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import { exec } from 'child_process'
// Q: Why does Next.js need a project ID? Why is it looking at my git remote?
// A:
// Next.js' telemetry is and always will be completely anonymous. Because of
// this, we need a way to differentiate different projects to track feature
// usage accurately. For example, to prevent a feature from appearing to be
// constantly `used` and then `unused` when switching between local projects.
// To reiterate,
// we **never** can read your actual git remote. The value is hashed one-way
// with random salt data, making it impossible for us to reverse or try to
// guess the remote by re-computing hashes.
async function _getProjectIdByGit() {
try {
let resolve: (value: Buffer | string) => void, reject: (err: Error) => void
const promise = new Promise<Buffer | string>((res, rej) => {
resolve = res
reject = rej
})
exec(
`git config --local --get remote.origin.url`,
{
timeout: 1000,
windowsHide: true,
},
(error: null | Error, stdout: Buffer | string) => {
if (error) {
reject(error)
return
}
resolve(stdout)
}
)
return String(await promise).trim()
} catch (_) {
return null
}
}
export async function getRawProjectId(): Promise<string> {
return (
(await _getProjectIdByGit()) || process.env.REPOSITORY_URL || process.cwd()
)
}
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