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Add nix store import and nix store export commands to work with nar/narinfo #9038

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fricklerhandwerk opened this issue Sep 25, 2023 · 1 comment · May be fixed by #9474
Open

Add nix store import and nix store export commands to work with nar/narinfo #9038

fricklerhandwerk opened this issue Sep 25, 2023 · 1 comment · May be fixed by #9474
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feature Feature request or proposal new-cli Relating to the "nix" command
Milestone
nix-command stabi...

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@fricklerhandwerk
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fricklerhandwerk commented Sep 25, 2023 •
edited by roberth
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This is part of the CLI stabilisation effort.

Description

The commands should convert between store objects and nar/narinfo .
Since we're not settled on a format, require passing a format flag. This allows to add more formats later and set a default once we're confident this something that can be supported in the long term.

Warning

The current export format does not support CA and is not extensible.

Example

$ nix store export <store path> --format tar
# ... tar stream with nar and narinfo files
$ nix store import <path>...
/nix/store/<hash>-<name>
# more paths

TODO: Clarify CLI guideline in terms of reading from stdin

Context

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@fricklerhandwerk fricklerhandwerk added feature Feature request or proposal new-cli Relating to the "nix" command labels Sep 25, 2023
@fricklerhandwerk fricklerhandwerk mentioned this issue Sep 25, 2023
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This issue has been mentioned on NixOS Discourse. There might be relevant details there:

https://discourse.nixos.org/t/2023-09-25-nix-team-meeting-minutes-89/33489/1

@thufschmitt thufschmitt linked a pull request Nov 27, 2023 that will close this issue
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thufschmitt pushed a commit to tweag/nix that referenced this issue Nov 27, 2023
Add a nix store import and nix store export commands
f53a23c 
Fix NixOS#9038

The only thing that the issue didn't precise is how we should call the
current (`nix-store --export`) format[^1]. I've settled to `binary` by lack
of something better.

[^1]: The issue mentions `--format tar`, but this is whishful thinking
for the future, the current format isn't `tar`-based at all.
thufschmitt pushed a commit to tweag/nix that referenced this issue Nov 27, 2023
Add a nix store import and nix store export commands
1a3c322 
Fix NixOS#9038

The only thing that the issue didn't precise is how we should call the
current (`nix-store --export`) format[^1]. I've settled to `binary` by lack
of something better.

[^1]: The issue mentions `--format tar`, but this is whishful thinking
for the future, the current format isn't `tar`-based at all.
@thufschmitt thufschmitt added this to the CLI Stabilisation milestone Dec 20, 2023
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Labels
feature Feature request or proposal new-cli Relating to the "nix" command
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Nix implementation board
Status: Defined work
Milestone
nix-command stabilisation
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Successfully merging a pull request may close this issue.

Add nix store import and nix store export commands tweag/nix
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@fricklerhandwerk @thufschmitt @nixos-discourse