// LookupOption checks boolean flag with default (usually config) and command-line
// setting
func LookupOption(defaultValue bool, flags *flag.FlagSet, name string) (result bool) {
result = defaultValue
if flags.IsSet(name) {
result = flags.Lookup(name).Value.Get().(bool)
}
return
}
// NewContext initializes context with default settings
func NewContext(flags *flag.FlagSet) (*AptlyContext, error) {
var err error
context := &AptlyContext{
flags: flags,
globalFlags: flags,
dependencyOptions: -1,
publishedStorages: map[string]aptly.PublishedStorage{},
}
if aptly.EnableDebug {
cpuprofile := flags.Lookup("cpuprofile").Value.String()
if cpuprofile != "" {
context.fileCPUProfile, err = os.Create(cpuprofile)
if err != nil {
return nil, err
}
pprof.StartCPUProfile(context.fileCPUProfile)
}
memprofile := flags.Lookup("memprofile").Value.String()
if memprofile != "" {
context.fileMemProfile, err = os.Create(memprofile)
if err != nil {
return nil, err
}
}
memstats := flags.Lookup("memstats").Value.String()
if memstats != "" {
interval := flags.Lookup("meminterval").Value.Get().(time.Duration)
context.fileMemStats, err = os.Create(memstats)
if err != nil {
return nil, err
}
context.fileMemStats.WriteString("# Time\tHeapSys\tHeapAlloc\tHeapIdle\tHeapReleased\n")
go func() {
var stats runtime.MemStats
start := time.Now().UnixNano()
for {
runtime.ReadMemStats(&stats)
if context.fileMemStats != nil {
context.fileMemStats.WriteString(fmt.Sprintf("%d\t%d\t%d\t%d\t%d\n",
(time.Now().UnixNano()-start)/1000000, stats.HeapSys, stats.HeapAlloc, stats.HeapIdle, stats.HeapReleased))
time.Sleep(interval)
} else {
break
}
}
}()
}
}
return context, nil
}
func getVerifier(flags *flag.FlagSet) (utils.Verifier, error) {
if LookupOption(context.Config().GpgDisableVerify, flags, "ignore-signatures") {
return nil, nil
}
keyRings := flags.Lookup("keyring").Value.Get().([]string)
verifier := &utils.GpgVerifier{}
for _, keyRing := range keyRings {
verifier.AddKeyring(keyRing)
}
err := verifier.InitKeyring()
if err != nil {
return nil, err
}
return verifier, nil
}
func getSigner(flags *flag.FlagSet) (utils.Signer, error) {
if flags.Lookup("skip-signing").Value.Get().(bool) || context.Config().GpgDisableSign {
return nil, nil
}
signer := &utils.GpgSigner{}
signer.SetKey(flags.Lookup("gpg-key").Value.String())
signer.SetKeyRing(flags.Lookup("keyring").Value.String(), flags.Lookup("secret-keyring").Value.String())
err := signer.Init()
if err != nil {
return nil, err
}
return signer, nil
}
func getSigner(flags *flag.FlagSet) (utils.Signer, error) {
if LookupOption(context.Config().GpgDisableSign, flags, "skip-signing") {
return nil, nil
}
signer := &utils.GpgSigner{}
signer.SetKey(flags.Lookup("gpg-key").Value.String())
signer.SetKeyRing(flags.Lookup("keyring").Value.String(), flags.Lookup("secret-keyring").Value.String())
signer.SetPassphrase(flags.Lookup("passphrase").Value.String(), flags.Lookup("passphrase-file").Value.String())
signer.SetBatch(flags.Lookup("batch").Value.Get().(bool))
err := signer.Init()
if err != nil {
return nil, err
}
return signer, nil
}