export(conf *cfg.Config) error {
tempDir, err := ioutil.TempDir(gpath.Tmp, "glide-vendor")
if err != nil {
return err
}
defer func() {
err = os.RemoveAll(tempDir)
if err != nil {
msg.Err(err.Error())
}
}()
vp := filepath.Join(tempDir, "vendor")
err = os.MkdirAll(vp, 0755)
msg.Info("Exporting resolved dependencies...")
done := make(chan struct{}, concurrentWorkers)
in := make(chan *cfg.Dependency, concurrentWorkers)
var wg sync.WaitGroup
var lock sync.Mutex
var returnErr error
for ii := 0; ii < concurrentWorkers; ii++ {
go func(ch <-chan *cfg.Dependency) {
for {
select {
case dep := <-ch:
loc := dep.Remote()
key, err := cache.Key(loc)
if err != nil {
msg.Die(err.Error())
}
cache.Lock(key)
cdir := filepath.Join(cache.Location(), "src", key)
repo, err := dep.GetRepo(cdir)
if err != nil {
msg.Die(err.Error())
}
msg.Info("--> Exporting %s", dep.Name)
if err := repo.ExportDir(filepath.Join(vp, filepath.ToSlash(dep.Name))); err != nil {
msg.Err("Export failed for %s: %s\n", dep.Name, err)
// Capture the error while making sure the concurrent
// operations don't step on each other.
lock.Lock()
if returnErr == nil {
returnErr = err
} else {
returnErr = cli.NewMultiError(returnErr, err)
}
lock.Unlock()
}
cache.Unlock(key)
wg.Done()
case <-done:
return
}
}
}(in)
}
for _, dep := range conf.Imports {
if !conf.HasIgnore(dep.Name) {
err = os.MkdirAll(filepath.Join(vp, filepath.ToSlash(dep.Name)), 0755)
if err != nil {
lock.Lock()
if returnErr == nil {
returnErr = err
} else {
returnErr = cli.NewMultiError(returnErr, err)
}
lock.Unlock()
}
wg.Add(1)
in <- dep
}
}
if i.ResolveTest {
for _, dep := range conf.DevImports {
if !conf.HasIgnore(dep.Name) {
err = os.MkdirAll(filepath.Join(vp, filepath.ToSlash(dep.Name)), 0755)
if err != nil {
lock.Lock()
if returnErr == nil {
returnErr = err
} else {
returnErr = cli.NewMultiError(returnErr, err)
}
lock.Unlock()
}
wg.Add(1)
in <- dep
}
}
}
wg.Wait()
// Close goroutines setting the version
for ii := 0; ii < concurrentWorkers; ii++ {
done <- struct{}{}
}
if returnErr != nil {
return returnErr
}
msg.Info("Replacing existing vendor dependencies")
err = os.RemoveAll(i.VendorPath())
if err != nil {
return err
}
err = os.Rename(vp, i.VendorPath())
if err != nil {
// When there are different physical devices we cannot rename cross device.
// Instead we copy.
switch terr := err.(type) {
case *os.LinkError:
// syscall.EXDEV is the common name for the cross device link error
// which has varying output text across different operating systems.
if terr.Err == syscall.EXDEV {
msg.Debug("Cross link err, trying manual copy: %s", err)
return gpath.CopyDir(vp, i.VendorPath())
} else if runtime.GOOS == "windows" {
// In windows it can drop down to an operating system call that
// returns an operating system error with a different number and
// message. Checking for that as a fall back.
noerr, ok := terr.Err.(syscall.Errno)
// 0x11 (ERROR_NOT_SAME_DEVICE) is the windows error.
// See https://msdn.microsoft.com/en-us/library/cc231199.aspx
if ok && noerr == 0x11 {
msg.Debug("Cross link err on Windows, trying manual copy: %s", err)
return gpath.CopyDir(vp, i.VendorPath())
}
}
}
}
return err
}
// defaultBranch tries to ascertain the default branch for the given repo.
