Nix Cookbook: Difference between revisions
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Let's dissect this: | Let's dissect this: | ||
< | <syntaxhighlight lang="sh" line="1"> | ||
## instantiate bochs into `.drv` files and print the filenames; | ## instantiate bochs into `.drv` files and print the filenames; | ||
instantiate=$(nix-instantiate '<nixpkgs>' -A bochs) | instantiate=$(nix-instantiate '<nixpkgs>' -A bochs) | ||
## print all references/requirements, filtering the .drv files (which is where static derivations live) | ## print all references/requirements, filtering the .drv files (which is where static derivations live) | ||
requirements=$(nix-store -qR $ | requirements=$(nix-store -qR $instantiate | grep '.drv$') | ||
## keep only the source derivations, since those will have a predefined hash of the output | ## keep only the source derivations, since those will have a predefined hash of the output | ||
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## realize those derivations, downloading all sources and storing them in the nix store | ## realize those derivations, downloading all sources and storing them in the nix store | ||
nix-store -r $sources | nix-store -r $sources | ||
</ | </syntaxhighlight> | ||
After that, all sources will be locally stored! | After that, all sources will be locally stored! | ||