func (m *MissingPackageHandler) OnGopath(pkg string) (bool, error) {
// If useGopath is false, we fall back to the strategy of fetching from
// remote.
if !m.useGopath {
return m.NotFound(pkg)
}
root := util.GetRootFromPackage(pkg)
// Skip any references to the root package.
if root == m.RootPackage {
return false, nil
}
msg.Info("Copying package %s from the GOPATH.", pkg)
dest := filepath.Join(m.destination, pkg)
// Find package on Gopath
for _, gp := range gpath.Gopaths() {
src := filepath.Join(gp, pkg)
// FIXME: Should probably check if src is a dir or symlink.
if _, err := os.Stat(src); err == nil {
if err := os.MkdirAll(dest, os.ModeDir|0755); err != nil {
return false, err
}
if err := gpath.CopyDir(src, dest); err != nil {
return false, err
}
return true, nil
}
}
msg.Error("Could not locate %s on the GOPATH, though it was found before.", pkg)
return false, nil
}
// 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
}
// 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 uncomitted 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 := cacheCreateKey(loc)
if err == nil {
msg.Debug("Saving default branch for %s", repo.Remote())
c := cacheRepoInfo{DefaultBranch: branch}
err = saveCacheRepoData(key, c, home)
if msg.Default.IsDebugging && err == 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 := cacheCreateKey(loc)
if err == nil {
d := filepath.Join(home, "cache", "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 := cacheCreateKey(loc)
if err == nil {
msg.Debug("Saving default branch for %s", repo.Remote())
c := cacheRepoInfo{DefaultBranch: branch}
err = saveCacheRepoData(key, c, home)
if err == 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
} else {
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
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 := cacheCreateKey(loc)
if err == nil {
msg.Debug("Saving default branch for %s", repo.Remote())
c := cacheRepoInfo{DefaultBranch: branch}
err = saveCacheRepoData(key, c, home)
if err == 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
}
// 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
}
