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package main
import (
"flag"
"fmt"
"io/ioutil"
"net/http"
"os"
"os/exec"
"strings"
)
// get branchmap of mercurial repository served over http
func branchmap(repository string) (branches map[string]string, err error) {
resp, err := http.Get(repository + "/?cmd=branchmap")
if err != nil {
return
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
branches = make(map[string]string)
for _, line := range strings.Split(string(body), "\n") {
a := strings.Split(line, " ")
branches[a[0]] = a[1]
}
return
}
func poi(executable string) (version string, err error) {
cmd := exec.Command(executable, "--version")
// wait for complete
err = cmd.Wait()
// return output
output, err := cmd.Output()
v := strings.Split(string(output), "-")
version = v[len(v)-1]
return
}
func main() {
helpFlag := flag.Bool("help", false, "Show help information")
verboseFlag := flag.Bool("verbose", false, "Print more information")
execFlag := flag.String("exec", "poi", "Executable path")
repoFlag := flag.String("repo", "https://neueland.iserlohn-fortress.net/smolbote.hg", "Repository path")
flag.Parse()
// help flag --> show usage and exit
if *helpFlag {
fmt.Println("Usage:")
flag.PrintDefaults()
os.Exit(0)
}
fmt.Println("Getting poi --version")
poi_version, err := poi(*execFlag)
if err != nil {
fmt.Println("error:", err)
}
fmt.Println(poi_version)
// get branchmap
fmt.Println("Getting branchmap...")
if *verboseFlag {
fmt.Println("for repository", *repoFlag)
}
branches, err := branchmap(*repoFlag)
if err != nil {
fmt.Println("Error getting branchmap:", err)
os.Exit(1)
}
for branch, commit := range branches {
fmt.Println("-", branch, ":", commit[0:len(poi_version)-1])
}
}
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