// Some repos will have multiple branches in them (e.g. Git) while others
// (e.g. Svn) will not.
func defaultBranch(repo v.Repo, home string) string {
// Svn and Bzr use different locations (paths or entire locations)
// for branches so we won't have a default branch.
if repo.Vcs() == v.Svn || repo.Vcs() == v.Bzr {
return ""
}
// Check the cache for a value.
key, kerr := cp.Key(repo.Remote())
var d cp.RepoInfo
if kerr == nil {
d, err := cp.RepoData(key)
if err == nil {
if d.DefaultBranch != "" {
return d.DefaultBranch
}
}
}
// If we don't have it in the store try some APIs
r := repo.Remote()
u, err := url.Parse(r)
if err != nil {
return ""
}
if u.Scheme == "" {
// Where there is no scheme we try urls like [email protected]:foo/bar
r = strings.Replace(r, ":", "/", -1)
r = "ssh://" + r
u, err = url.Parse(r)
if err != nil {
return ""
}
u.Scheme = ""
}
if u.Host == "github.com" {
parts := strings.Split(u.Path, "/")
if len(parts) != 2 {
return ""
}
api := fmt.Sprintf("https://api.github.com/repos/%s/%s", parts[0], parts[1])
resp, err := http.Get(api)
if err != nil {
return ""
}
defer resp.Body.Close()
if resp.StatusCode >= 300 || resp.StatusCode < 200 {
return ""
}
body, err := ioutil.ReadAll(resp.Body)
var data interface{}
err = json.Unmarshal(body, &data)
if err != nil {
return ""
}
gh := data.(map[string]interface{})
db := gh["default_branch"].(string)
if kerr == nil {
d.DefaultBranch = db
err := cp.SaveRepoData(key, d)
if err == cp.ErrCacheDisabled {
msg.Debug("Unable to cache default branch because caching is disabled")
} else if err != nil {
msg.Debug("Error saving %s to cache. Error: %s", repo.Remote(), err)
}
}
return db
}
if u.Host == "bitbucket.org" {
parts := strings.Split(u.Path, "/")
if len(parts) != 2 {
return ""
}
api := fmt.Sprintf("https://bitbucket.org/api/1.0/repositories/%s/%s/main-branch/", parts[0], parts[1])
resp, err := http.Get(api)
if err != nil {
return ""
}
defer resp.Body.Close()
if resp.StatusCode >= 300 || resp.StatusCode < 200 {
return ""
}
body, err := ioutil.ReadAll(resp.Body)
var data interface{}
err = json.Unmarshal(body, &data)
if err != nil {
return ""
}
bb := data.(map[string]interface{})
db := bb["name"].(string)
if kerr == nil {
d.DefaultBranch = db
err := cp.SaveRepoData(key, d)
if err == cp.ErrCacheDisabled {
msg.Debug("Unable to cache default branch because caching is disabled")
} else if err != nil {
msg.Debug("Error saving %s to cache. Error: %s", repo.Remote(), err)
}
}
return db
}
return ""
}
// VcsGet figures out how to fetch a dependency, and then gets it.
//
// VcsGet installs into the dest.
func VcsGet(dep *cfg.Dependency, dest, home string, cache, cacheGopath, useGopath bool) error {
// When not skipping the $GOPATH look in it for a copy of the package
if useGopath {
// Check if the $GOPATH has a viable version to use and if so copy to vendor
gps := gpath.Gopaths()
for _, p := range gps {
d := filepath.Join(p, "src", dep.Name)
if _, err := os.Stat(d); err == nil {
empty, err := gpath.IsDirectoryEmpty(d)
if empty || err != nil {
continue
}
repo, err := dep.GetRepo(d)
if err != nil {
continue
}
// Dirty repos have uncommitted changes.
if repo.IsDirty() {
continue
}
// Having found a repo we copy it to vendor and update it.
