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29 lines
622 B
JavaScript
29 lines
622 B
JavaScript
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module.exports = link
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link.ifExists = linkIfExists
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var fs = require("./graceful-fs")
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, chain = require("./chain")
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, mkdir = require("./mkdir-p")
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, rm = require("./rm-rf")
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, log = require("./log")
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, path = require("path")
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, relativize = require("./relativize")
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function linkIfExists (from, to, cb) {
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fs.stat(from, function (er) {
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if (er) return cb()
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link(from, to, cb)
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})
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}
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function link (from, to, cb) {
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chain
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( [fs, "stat", from]
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, [rm, to]
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, [mkdir, path.dirname(to)]
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, [fs, "symlink", relativize(from, to), to]
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, log.er(cb, "linking "+from+" to "+to, "failed")
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)
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}
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