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package main
import (
"fmt"
"net/url"
"os"
)
func logDebug(format string, v ...interface{}) {
// Unless the debug flag is specified, discard logs.
if *flagDebug {
fmt.Printf(format+"\n", v...)
}
}
// exists returns whether the given file or directory exists or not
func exists(path string) bool {
_, err := os.Stat(path)
if err == nil {
return true
}
if os.IsNotExist(err) {
return false
}
panic(err)
}
func assert(cond bool, msg string) {
if !cond {
panic(msg)
}
}
func isRemote(filename string) bool {
u, err := url.Parse(filename)
check(err)
return u.IsAbs()
}
func check(e error) {
if e != nil {
panic(e)
}
}
func exitOnError(err error) {
if err != nil {
os.Stderr.WriteString(err.Error())
os.Exit(1)
}
}
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