mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-07 20:30:36 -05:00
136 lines
3.4 KiB
Go
136 lines
3.4 KiB
Go
// Copyright 2015 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 helpers
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import (
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"fmt"
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"strings"
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"github.com/spf13/cast"
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)
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// HugoVersion represents the Hugo build version.
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type HugoVersion struct {
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// Major and minor version.
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Number float32
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// Increment this for bug releases
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PatchLevel int
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// HugoVersionSuffix is the suffix used in the Hugo version string.
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// It will be blank for release versions.
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Suffix string
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}
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func (v HugoVersion) String() string {
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return hugoVersion(v.Number, v.PatchLevel, v.Suffix)
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}
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// ReleaseVersion represents the release version.
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func (v HugoVersion) ReleaseVersion() HugoVersion {
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v.Suffix = ""
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return v
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}
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// Next returns the next Hugo release version.
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func (v HugoVersion) Next() HugoVersion {
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return HugoVersion{Number: v.Number + 0.01}
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}
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// Pre returns the previous Hugo release version.
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func (v HugoVersion) Prev() HugoVersion {
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return HugoVersion{Number: v.Number - 0.01}
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}
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// NextPatchLevel returns the next patch/bugfix Hugo version.
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// This will be a patch increment on the previous Hugo version.
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func (v HugoVersion) NextPatchLevel(level int) HugoVersion {
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return HugoVersion{Number: v.Number - 0.01, PatchLevel: level}
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}
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// CurrentHugoVersion represents the current build version.
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// This should be the only one.
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var CurrentHugoVersion = HugoVersion{
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Number: 0.21,
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PatchLevel: 0,
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Suffix: "",
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}
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func hugoVersion(version float32, patchVersion int, suffix string) string {
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if patchVersion > 0 {
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return fmt.Sprintf("%.2f.%d%s", version, patchVersion, suffix)
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}
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return fmt.Sprintf("%.2f%s", version, suffix)
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}
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// CompareVersion compares the given version string or number against the
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// running Hugo version.
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// It returns -1 if the given version is less than, 0 if equal and 1 if greater than
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// the running version.
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func CompareVersion(version interface{}) int {
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return compareVersions(CurrentHugoVersion.Number, CurrentHugoVersion.PatchLevel, version)
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}
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func compareVersions(inVersion float32, inPatchVersion int, in interface{}) int {
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switch d := in.(type) {
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case float64:
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return compareFloatVersions(inVersion, float32(d))
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case float32:
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return compareFloatVersions(inVersion, d)
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case int:
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return compareFloatVersions(inVersion, float32(d))
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case int32:
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return compareFloatVersions(inVersion, float32(d))
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case int64:
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return compareFloatVersions(inVersion, float32(d))
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default:
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s, err := cast.ToStringE(in)
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if err != nil {
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return -1
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}
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var (
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v float32
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p int
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)
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if strings.Count(s, ".") == 2 {
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li := strings.LastIndex(s, ".")
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p = cast.ToInt(s[li+1:])
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s = s[:li]
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}
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v = float32(cast.ToFloat64(s))
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if v == inVersion && p == inPatchVersion {
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return 0
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}
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if v < inVersion || (v == inVersion && p < inPatchVersion) {
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return -1
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}
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return 1
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}
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}
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func compareFloatVersions(version float32, v float32) int {
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if v == version {
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return 0
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}
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if v < version {
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return -1
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}
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return 1
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}
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