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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
tree55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/cacache/lib/content/path.js
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Diffstat (limited to 'node_modules/cacache/lib/content/path.js')
-rw-r--r--node_modules/cacache/lib/content/path.js29
1 files changed, 29 insertions, 0 deletions
diff --git a/node_modules/cacache/lib/content/path.js b/node_modules/cacache/lib/content/path.js
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+++ b/node_modules/cacache/lib/content/path.js
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+'use strict'
+
+const contentVer = require('../../package.json')['cache-version'].content
+const hashToSegments = require('../util/hash-to-segments')
+const path = require('path')
+const ssri = require('ssri')
+
+// Current format of content file path:
+//
+// sha512-BaSE64Hex= ->
+// ~/.my-cache/content-v2/sha512/ba/da/55deadbeefc0ffee
+//
+module.exports = contentPath
+
+function contentPath (cache, integrity) {
+ const sri = ssri.parse(integrity, { single: true })
+ // contentPath is the *strongest* algo given
+ return path.join(
+ contentDir(cache),
+ sri.algorithm,
+ ...hashToSegments(sri.hexDigest())
+ )
+}
+
+module.exports.contentDir = contentDir
+
+function contentDir (cache) {
+ return path.join(cache, `content-v${contentVer}`)
+}