The command

./pre-inst-env guix-build hello

fails with

error: build failed: substituter `/usr/local/guix-git/libexec/nix/substituters/download-using-manifests.pl' failed: error: executing `/usr/local/guix-git/libexec/nix/substituters/download-using-manifests.pl': No such file or directory

We have by

find /usr/local/guix-git/libexec

/usr/local/guix-git/libexec

/usr/local/guix-git/libexec/guix

/usr/local/guix-git/libexec/guix/list-runtime-roots

Andreas