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To reproduce a profile bit-for-bit, we need two pieces of information:
Indeed, manifests alone might not be enough: different Guix versions (or different channels) can produce different outputs for a given manifest.
You can output the Guix channel specification with ‘guix describe --format=channels’ (veja Invoking guix describe em GNU Guix Reference Manual). Save this to a file, say ‘channel-specs.scm’.
On another computer, you can use the channel specification file and the manifest to reproduce the exact same profile:
GUIX_EXTRA_PROFILES=$HOME/.guix-extra-profiles GUIX_EXTRA=$HOME/.guix-extra mkdir -p "$GUIX_EXTRA"/my-project guix pull --channels=channel-specs.scm --profile="$GUIX_EXTRA/my-project/guix" mkdir -p "$GUIX_EXTRA_PROFILES/my-project" "$GUIX_EXTRA"/my-project/guix/bin/guix package \ --manifest=/path/to/guix-my-project-manifest.scm \ --profile="$GUIX_EXTRA_PROFILES"/my-project/my-project
It’s safe to delete the Guix channel profile you’ve just installed with the channel specification, the project profile does not depend on it.