msg.Info("Copying package %s from the GOPATH.", dep.Name)
msg.Debug("Found %s in GOPATH at %s. Copying to %s", dep.Name, d, dest)
err = gpath.CopyDir(d, dest)
if err != nil {
return err
}
// Update the repo in the vendor directory
msg.Debug("Updating %s, now in the vendor path at %s", dep.Name, dest)
repo, err = dep.GetRepo(dest)
if err != nil {
return err
}
err = repo.Update()
if err != nil {
return err
}
// If there is no reference set on the dep we try to checkout
// the default branch.
if dep.Reference == "" {
db := defaultBranch(repo, home)
if db != "" {
err = repo.UpdateVersion(db)
if err != nil && msg.Default.IsDebugging {
msg.Debug("Attempting to set the version on %s to %s failed. Error %s", dep.Name, db, err)
}
}
}
return nil
}
}
}
// When opting in to cache in the GOPATH attempt to do put a copy there.
if cacheGopath {
// Since we didn't find an existing copy in the GOPATHs try to clone there.
gp := gpath.Gopath()
if gp != "" {
d := filepath.Join(gp, "src", dep.Name)
if _, err := os.Stat(d); os.IsNotExist(err) {
// Empty directory so we checkout out the code here.
msg.Debug("Retrieving %s to %s before copying to vendor", dep.Name, d)
repo, err := dep.GetRepo(d)
if err != nil {
return err
}
repo.Get()
branch := findCurrentBranch(repo)
if branch != "" {
// we know the default branch so we can store it in the cache
var loc string
if dep.Repository != "" {
loc = dep.Repository
} else {
loc = "https://" + dep.Name
}
key, err := cp.Key(loc)
if err == nil {
msg.Debug("Saving default branch for %s", repo.Remote())
c := cp.RepoInfo{DefaultBranch: branch}
err = cp.SaveRepoData(key, c)
if msg.Default.IsDebugging && err == cp.ErrCacheDisabled {
msg.Debug("Unable to cache default branch because caching is disabled")
}
}
}
msg.Debug("Copying %s from GOPATH at %s to %s", dep.Name, d, dest)
err = gpath.CopyDir(d, dest)
if err != nil {
return err
}
return nil
}
}
}
// If opting in to caching attempt to put it in the cache folder
if cache {
// Check if the cache has a viable version and try to use that.
var loc string
if dep.Repository != "" {
loc = dep.Repository
} else {
loc = "https://" + dep.Name
}
key, err := cp.Key(loc)
if err == nil {
location, err := cp.Location()
if err != nil {
return err
}
d := filepath.Join(location, "src", key)
repo, err := dep.GetRepo(d)
if err != nil {
return err
}
// If the directory does not exist this is a first cache.
if _, err = os.Stat(d); os.IsNotExist(err) {
msg.Debug("Adding %s to the cache for the first time", dep.Name)
err = repo.Get()
if err != nil {
return err
}
branch := findCurrentBranch(repo)
if branch != "" {
// we know the default branch so we can store it in the cache
var loc string
if dep.Repository != "" {
loc = dep.Repository
} else {
loc = "https://" + dep.Name
}
key, err := cp.Key(loc)
if err == nil {
msg.Debug("Saving default branch for %s", repo.Remote())
c := cp.RepoInfo{DefaultBranch: branch}
err = cp.SaveRepoData(key, c)
if err == cp.ErrCacheDisabled {
msg.Debug("Unable to cache default branch because caching is disabled")
} else if err != nil {
msg.Debug("Error saving %s to cache. Error: %s", repo.Remote(), err)
}
}
}
} else {
msg.Debug("Updating %s in the cache", dep.Name)
err = repo.Update()
if err != nil {
return err
}
}
msg.Debug("Copying %s from the cache to %s", dep.Name, dest)
err = gpath.CopyDir(d, dest)
if err != nil {
return err
}
return nil
}
msg.Warn("Cache key generation error: %s", err)
}
// If unable to cache pull directly into the vendor/ directory.
