58 lines
1.7 KiB
Go
58 lines
1.7 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package config
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import (
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"os"
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"runtime"
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"strconv"
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"strings"
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)
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// GetNumWorkerMultiplier returns the base value used to calculate the number
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// of workers to use for Hugo's parallel execution.
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// It returns the value in HUGO_NUMWORKERMULTIPLIER OS env variable if set to a
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// positive integer, else the number of logical CPUs.
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func GetNumWorkerMultiplier() int {
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if gmp := os.Getenv("HUGO_NUMWORKERMULTIPLIER"); gmp != "" {
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if p, err := strconv.Atoi(gmp); err == nil && p > 0 {
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return p
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}
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}
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return runtime.NumCPU()
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}
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// SetEnvVars sets vars on the form key=value in the oldVars slice.
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func SetEnvVars(oldVars *[]string, keyValues ...string) {
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for i := 0; i < len(keyValues); i += 2 {
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setEnvVar(oldVars, keyValues[i], keyValues[i+1])
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}
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}
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func SplitEnvVar(v string) (string, string) {
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parts := strings.SplitN(v, "=", 2)
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return parts[0], parts[1]
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}
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func setEnvVar(vars *[]string, key, value string) {
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for i := range *vars {
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if strings.HasPrefix((*vars)[i], key+"=") {
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(*vars)[i] = key + "=" + value
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return
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}
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}
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// New var.
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*vars = append(*vars, key+"="+value)
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}
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