public static ReadOnlyMemory <KeyValuePair <string, string> > MergeExtraEnvVarsWithProcess(
IReadOnlyCollection <KeyValuePair <string, string> > extraEnvVars)
{
Debug.Assert(extraEnvVars.Count != 0, "This case should fall into 'UseCustomEnvironmentVariables = false'.");
var processEnvVars = Environment.GetEnvironmentVariables();
var builder = SortedEnvironmentVariableListBuilder.CreateFromProcess(processEnvVars.Count + extraEnvVars.Count, processEnvVars);
builder.InsertOrRemoveRange(extraEnvVars);
return(builder.Build());
}
internal static ReadOnlyMemory <KeyValuePair <string, string> > SortExtraEnvVars(
IReadOnlyCollection <KeyValuePair <string, string> > extraEnvVars)
{
if (extraEnvVars.Count == 0)
{
return(Array.Empty <KeyValuePair <string, string> >());
}
var builder = SortedEnvironmentVariableListBuilder.Create(extraEnvVars.Count);
builder.InsertOrRemoveRange(extraEnvVars);
return(builder.Build());
}
public static ReadOnlyMemory <KeyValuePair <string, string> > MergeExtraEnvVarsWithContext(
ReadOnlyMemory <KeyValuePair <string, string> > contextEnvVars,
IReadOnlyCollection <KeyValuePair <string, string> > extraEnvVars)
{
if (extraEnvVars.Count == 0)
{
// PERF: Use the values from the context as is.
return(contextEnvVars);
}
var builder = SortedEnvironmentVariableListBuilder.CreateFromContext(contextEnvVars.Length + extraEnvVars.Count, contextEnvVars);
builder.InsertOrRemoveRange(extraEnvVars);
return(builder.Build());
}