repo, err := dep.GetRepo(dest)
if err != nil {
return err
}
gerr := repo.Get()
// Attempt to cache the default branch
if cache {
if branch := findCurrentBranch(repo); branch != "" {
// we know the default branch so we can store it in the cache
var loc string
if dep.Repository != "" {
loc = dep.Repository
} else {
loc = "https://" + dep.Name
}
key, err := cp.Key(loc)
if err == nil {
msg.Debug("Saving default branch for %s", repo.Remote())
c := cp.RepoInfo{DefaultBranch: branch}
err = cp.SaveRepoData(key, c)
if err == cp.ErrCacheDisabled {
msg.Debug("Unable to cache default branch because caching is disabled")
} else if err != nil {
msg.Debug("Error saving %s to cache - Error: %s", repo.Remote(), err)
}
}
}
}
return gerr
}
// SetReference is a command to set the VCS reference (commit id, tag, etc) for
// a project.
func SetReference(conf *cfg.Config, resolveTest bool) error {
if len(conf.Imports) == 0 && len(conf.DevImports) == 0 {
msg.Info("No references set.\n")
return nil
}
done := make(chan struct{}, concurrentWorkers)
in := make(chan *cfg.Dependency, concurrentWorkers)
var wg sync.WaitGroup
var lock sync.Mutex
var returnErr error
for i := 0; i < concurrentWorkers; i++ {
go func(ch <-chan *cfg.Dependency) {
for {
select {
case dep := <-ch:
var loc string
if dep.Repository != "" {
loc = dep.Repository
} else {
loc = "https://" + dep.Name
}
key, err := cache.Key(loc)
if err != nil {
msg.Die(err.Error())
}
cache.Lock(key)
if err := VcsVersion(dep); err != nil {
msg.Err("Failed to set version on %s to %s: %s\n", dep.Name, dep.Reference, err)
// Capture the error while making sure the concurrent
// operations don't step on each other.
lock.Lock()
if returnErr == nil {
returnErr = err
} else {
returnErr = cli.NewMultiError(returnErr, err)
}
lock.Unlock()
}
cache.Unlock(key)
wg.Done()
case <-done:
return
}
}
}(in)
}
for _, dep := range conf.Imports {
if !conf.HasIgnore(dep.Name) {
wg.Add(1)
in <- dep
}
}
if resolveTest {
for _, dep := range conf.DevImports {
if !conf.HasIgnore(dep.Name) {
wg.Add(1)
in <- dep
}
}
}
wg.Wait()
// Close goroutines setting the version
for i := 0; i < concurrentWorkers; i++ {
done <- struct{}{}
}
// close(done)
// close(in)
return returnErr
}
// Export from the cache to the vendor directory
func (i *Installer) Export(conf *cfg.Config) error {
tempDir, err := ioutil.TempDir(gpath.Tmp, "glide-vendor")
if err != nil {
return err
}
defer func() {
err = os.RemoveAll(tempDir)
if err != nil {
msg.Err(err.Error())
}
}()
vp := filepath.Join(tempDir, "vendor")
err = os.MkdirAll(vp, 0755)
msg.Info("Exporting resolved dependencies...")
done := make(chan struct{}, concurrentWorkers)
in := make(chan *cfg.Dependency, concurrentWorkers)
var wg sync.WaitGroup
var lock sync.Mutex
var returnErr error
for ii := 0; ii < concurrentWorkers; ii++ {
go func(ch <-chan *cfg.Dependency) {
for {
select {
case dep := <-ch:
loc := dep.Remote()
key, err := cache.Key(loc)
if err != nil {
msg.Die(err.Error())
}
cache.Lock(key)
cdir := filepath.Join(cache.Location(), "src", key)
repo, err := dep.GetRepo(cdir)
if err != nil {
msg.Die(err.Error())
}
msg.Info("--> Exporting %s", dep.Name)
if err := repo.ExportDir(filepath.Join(vp, filepath.ToSlash(dep.Name))); err != nil {
msg.Err("Export failed for %s: %s\n", dep.Name, err)
// Capture the error while making sure the concurrent
// operations don't step on each other.
