forked from lix-project/lix
Add 'nix profile' manpage
This commit is contained in:
Eelco Dolstra
parent
0c09f63de8
commit
16e34085e8
28
src/nix/profile-diff-closures.md
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28
src/nix/profile-diff-closures.md
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@ -0,0 +1,28 @@
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R""(
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# Examples
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* Show what changed between each version of the NixOS system
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profile:
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```console
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# nix profile diff-closures --profile /nix/var/nix/profiles/system
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Version 13 -> 14:
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acpi-call: 2020-04-07-5.8.13 → 2020-04-07-5.8.14
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aws-sdk-cpp: -6723.1 KiB
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…
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Version 14 -> 15:
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acpi-call: 2020-04-07-5.8.14 → 2020-04-07-5.8.16
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attica: -996.2 KiB
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breeze-icons: -78713.5 KiB
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brotli: 1.0.7 → 1.0.9, +44.2 KiB
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```
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# Description
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This command shows the difference between the closures of subsequent
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versions of a profile. See [`nix store
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diff-closures`](nix3-store-diff-closures.md) for details.
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)""
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31
src/nix/profile-info.md
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31
src/nix/profile-info.md
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@ -0,0 +1,31 @@
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R""(
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# Examples
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* Show what packages are installed in the default profile:
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```console
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# nix profile info
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0 flake:nixpkgs#legacyPackages.x86_64-linux.spotify github:NixOS/nixpkgs/c23db78bbd474c4d0c5c3c551877523b4a50db06#legacyPackages.x86_64-linux.spotify /nix/store/akpdsid105phbbvknjsdh7hl4v3fhjkr-spotify-1.1.46.916.g416cacf1
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1 flake:nixpkgs#legacyPackages.x86_64-linux.zoom-us github:NixOS/nixpkgs/c23db78bbd474c4d0c5c3c551877523b4a50db06#legacyPackages.x86_64-linux.zoom-us /nix/store/89pmjmbih5qpi7accgacd17ybpgp4xfm-zoom-us-5.4.53350.1027
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2 flake:blender-bin#defaultPackage.x86_64-linux github:edolstra/nix-warez/d09d7eea893dcb162e89bc67f6dc1ced14abfc27?dir=blender#defaultPackage.x86_64-linux /nix/store/zfgralhqjnam662kqsgq6isjw8lhrflz-blender-bin-2.91.0
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```
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# Description
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This command shows what packages are currently installed in a
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profile. The output consists of one line per package, with the
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following fields:
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* An integer that can be used to unambiguously identify the package in
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invocations of `nix profile remove` and `nix profile upgrade`.
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* The original ("mutable") flake reference and output attribute path
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used at installation time.
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* The immutable flake reference to which the mutable flake reference
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was resolved.
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* The store path(s) of the package.
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)""
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27
src/nix/profile-install.md
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27
src/nix/profile-install.md
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@ -0,0 +1,27 @@
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R""(
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# Examples
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* Install a package from Nixpkgs:
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```console
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# nix profile install nixpkgs#hello
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```
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* Install a package from a specific branch of Nixpkgs:
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```console
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# nix profile install nixpkgs/release-20.09#hello
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```
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* Install a package from a specific revision of Nixpkgs:
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```console
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# nix profile install nixpkgs/d73407e8e6002646acfdef0e39ace088bacc83da#hello
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```
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# Description
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This command adds *installables* to a Nix profile.
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)""
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32
src/nix/profile-remove.md
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32
src/nix/profile-remove.md
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@ -0,0 +1,32 @@
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R""(
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# Examples
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* Remove a package by position:
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```console
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# nix profile remove 3
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```
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* Remove a package by attribute path:
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```console
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# nix profile remove packages.x86_64-linux.hello
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```
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* Remove all packages:
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```console
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# nix profile remove '.*'
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```
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* Remove a package by store path:
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```console
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# nix profile remove /nix/store/rr3y0c6zyk7kjjl8y19s4lsrhn4aiq1z-hello-2.10
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```
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# Description
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This command removes a package from a profile.
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)""
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41
src/nix/profile-upgrade.md
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41
src/nix/profile-upgrade.md
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@ -0,0 +1,41 @@
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R""(
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# Examples
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* Upgrade all packages that were installed using a mutable flake
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reference:
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```console
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# nix profile upgrade '.*'
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```
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* Upgrade a specific package:
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```console
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# nix profile upgrade packages.x86_64-linux.hello
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```
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* Upgrade a specific profile element by number:
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```console
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# nix profile info
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0 flake:nixpkgs#legacyPackages.x86_64-linux.spotify …
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# nix profile upgrade 0
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```
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# Description
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This command upgrades a previously installed package in a Nix profile,
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by fetching and evaluating the latest version of the flake from which
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the package was installed.
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> **Warning**
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>
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> This only works if you used a *mutable* flake reference at
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> installation time, e.g. `nixpkgs#hello`. It does not work if you
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> used an *immutable* flake reference
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> (e.g. `github:NixOS/nixpkgs/13d0c311e3ae923a00f734b43fd1d35b47d8943a#hello`),
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> since in that case the "latest version" is always the same.
