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nix/doc/manual/source/command-ref/nix-env/set.md
John Ericson eb7d7780b1 Rename doc/manual{src -> source} 
This is needed to avoid this
https://github.com/mesonbuild/meson/issues/13774 when we go back to
making our subproject directory `src`.
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Name

nix-env --set - set profile to contain a specified derivation

Synopsis

nix-env --set drvname

Description

The --set operation modifies the current generation of a profile so that it contains exactly the specified derivation, and nothing else.

{{#include ./opt-common.md}}

{{#include ../opt-common.md}}

{{#include ./env-common.md}}

{{#include ../env-common.md}}

Examples

The following updates a profile such that its current generation will contain just Firefox:

$ nix-env --profile /nix/var/nix/profiles/browser --set firefox