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59 lines
1.5 KiB
Markdown
59 lines
1.5 KiB
Markdown
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R""(
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# Examples
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* Copy Firefox from the local store to a binary cache in `/tmp/cache`:
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```console
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# nix copy --to file:///tmp/cache $(type -p firefox)
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```
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Note the `file://` - without this, the destination is a chroot
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store, not a binary cache.
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* Copy the entire current NixOS system closure to another machine via
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SSH:
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```console
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# nix copy -s --to ssh://server /run/current-system
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```
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The `-s` flag causes the remote machine to try to substitute missing
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store paths, which may be faster if the link between the local and
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remote machines is slower than the link between the remote machine
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and its substituters (e.g. `https://cache.nixos.org`).
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* Copy a closure from another machine via SSH:
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```console
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# nix copy --from ssh://server /nix/store/a6cnl93nk1wxnq84brbbwr6hxw9gp2w9-blender-2.79-rc2
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```
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* Copy Hello to a binary cache in an Amazon S3 bucket:
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```console
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# nix copy --to s3://my-bucket?region=eu-west-1 nixpkgs#hello
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```
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or to an S3-compatible storage system:
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```console
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# nix copy --to s3://my-bucket?region=eu-west-1&endpoint=example.com nixpkgs#hello
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```
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Note that this only works if Nix is built with AWS support.
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* Copy a closure from `/nix/store` to the chroot store `/tmp/nix/nix/store`:
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```console
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# nix copy --to /tmp/nix nixpkgs#hello --no-check-sigs
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```
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# Description
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`nix copy` copies store path closures between two Nix stores. The
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source store is specified using `--from` and the destination using
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`--to`. If one of these is omitted, it defaults to the local store.
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)""
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