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)""
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@ -151,22 +151,11 @@ struct CmdProfileInstall : InstallablesCommand, MixDefaultProfile
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return "install a package into a profile";
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}
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Examples examples() override
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std::string doc() override
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{
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return {
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Example{
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"To install a package from Nixpkgs:",
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"nix profile install nixpkgs#hello"
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},
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Example{
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"To install a package from a specific branch of Nixpkgs:",
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"nix profile install nixpkgs/release-19.09#hello"
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},
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Example{
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"To install a package from a specific revision of Nixpkgs:",
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"nix profile install nixpkgs/1028bb33859f8dfad7f98e1c8d185f3d1aaa7340#hello"
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},
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};
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return
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#include "profile-install.md"
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;
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}
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void run(ref<Store> store) override
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@ -257,26 +246,11 @@ struct CmdProfileRemove : virtual EvalCommand, MixDefaultProfile, MixProfileElem
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return "remove packages from a profile";
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}
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Examples examples() override
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std::string doc() override
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{
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return {
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Example{
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"To remove a package by attribute path:",
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"nix profile remove packages.x86_64-linux.hello"
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},
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Example{
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"To remove all packages:",
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"nix profile remove '.*'"
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},
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Example{
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"To remove a package by store path:",
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"nix profile remove /nix/store/rr3y0c6zyk7kjjl8y19s4lsrhn4aiq1z-hello-2.10"
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},
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Example{
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"To remove a package by position:",
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"nix profile remove 3"
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},
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};
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return
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#include "profile-remove.md"
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;
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}
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void run(ref<Store> store) override
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@ -310,18 +284,11 @@ struct CmdProfileUpgrade : virtual SourceExprCommand, MixDefaultProfile, MixProf
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return "upgrade packages using their most recent flake";
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}
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Examples examples() override
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std::string doc() override
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{
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return {
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Example{
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"To upgrade all packages that were installed using a mutable flake reference:",
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"nix profile upgrade '.*'"
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},
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Example{
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"To upgrade a specific package:",
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"nix profile upgrade packages.x86_64-linux.hello"
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},
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};
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return
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#include "profile-upgrade.md"
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;
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}
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void run(ref<Store> store) override
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@ -377,14 +344,11 @@ struct CmdProfileInfo : virtual EvalCommand, virtual StoreCommand, MixDefaultPro
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return "list installed packages";
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}
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Examples examples() override
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std::string doc() override
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{
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return {
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Example{
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"To show what packages are installed in the default profile:",
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"nix profile info"
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},
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};
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return
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#include "profile-info.md"
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;
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}
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void run(ref<Store> store) override
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@ -405,17 +369,14 @@ struct CmdProfileDiffClosures : virtual StoreCommand, MixDefaultProfile
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{
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std::string description() override
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{
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return "show the closure difference between each generation of a profile";
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return "show the closure difference between each version of a profile";
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}
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Examples examples() override
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std::string doc() override
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{
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return {
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Example{
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"To show what changed between each generation of the NixOS system profile:",
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"nix profile diff-closures --profile /nix/var/nix/profiles/system"
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},
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};
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return
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#include "profile-diff-closures.md"
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;
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}
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void run(ref<Store> store) override
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@ -429,7 +390,7 @@ struct CmdProfileDiffClosures : virtual StoreCommand, MixDefaultProfile
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if (prevGen) {
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if (!first) std::cout << "\n";
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first = false;
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std::cout << fmt("Generation %d -> %d:\n", prevGen->number, gen.number);
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std::cout << fmt("Version %d -> %d:\n", prevGen->number, gen.number);
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printClosureDiff(store,
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store->followLinksToStorePath(prevGen->path),
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store->followLinksToStorePath(gen.path),
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@ -458,6 +419,13 @@ struct CmdProfile : NixMultiCommand
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return "manage Nix profiles";
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}
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std::string doc() override
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{
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return
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#include "profile.md"
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;
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}
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void run() override
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{
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if (!command)
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107
src/nix/profile.md
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107
src/nix/profile.md
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R""(
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# Description
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`nix profile` allows you to create and manage *Nix profiles*. A Nix
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profile is a set of packages that can be installed and upgraded
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independently from each other. Nix profiles are versioned, allowing
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them to be rolled back easily.
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# Default profile
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The default profile used by `nix profile` is `$HOME/.nix-profile`,
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which, if it does not exist, is created as a symlink to
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`/nix/var/nix/profiles/per-user/default` if Nix is invoked by the
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`root` user, or `/nix/var/nix/profiles/per-user/`*username* otherwise.
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You can specify another profile location using `--profile` *path*.
