/
vendor.go
167 lines (140 loc) · 3.02 KB
/
vendor.go
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package mod
import (
"fmt"
"io/fs"
"os"
"path/filepath"
"github.com/hofstadter-io/hof/cmd/hof/flags"
"github.com/hofstadter-io/hof/lib/repos/cache"
"github.com/hofstadter-io/hof/lib/repos/utils"
"github.com/hofstadter-io/hof/lib/yagu"
)
func Vendor(rflags flags.RootPflagpole) (error) {
upgradeHofMods()
cm, err := loadRootMod()
if err != nil {
return err
}
if rflags.Verbosity > 0 {
fmt.Println("vendoring deps for:", cm.Module)
}
err = cm.ensureCached()
if err != nil {
return err
}
return cm.Vendor("copy", rflags.Verbosity)
}
func (cm *CueMod) Vendor(method string, verbosity int) (err error) {
pkgDir := filepath.Join(cm.Basedir, "cue.mod", "pkg")
// dynamically determine
if method == "" {
for path, _ := range cm.Require {
info, err := os.Lstat(filepath.Join(pkgDir, path))
if err == nil {
if info.Mode() & fs.ModeSymlink == fs.ModeSymlink {
method = "link"
break
} else if info.IsDir() {
method = "copy"
break
}
}
}
if method == "" {
for path, _ := range cm.Indirect {
if _, ok := cm.Replace[path]; ok {
info, err := os.Lstat(filepath.Join(pkgDir, path))
if err == nil {
if info.Mode() & fs.ModeSymlink == fs.ModeSymlink {
method = "link"
break
} else if info.IsDir() {
method = "copy"
break
}
}
}
}
}
if method == "" {
method = "link"
}
}
// cleanup before remaking
err = os.RemoveAll(pkgDir)
if err != nil {
return err
}
err = os.Mkdir(pkgDir, 0755)
if err != nil {
return err
}
written := make(map[string]string)
// we symlink deps in the following preference order
// 1. replace
// 2. require
// 2. indirect
process := func (orig, path, ver string) error {
// check
_, ok := written[orig]
if ok {
if verbosity > 0 {
fmt.Println("warning, replaced twice:", orig)
}
return nil
}
src, dst := "", filepath.Join(cm.Basedir, "cue.mod", "pkg", orig)
if ver == "" {
src = filepath.Join(cm.Basedir, path)
} else {
remote, owner, repo := utils.ParseModURL(path)
src = cache.ModuleOutdir(remote, owner, repo, ver)
}
err := linkOrCopy(method, src, dst)
if err != nil {
return err
}
written[orig] = src
return nil
}
// for each replace
for orig, repl := range cm.Replace {
err := process(orig, repl.Path, repl.Version)
if err != nil {
return err
}
}
for path, ver := range cm.Require {
if _, ok := cm.Replace[path]; ok {
continue
}
err := process(path, path, ver)
if err != nil {
return err
}
}
for path, ver := range cm.Indirect {
if _, ok := cm.Replace[path]; ok {
continue
}
err := process(path, path, ver)
if err != nil {
return err
}
}
return nil
}
func linkOrCopy(method string, src, dst string) (err error) {
if method == "link" {
err = os.MkdirAll(filepath.Dir(dst), 0755)
if err != nil {
return err
}
err = os.Symlink(src, dst)
} else if method == "copy" {
err = yagu.CopyDir(src, dst)
} else {
panic("unknown mod install method: " + method)
}
return err
}