mirror of https://github.com/grafana/grafana.git
106 lines
1.9 KiB
Go
106 lines
1.9 KiB
Go
package build
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import (
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"crypto/md5"
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"crypto/sha256"
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"fmt"
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"io"
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"log"
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"os"
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"path/filepath"
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"strings"
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)
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func logAndClose(c io.Closer) {
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if err := c.Close(); err != nil {
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log.Println("error closing:", err)
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}
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}
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func shaDir(dir string) error {
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return filepath.Walk(dir, func(path string, f os.FileInfo, err error) error {
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if path == dir {
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return nil
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}
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if strings.Contains(path, ".sha256") {
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return nil
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}
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if err := shaFile(path); err != nil {
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log.Printf("Failed to create sha file. error: %v\n", err)
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}
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return nil
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})
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}
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func shaFile(file string) error {
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// Ignore gosec G304 as this function is only used in the build process.
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//nolint:gosec
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r, err := os.Open(file)
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if err != nil {
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return err
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}
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defer logAndClose(r)
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h := sha256.New()
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_, err = io.Copy(h, r)
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if err != nil {
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return err
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}
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// Ignore gosec G304 as this function is only used in the build process.
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//nolint:gosec
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out, err := os.Create(file + ".sha256")
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if err != nil {
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return err
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}
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_, err = fmt.Fprintf(out, "%x\n", h.Sum(nil))
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if err != nil {
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return err
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}
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return out.Close()
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}
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func md5File(file string) error {
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// Ignore gosec G304 as this function is only used in the build process.
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//nolint:gosec
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fd, err := os.Open(file)
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if err != nil {
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return err
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}
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defer logAndClose(fd)
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h := md5.New()
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_, err = io.Copy(h, fd)
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if err != nil {
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return err
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}
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// Ignore gosec G304 as this function is only used in the build process.
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//nolint:gosec
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out, err := os.Create(file + ".md5")
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if err != nil {
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return err
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}
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_, err = fmt.Fprintf(out, "%x\n", h.Sum(nil))
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if err != nil {
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return err
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}
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return out.Close()
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}
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// basically `rm -r`s the list of files provided
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func rmr(paths ...string) {
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for _, path := range paths {
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log.Println("rm -r", path)
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if err := os.RemoveAll(path); err != nil {
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log.Println("error deleting folder", path, "error:", err)
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}
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}
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}
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