54 lines
2.3 KiB
JavaScript
54 lines
2.3 KiB
JavaScript
'use strict'
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/* Copyright (c) 2002-2022 the original author or authors.
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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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*
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* https://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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*/
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const { promises: fsp } = require('fs')
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const ospath = require('path')
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/**
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* Rewrites local content sources to support the use of linked worktrees.
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*
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* @author Dan Allen <dan@opendevise.com>
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*/
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module.exports.register = function () {
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this.once('playbookBuilt', async ({ playbook }) => {
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const expandPath = this.require('@antora/expand-path-helper')
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for (const contentSource of playbook.content.sources) {
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const { url, branches } = contentSource
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if (url.charAt() !== '.') continue
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const absdir = expandPath(url, { dot: playbook.dir })
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const gitfile = ospath.join(absdir, '.git')
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if (await fsp.stat(gitfile).then((stat) => !stat.isDirectory(), () => false)) {
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const worktreeGitdir = await fsp.readFile(gitfile, 'utf8')
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.then((contents) => contents.trimRight().substr(8))
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const worktreeBranch = await fsp.readFile(ospath.join(worktreeGitdir, 'HEAD'), 'utf8')
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.then((contents) => contents.trimRight().replace(/^ref: (?:refs\/heads\/)?/, ''))
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const reldir = ospath.relative(
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playbook.dir,
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await fsp.readFile(ospath.join(worktreeGitdir, 'commondir'), 'utf8')
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.then((contents) => {
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const gitdir = ospath.join(worktreeGitdir, contents.trimRight())
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return ospath.basename(gitdir) === '.git' ? ospath.dirname(gitdir) : gitdir
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})
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)
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contentSource.url = reldir ? `.${ospath.sep}${reldir}` : '.'
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if (!branches) continue
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contentSource.branches = (branches.constructor === Array ? branches : [branches])
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.map((pattern) => pattern.replaceAll('HEAD', worktreeBranch))
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}
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}
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})
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}
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