118 lines
2.4 KiB
Go
118 lines
2.4 KiB
Go
// +build ignore
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package main
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import (
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"archive/tar"
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"compress/gzip"
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"flag"
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"path"
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"path/filepath"
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"strings"
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)
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func main() {
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var (
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prefix = "gitea-gitignore"
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url = "https://api.github.com/repos/github/gitignore/tarball"
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destination = ""
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)
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flag.StringVar(&destination, "dest", "options/gitignore/", "destination for the gitignores")
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flag.Parse()
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file, err := ioutil.TempFile(os.TempDir(), prefix)
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if err != nil {
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log.Fatalf("Failed to create temp file. %s", err)
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}
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defer os.Remove(file.Name())
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resp, err := http.Get(url)
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if err != nil {
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log.Fatalf("Failed to download archive. %s", err)
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}
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defer resp.Body.Close()
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if _, err := io.Copy(file, resp.Body); err != nil {
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log.Fatalf("Failed to copy archive to file. %s", err)
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}
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if _, err := file.Seek(0, 0); err != nil {
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log.Fatalf("Failed to reset seek on archive. %s", err)
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}
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gz, err := gzip.NewReader(file)
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if err != nil {
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log.Fatalf("Failed to gunzip the archive. %s", err)
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}
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tr := tar.NewReader(gz)
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filesToCopy := make(map[string]string, 0)
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for {
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hdr, err := tr.Next()
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if err == io.EOF {
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break
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}
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if err != nil {
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log.Fatalf("Failed to iterate archive. %s", err)
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}
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if filepath.Ext(hdr.Name) != ".gitignore" {
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continue
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}
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if hdr.Typeflag == tar.TypeSymlink {
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fmt.Printf("Found symlink %s -> %s\n", hdr.Name, hdr.Linkname)
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filesToCopy[strings.TrimSuffix(filepath.Base(hdr.Name), ".gitignore")] = strings.TrimSuffix(filepath.Base(hdr.Linkname), ".gitignore")
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continue
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}
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out, err := os.Create(path.Join(destination, strings.TrimSuffix(filepath.Base(hdr.Name), ".gitignore")))
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if err != nil {
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log.Fatalf("Failed to create new file. %s", err)
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}
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defer out.Close()
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if _, err := io.Copy(out, tr); err != nil {
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log.Fatalf("Failed to write new file. %s", err)
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} else {
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fmt.Printf("Written %s\n", out.Name())
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}
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}
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for dst, src := range filesToCopy {
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// Read all content of src to data
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src = path.Join(destination, src)
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data, err := ioutil.ReadFile(src)
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if err != nil {
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log.Fatalf("Failed to read src file. %s", err)
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}
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// Write data to dst
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dst = path.Join(destination, dst)
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err = ioutil.WriteFile(dst, data, 0644)
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if err != nil {
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log.Fatalf("Failed to write new file. %s", err)
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}
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fmt.Printf("Written (copy of %s) %s\n", src, dst)
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}
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fmt.Println("Done")
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}
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