lock.Lock()
if returnErr == nil {
returnErr = err
} else {
returnErr = cli.NewMultiError(returnErr, err)
}
lock.Unlock()
}
cache.Unlock(key)
wg.Done()
case <-done:
return
}
}
}(in)
}
for _, dep := range conf.Imports {
if !conf.HasIgnore(dep.Name) {
err = os.MkdirAll(filepath.Join(vp, filepath.ToSlash(dep.Name)), 0755)
if err != nil {
lock.Lock()
if returnErr == nil {
returnErr = err
} else {
returnErr = cli.NewMultiError(returnErr, err)
}
lock.Unlock()
}
wg.Add(1)
in <- dep
}
}
if i.ResolveTest {
for _, dep := range conf.DevImports {
if !conf.HasIgnore(dep.Name) {
err = os.MkdirAll(filepath.Join(vp, filepath.ToSlash(dep.Name)), 0755)
if err != nil {
lock.Lock()
if returnErr == nil {
returnErr = err
} else {
returnErr = cli.NewMultiError(returnErr, err)
}
lock.Unlock()
}
wg.Add(1)
in <- dep
}
}
}
wg.Wait()
// Close goroutines setting the version
for ii := 0; ii < concurrentWorkers; ii++ {
done <- struct{}{}
}
if returnErr != nil {
return returnErr
}
msg.Info("Replacing existing vendor dependencies")
err = os.RemoveAll(i.VendorPath())
if err != nil {
return err
}
err = os.Rename(vp, i.VendorPath())
// When there are different physical devices we cannot rename cross device.
// Fall back to manual copy.
if err != nil && strings.Contains(err.Error(), "cross-device link") {
msg.Debug("Cross link err, trying manual copy: %s", err)
err = gpath.CopyDir(vp, i.VendorPath())
}
return err
}
// VcsUpdate updates to a particular checkout based on the VCS setting.
func VcsUpdate(dep *cfg.Dependency, force bool, updated *UpdateTracker) error {
// If the dependency has already been pinned we can skip it. This is a
// faster path so we don't need to resolve it again.
if dep.Pin != "" {
msg.Debug("Dependency %s has already been pinned. Fetching updates skipped.", dep.Name)
return nil
}
if updated.Check(dep.Name) {
msg.Debug("%s was already updated, skipping.", dep.Name)
return nil
}
updated.Add(dep.Name)
if filterArchOs(dep) {
msg.Info("%s is not used for %s/%s.\n", dep.Name, runtime.GOOS, runtime.GOARCH)
return nil
}
key, err := cp.Key(dep.Remote())
if err != nil {
msg.Die("Cache key generation error: %s", err)
}
location := cp.Location()
dest := filepath.Join(location, "src", key)
// If destination doesn't exist we need to perform an initial checkout.
if _, err := os.Stat(dest); os.IsNotExist(err) {
msg.Info("--> Fetching %s.", dep.Name)
if err = VcsGet(dep); err != nil {
msg.Warn("Unable to checkout %s\n", dep.Name)
return err
}
} else {
// At this point we have a directory for the package.
msg.Info("--> Fetching updates for %s.", dep.Name)
// When the directory is not empty and has no VCS directory it's
// a vendored files situation.
empty, err := gpath.IsDirectoryEmpty(dest)
if err != nil {
return err
}
_, err = v.DetectVcsFromFS(dest)
if empty == true && err == v.ErrCannotDetectVCS {
msg.Warn("Cached version of %s is an empty directory. Fetching a new copy of the dependency.", dep.Name)
msg.Debug("Removing empty directory %s", dest)
err := os.RemoveAll(dest)
if err != nil {
return err
}
if err = VcsGet(dep); err != nil {
msg.Warn("Unable to checkout %s\n", dep.Name)
return err
}
} else {
repo, err := dep.GetRepo(dest)
// Tried to checkout a repo to a path that does not work. Either the
// type or endpoint has changed. Force is being passed in so the old
// location can be removed and replaced with the new one.
// Warning, any changes in the old location will be deleted.
