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|
package main
import (
"bytes"
"fmt"
"io/fs"
"os"
"os/exec"
"path/filepath"
"regexp"
"github.com/pkg/errors"
)
func main() {
re := regexp.MustCompile("(?s)<!---GENERATE_START (.*?)-->(.*?)<!---GENERATE_END-->\n")
err := filepath.Walk("./docs", func(path string, stat fs.FileInfo, err error) error {
if err != nil {
return err
}
if stat.IsDir() {
return nil
}
if filepath.Ext(path) != ".md" {
return nil
}
data, err := os.ReadFile(path)
if err != nil {
return err
}
dataNew := re.ReplaceAllFunc(data, func(match []byte) []byte {
groups := re.FindStringSubmatch(string(match))
stdout := bytes.NewBuffer(nil)
fmt.Fprintf(stdout, "<!---GENERATE_START %s-->\n", groups[1])
fmt.Fprintf(stdout, "```\n")
cmd := exec.Cmd{
Path: "/bin/sh",
Args: []string{"sh", "-c", groups[1]},
Stdout: stdout,
}
err = cmd.Start()
if err != nil {
err = errors.Wrapf(err, "could not start command %s", groups[1])
return nil
}
err = cmd.Wait()
if err != nil {
err = errors.Wrapf(err, "could not run command %s", groups[1])
return nil
}
fmt.Fprintf(stdout, "```\n")
fmt.Fprintf(stdout, "<!---GENERATE_END-->\n")
return stdout.Bytes()
})
if err != nil {
return err
}
if !bytes.Equal(data, dataNew) {
fmt.Println(path)
if err := os.WriteFile(path, dataNew, stat.Mode()); err != nil {
return err
}
}
return nil
})
if err != nil {
fmt.Println(err)
os.Exit(1)
}
}
|
