Checksum error An error occurred while updating the package checksum.
pkg: Git checkout initial protocol failed;
the given URL might not refer to a Git repository
given URL: https://github.com/.git
context...:
/home/pkgserver/racket/collects/pkg/private/stage.rkt:762:25
/home/pkgserver/racket/collects/net/git-checkout.rkt:339:3: for-loop
/home/pkgserver/racket/collects/net/git-checkout.rkt:336:0: parse-initial-refs
/home/pkgserver/racket/collects/net/git-checkout.rkt:73:8
/home/pkgserver/racket/collects/net/git-checkout.rkt:54:2: retry-loop
/home/pkgserver/racket/collects/racket/private/more-scheme.rkt:261:28
/home/pkgserver/racket/collects/racket/private/list.rkt:264:4: loop
/home/pkgserver/pkg-index/official/update.rkt:155:0: do-update!
/home/pkgserver/pkg-index/official/common.rkt:147:0: run!
/home/pkgserver/pkg-index/official/update.rkt:172:22