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Manual: update appendix on nar production/consumption #3184

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Manual: update appendix on nar production/consumption #3184

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bhipple
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@bhipple bhipple commented Oct 31, 2019

The NAR produced by --export seems to work juts as well as the NAR produced by
--dump, except that it can also be safely imported into an existing nix
store and update the sqlite metadata. This commit changes the manual to
reference export/import by default.

See #3183 for a potential followup pending discussion.

@bhipple
Manual: update appendix on nar produciton/consumption
332467c 
The NAR produced by `--export` seems to work juts as well as the NAR produced by
`--dump`, except that it can *also* be safely imported into an existing nix
store and update the sqlite metadata. This commit changes the manual to
reference export/import by default.

See NixOS#3183 for a potential followup pending discussion.
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bhipple commented Oct 31, 2019

Best I can tell, the --dump NAR is just an inferior version of the --export NAR, since the registration files for sqlite are plain-text and don't take up much space, e.g.:

$ nix-store --dump /nix/store/00crivbbz9skpjrjixaf7bczj02ihfza-sqlite-3.28.0/ > dump.nar
$ nix-store --export /nix/store/00crivbbz9skpjrjixaf7bczj02ihfza-sqlite-3.28.0/ > export.nar
$ ls -lh *.nar
-rw-r--r-- 1 bhipple users 1.2M Oct 31 07:15 dump.nar
-rw-r--r-- 1 bhipple users 1.2M Oct 31 07:15 export.nar

@bhipple bhipple changed the title Manual: update appendix on nar produciton/consumption Manual: update appendix on nar production/consumption Oct 31, 2019
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zimbatm commented Nov 4, 2019

related: #3183 (comment)

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stale bot commented Feb 13, 2021

I marked this as stale due to inactivity. → More info

@stale stale bot added the stale label Feb 13, 2021
@bhipple bhipple closed this Feb 13, 2021
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