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moby--moby/runconfig/compare.go

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package runconfig
// Compare two Config struct. Do not compare the "Image" nor "Hostname" fields
// If OpenStdin is set, then it differs
func Compare(a, b *Config) bool {
if a == nil || b == nil ||
a.OpenStdin || b.OpenStdin {
return false
}
if a.AttachStdout != b.AttachStdout ||
a.AttachStderr != b.AttachStderr ||
a.User != b.User ||
a.Memory != b.Memory ||
a.MemorySwap != b.MemorySwap ||
a.CpuShares != b.CpuShares ||
a.OpenStdin != b.OpenStdin ||
a.Tty != b.Tty ||
a.VolumesFrom != b.VolumesFrom {
return false
}
if len(a.Cmd) != len(b.Cmd) ||
len(a.Dns) != len(b.Dns) ||
len(a.DnsSearch) != len(b.DnsSearch) ||
len(a.Env) != len(b.Env) ||
len(a.PortSpecs) != len(b.PortSpecs) ||
len(a.ExposedPorts) != len(b.ExposedPorts) ||
len(a.Entrypoint) != len(b.Entrypoint) ||
len(a.Volumes) != len(b.Volumes) {
return false
}
for i := 0; i < len(a.Cmd); i++ {
if a.Cmd[i] != b.Cmd[i] {
return false
}
}
for i := 0; i < len(a.Dns); i++ {
if a.Dns[i] != b.Dns[i] {
return false
}
}
for i := 0; i < len(a.DnsSearch); i++ {
if a.DnsSearch[i] != b.DnsSearch[i] {
return false
}
}
for i := 0; i < len(a.Env); i++ {
if a.Env[i] != b.Env[i] {
return false
}
}
for i := 0; i < len(a.PortSpecs); i++ {
if a.PortSpecs[i] != b.PortSpecs[i] {
return false
}
}
for k := range a.ExposedPorts {
if _, exists := b.ExposedPorts[k]; !exists {
return false
}
}
for i := 0; i < len(a.Entrypoint); i++ {
if a.Entrypoint[i] != b.Entrypoint[i] {
return false
}
}
for key := range a.Volumes {
if _, exists := b.Volumes[key]; !exists {
return false
}
}
return true
}