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# Filesystem layout
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Profiles are versioned as follows. When using profile *path*, *path*
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is a symlink to *path*`-`*N*, where *N* is the current *version* of
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the profile. In turn, *path*`-`*N* is a symlink to a path in the Nix
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store. For example:
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```console
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$ ls -l /nix/var/nix/profiles/per-user/alice/profile*
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lrwxrwxrwx 1 alice users 14 Nov 25 14:35 /nix/var/nix/profiles/per-user/alice/profile -> profile-7-link
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lrwxrwxrwx 1 alice users 51 Oct 28 16:18 /nix/var/nix/profiles/per-user/alice/profile-5-link -> /nix/store/q69xad13ghpf7ir87h0b2gd28lafjj1j-profile
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lrwxrwxrwx 1 alice users 51 Oct 29 13:20 /nix/var/nix/profiles/per-user/alice/profile-6-link -> /nix/store/6bvhpysd7vwz7k3b0pndn7ifi5xr32dg-profile
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lrwxrwxrwx 1 alice users 51 Nov 25 14:35 /nix/var/nix/profiles/per-user/alice/profile-7-link -> /nix/store/mp0x6xnsg0b8qhswy6riqvimai4gm677-profile
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```
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Each of these symlinks is a root for the Nix garbage collector.
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The contents of the store path corresponding to each version of the
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profile is a tree of symlinks to the files of the installed packages,
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e.g.
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```console
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$ ll -R /nix/var/nix/profiles/per-user/eelco/profile-7-link/
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/nix/var/nix/profiles/per-user/eelco/profile-7-link/:
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total 20
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dr-xr-xr-x 2 root root 4096 Jan 1 1970 bin
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-r--r--r-- 2 root root 1402 Jan 1 1970 manifest.json
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dr-xr-xr-x 4 root root 4096 Jan 1 1970 share
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/nix/var/nix/profiles/per-user/eelco/profile-7-link/bin:
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total 20
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lrwxrwxrwx 5 root root 79 Jan 1 1970 chromium -> /nix/store/ijm5k0zqisvkdwjkc77mb9qzb35xfi4m-chromium-86.0.4240.111/bin/chromium
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lrwxrwxrwx 7 root root 87 Jan 1 1970 spotify -> /nix/store/w9182874m1bl56smps3m5zjj36jhp3rn-spotify-1.1.26.501.gbe11e53b-15/bin/spotify
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lrwxrwxrwx 3 root root 79 Jan 1 1970 zoom-us -> /nix/store/wbhg2ga8f3h87s9h5k0slxk0m81m4cxl-zoom-us-5.3.469451.0927/bin/zoom-us
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/nix/var/nix/profiles/per-user/eelco/profile-7-link/share/applications:
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total 12
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lrwxrwxrwx 4 root root 120 Jan 1 1970 chromium-browser.desktop -> /nix/store/4cf803y4vzfm3gyk3vzhzb2327v0kl8a-chromium-unwrapped-86.0.4240.111/share/applications/chromium-browser.desktop
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lrwxrwxrwx 7 root root 110 Jan 1 1970 spotify.desktop -> /nix/store/w9182874m1bl56smps3m5zjj36jhp3rn-spotify-1.1.26.501.gbe11e53b-15/share/applications/spotify.desktop
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lrwxrwxrwx 3 root root 107 Jan 1 1970 us.zoom.Zoom.desktop -> /nix/store/wbhg2ga8f3h87s9h5k0slxk0m81m4cxl-zoom-us-5.3.469451.0927/share/applications/us.zoom.Zoom.desktop
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…
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```
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The file `manifest.json` records the provenance of the packages that
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are installed in this version of the profile. It looks like this:
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```json
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{
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"version": 1,
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"elements": [
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{
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"active": true,
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"attrPath": "legacyPackages.x86_64-linux.zoom-us",
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"originalUri": "flake:nixpkgs",
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"storePaths": [
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"/nix/store/wbhg2ga8f3h87s9h5k0slxk0m81m4cxl-zoom-us-5.3.469451.0927"
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],
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"uri": "github:NixOS/nixpkgs/13d0c311e3ae923a00f734b43fd1d35b47d8943a"
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},
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…
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]
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}
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```
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Each object in the array `elements` denotes an installed package and
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has the following fields:
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* `originalUri`: The [flake reference](./nix3-flake.md) specified by
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the user at the time of installation (e.g. `nixpkgs`). This is also
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the flake reference that will be used by `nix profile upgrade`.
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* `uri`: The immutable flake reference to which `originalUri`
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resolved.
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* `attrPath`: The flake output attribute that provided this
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package. Note that this is not necessarily the attribute that the
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user specified, but the one resulting from applying the default
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attribute paths and prefixes; for instance, `hello` might resolve to
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`packages.x86_64-linux.hello` and the empty string to
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`defaultPackage.x86_64-linux`.
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* `storePath`: The paths in the Nix store containing the package.
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* `active`: Whether the profile contains symlinks to the files of this
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package. If set to false, the package is kept in the Nix store, but
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is not "visible" in the profile's symlink tree.
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)""
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Loading…
Reference in a new issue