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package main
import (
"errors"
"fmt"
"os"
"os/exec"
"strings"
)
func die(msg string, args ...any) {
fmt.Fprint(os.Stderr, "Error: ")
fmt.Fprintf(os.Stderr, msg, args...)
fmt.Fprint(os.Stderr, "\n")
os.Exit(1)
}
func main() {
if len(os.Args) != 3 {
die("expected 2 arguments [path, operation], got %d", len(os.Args)-1)
}
path := strings.TrimPrefix(strings.TrimSuffix(os.Args[1], ".git"), "/")
operation := os.Args[2]
if operation != "download" && operation != "upload" {
die("expected operation to be in {upload, download}, got %s", operation)
}
user := os.Getenv("GL_USER")
if user == "" {
die("expected Gitolite user env (GL_USER) to be set")
}
gitolitePerm := "R"
if operation == "upload" {
gitolitePerm = "W"
}
// gitolite access -q: returns only exit code
cmd := exec.Command("gitolite", "access", "-q", path, user, gitolitePerm)
err := cmd.Run()
permGranted := err == nil
var exitErr *exec.ExitError
if err != nil && !errors.As(err, &exitErr) {
die("failed to query Gitolite access information")
}
}
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