// TODO: Put dirty checking in on the existing local checkout.
if (err == v.ErrWrongVCS || err == v.ErrWrongRemote) && force == true {
newRemote := dep.Remote()
msg.Warn("Replacing %s with contents from %s\n", dep.Name, newRemote)
rerr := os.RemoveAll(dest)
if rerr != nil {
return rerr
}
if err = VcsGet(dep); err != nil {
msg.Warn("Unable to checkout %s\n", dep.Name)
return err
}
repo, err = dep.GetRepo(dest)
if err != nil {
return err
}
} else if err != nil {
return err
} else if repo.IsDirty() {
return fmt.Errorf("%s contains uncommitted changes. Skipping update", dep.Name)
}
ver := dep.Reference
if ver == "" {
ver = defaultBranch(repo)
}
// Check if the current version is a tag or commit id. If it is
// and that version is already checked out we can skip updating
// which is faster than going out to the Internet to perform
// an update.
if ver != "" {
version, err := repo.Version()
if err != nil {
return err
}
ib, err := isBranch(ver, repo)
if err != nil {
return err
}
// If the current version equals the ref and it's not a
// branch it's a tag or commit id so we can skip
// performing an update.
if version == ver && !ib {
msg.Debug("%s is already set to version %s. Skipping update.", dep.Name, dep.Reference)
return nil
}
}
if err := repo.Update(); err != nil {
msg.Warn("Download failed.\n")
return err
}
}
}
return nil
}
// VcsVersion set the VCS version for a checkout.
func VcsVersion(dep *cfg.Dependency) error {
// If the dependency has already been pinned we can skip it. This is a
// faster path so we don't need to resolve it again.
if dep.Pin != "" {
msg.Debug("Dependency %s has already been pinned. Setting version skipped.", dep.Name)
return nil
}
key, err := cp.Key(dep.Remote())
if err != nil {
msg.Die("Cache key generation error: %s", err)
}
location := cp.Location()
cwd := filepath.Join(location, "src", key)
// If there is no reference configured there is nothing to set.
if dep.Reference == "" {
// Before exiting update the pinned version
repo, err := dep.GetRepo(cwd)
if err != nil {
return err
}
dep.Pin, err = repo.Version()
if err != nil {
return err
}
return nil
}
// When the directory is not empty and has no VCS directory it's
// a vendored files situation.
empty, err := gpath.IsDirectoryEmpty(cwd)
if err != nil {
return err
}
_, err = v.DetectVcsFromFS(cwd)
if empty == false && err == v.ErrCannotDetectVCS {
return fmt.Errorf("Cache directory missing VCS information for %s", dep.Name)
}
repo, err := dep.GetRepo(cwd)
if err != nil {
return err
}
ver := dep.Reference
// References in Git can begin with a ^ which is similar to semver.
// If there is a ^ prefix we assume it's a semver constraint rather than
// part of the git/VCS commit id.
if repo.IsReference(ver) && !strings.HasPrefix(ver, "^") {
msg.Info("--> Setting version for %s to %s.\n", dep.Name, ver)
} else {
// Create the constraint first to make sure it's valid before
// working on the repo.
constraint, err := semver.NewConstraint(ver)
// Make sure the constriant is valid. At this point it's not a valid
// reference so if it's not a valid constrint we can exit early.
if err != nil {
msg.Warn("The reference '%s' is not valid\n", ver)
return err
}
// Get the tags and branches (in that order)
refs, err := getAllVcsRefs(repo)
if err != nil {
return err
}
// Convert and filter the list to semver.Version instances
semvers := getSemVers(refs)
// Sort semver list
sort.Sort(sort.Reverse(semver.Collection(semvers)))
found := false
for _, v := range semvers {
if constraint.Check(v) {
found = true
// If the constrint passes get the original reference
ver = v.Original()
break
}
}
if found {
msg.Info("--> Detected semantic version. Setting version for %s to %s.", dep.Name, ver)
} else {
msg.Warn("--> Unable to find semantic version for constraint %s %s", dep.Name, ver)
}
}
if err := repo.UpdateVersion(ver); err != nil {
return err
}
dep.Pin, err = repo.Version()
if err != nil {
return err
}
return nil
}
