isaacs/npm — comment on commit d753758a8d1d1525b8cb879c8de4674abb8d6975
File:  line 0
By clvv:

```sh
url="$(curl -SsL --cacert "$cacert" https://registry.npmjs.org/npm/$t)"
url="${url#*tarball\":\"}"
url="${url%%\"*}"
```