forked from mirrors/gomod2nix
94 lines
1.7 KiB
Go
94 lines
1.7 KiB
Go
package main
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import (
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"encoding/json"
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"io/ioutil"
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"os"
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"path/filepath"
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"sort"
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)
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type fetchInfo struct {
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Type string `toml:"type"`
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URL string `toml:"url"`
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Rev string `toml:"rev"`
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Sha256 string `toml:"sha256"`
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}
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type packageT struct {
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SumVersion string `toml:"sumVersion"`
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RelPath string `toml:"relPath,omitempty"`
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VendorPath string `toml:"vendorPath,omitempty"`
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Fetch *fetchInfo `toml:"fetch"`
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}
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func main() {
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pkgs := make(map[string]*packageT)
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sources := make(map[string]string)
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b, err := ioutil.ReadFile(os.Getenv("sourcesPath"))
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if err != nil {
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panic(err)
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}
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err = json.Unmarshal(b, &sources)
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if err != nil {
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panic(err)
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}
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b, err = ioutil.ReadFile(os.Getenv("jsonPath"))
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if err != nil {
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panic(err)
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}
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err = json.Unmarshal(b, &pkgs)
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if err != nil {
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panic(err)
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}
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keys := make([]string, 0, len(pkgs))
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for key := range pkgs {
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keys = append(keys, key)
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}
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sort.Strings(keys)
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// Iterate, in reverse order
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for i := len(keys) - 1; i >= 0; i-- {
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key := keys[i]
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src := sources[key]
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pkg := pkgs[key]
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paths := []string{key}
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if pkg.VendorPath != "" {
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paths = append(paths, pkg.VendorPath)
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}
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for _, path := range paths {
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vendorDir := filepath.Join("vendor", filepath.Dir(path))
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os.MkdirAll(vendorDir, 0755)
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if _, err := os.Stat(filepath.Join("vendor", path)); err == nil {
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files, err := ioutil.ReadDir(src)
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if err != nil {
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panic(err)
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}
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for _, f := range files {
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os.Symlink(filepath.Join(src, f.Name()), filepath.Join("vendor", path, f.Name()))
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}
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continue
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}
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// If the file doesn't already exist, just create a simple symlink
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err := os.Symlink(src, filepath.Join("vendor", path))
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if err != nil {
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panic(err)
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}
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}
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}
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}
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