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main.go
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main.go
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package main
import (
"fmt"
"io/fs"
"os"
"os/exec"
"path"
"runtime"
)
func handle(in chan string, out chan any, lim chan struct{}) {
lim <- struct{}{}
d := <-in
run(d, out)
<-lim
}
func main() {
var matches, err = (fs.Glob(os.DirFS("./"), "./*/go.mod"))
if err != nil {
fmt.Println(err)
return
}
var MAXREQS = runtime.NumCPU()
var lim = make(chan struct{}, MAXREQS)
out := make(chan any, len(matches))
in := make(chan string, len(matches))
for range matches {
go handle(in, out, lim)
}
for _, m := range matches {
in <- m
}
for range matches {
var b = <-out
if nil != b {
panic(b)
}
}
}
func run(m string, out chan any) {
defer func() {
var e = recover()
if e != nil {
out <- e
return
}
out <- nil
}()
cmd := exec.Command("go", "test", "-v")
cmd.Dir = "./" + path.Dir(m)
fmt.Println(cmd.Dir, cmd)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
var err = cmd.Run()
if err != nil {
panic(err)
}
}