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jfa-go/exit.go
Harvey Tindall b538922c05
Show log on log.Fatal calls, provide "sanitized" version, fix goreleaser
Sanitization means change anything in double quotes to "CENSORED". A
notice is included telling the user to check for themselves as well.
2021-06-11 23:28:21 +01:00

45 lines
1.3 KiB
Go

package main
import (
"html/template"
"log"
"os"
"path/filepath"
"time"
"github.com/pkg/browser"
)
// Exit dumps the last 100 lines of output to a crash file in /tmp (or equivalent), and generates a prettier HTML file containing it that is opened in the browser if possible.
func Exit(err interface{}) {
tmpl, err2 := template.ParseFS(localFS, "html/crash.html", "html/header.html")
if err2 != nil {
log.Fatalf("Failed to load template: %v", err)
}
logCache := lineCache.String()
sanitized := sanitizeLog(logCache)
data := map[string]interface{}{
"Log": logCache,
"SanitizedLog": sanitized,
}
if err != nil {
data["Err"] = err
}
fpath := filepath.Join(temp, "jfa-go-crash-"+time.Now().Local().Format("2006-01-02T15:04:05"))
err2 = os.WriteFile(fpath+".txt", []byte(logCache), 0666)
if err2 != nil {
log.Fatalf("Failed to write crash dump file: %v", err2)
}
log.Printf("\n------\nA crash report has been saved to \"%s\".\n------", fpath+".txt")
f, err2 := os.OpenFile(fpath+".html", os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0666)
if err2 != nil {
log.Fatalf("Failed to open crash dump file: %v", err2)
}
defer f.Close()
err2 = tmpl.Execute(f, data)
if err2 != nil {
log.Fatalf("Failed to execute template: %v", err2)
}
browser.OpenFile(fpath + ".html")
}