+async function getServerCommit () {
+ try {
+ const tag = await execPromise2(
+ '[ ! -d .git ] || git name-rev --name-only --tags --no-undefined HEAD 2>/dev/null || true',
+ { stdio: [ 0, 1, 2 ] }
+ )
+
+ if (tag) return tag.replace(/^v/, '')
+ } catch (err) {
+ logger.debug('Cannot get version from git tags.', { err })
+ }
+
+ try {
+ const version = await execPromise('[ ! -d .git ] || git rev-parse --short HEAD')
+
+ if (version) return version.toString().trim()
+ } catch (err) {
+ logger.debug('Cannot get version from git HEAD.', { err })
+ }
+
+ return ''
+}
+
+/**
+ * From a filename like "ede4cba5-742b-46fa-a388-9a6eb3a3aeb3.mp4", returns
+ * only the "ede4cba5-742b-46fa-a388-9a6eb3a3aeb3" part. If the filename does
+ * not contain a UUID, returns null.
+ */
+function getUUIDFromFilename (filename: string) {
+ const regex = /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/
+ const result = filename.match(regex)
+
+ if (!result || Array.isArray(result) === false) return null
+
+ return result[0]
+}
+