forked from lix-project/lix
Felix Uhl
Théophane Hufschmitt
parent
c762b65dc5
commit
c7dcdb8325
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@ -15,3 +15,17 @@
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- `nix-shell` shebang lines now support single-quoted arguments.
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- `builtins.fetchTree` is now marked as stable.
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- The interface for creating and updating lock files has been overhauled:
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- [`nix flake lock`](@docroot@/command-ref/new-cli/nix3-flake-lock.md) only creates lock files and adds missing inputs now.
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It will *never* update existing inputs.
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- [`nix flake update`](@docroot@/command-ref/new-cli/nix3-flake-update.md) does the same, but *will* update inputs.
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- Passing no arguments will update all inputs of the current flake, just like it already did.
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- Passing input names as arguments will ensure only those are updated. This replaces the functionality of `nix flake lock --update-input`
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- To operate on a flake outside the current directory, you must now pass `--flake path/to/flake`.
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- The flake-specific flags `--recreate-lock-file` and `--update-input` have been removed from all commands operating on installables.
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They are superceded by `nix flake update`.
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@ -326,6 +326,12 @@ struct MixEnvironment : virtual Args {
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void setEnviron();
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};
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void completeFlakeInputPath(
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AddCompletions & completions,
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ref<EvalState> evalState,
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const std::vector<FlakeRef> & flakeRefs,
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std::string_view prefix);
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void completeFlakeRef(AddCompletions & completions, ref<Store> store, std::string_view prefix);
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void completeFlakeRefWithFragment(
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@ -28,7 +28,7 @@
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namespace nix {
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static void completeFlakeInputPath(
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void completeFlakeInputPath(
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AddCompletions & completions,
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ref<EvalState> evalState,
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const std::vector<FlakeRef> & flakeRefs,
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@ -46,13 +46,6 @@ MixFlakeOptions::MixFlakeOptions()
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{
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auto category = "Common flake-related options";
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addFlag({
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.longName = "recreate-lock-file",
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.description = "Recreate the flake's lock file from scratch.",
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.category = category,
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.handler = {&lockFlags.recreateLockFile, true}
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});
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addFlag({
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.longName = "no-update-lock-file",
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.description = "Do not allow any updates to the flake's lock file.",
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@ -85,19 +78,6 @@ MixFlakeOptions::MixFlakeOptions()
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.handler = {&lockFlags.commitLockFile, true}
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});
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addFlag({
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.longName = "update-input",
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.description = "Update a specific flake input (ignoring its previous entry in the lock file).",
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.category = category,
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.labels = {"input-path"},
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.handler = {[&](std::string s) {
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lockFlags.inputUpdates.insert(flake::parseInputPath(s));
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}},
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.completer = {[&](AddCompletions & completions, size_t, std::string_view prefix) {
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completeFlakeInputPath(completions, getEvalState(), getFlakeRefsForCompletion(), prefix);
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}}
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});
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addFlag({
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.longName = "override-input",
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.description = "Override a specific flake input (e.g. `dwarffs/nixpkgs`). This implies `--no-write-lock-file`.",
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@ -447,8 +447,8 @@ LockedFlake lockFlake(
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assert(input.ref);
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/* Do we have an entry in the existing lock file? And we
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don't have a --update-input flag for this input? */
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/* Do we have an entry in the existing lock file?
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And the input is not in updateInputs? */
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std::shared_ptr<LockedNode> oldLock;
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updatesUsed.insert(inputPath);
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@ -472,9 +472,8 @@ LockedFlake lockFlake(
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node->inputs.insert_or_assign(id, childNode);
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/* If we have an --update-input flag for an input
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of this input, then we must fetch the flake to
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update it. */
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/* If we have this input in updateInputs, then we
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must fetch the flake to update it. */
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auto lb = lockFlags.inputUpdates.lower_bound(inputPath);
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auto mustRefetch =
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@ -616,7 +615,7 @@ LockedFlake lockFlake(
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for (auto & i : lockFlags.inputUpdates)
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if (!updatesUsed.count(i))
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warn("the flag '--update-input %s' does not match any input", printInputPath(i));
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warn("'%s' does not match any input of this flake", printInputPath(i));
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/* Check 'follows' inputs. */
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newLockFile.check();
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@ -2,11 +2,10 @@ R""(
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# Examples
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* Update the `nixpkgs` and `nix` inputs of the flake in the current
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directory:
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* Create the lock file for the flake in the current directory:
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```console
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# nix flake lock --update-input nixpkgs --update-input nix
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# nix flake lock
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warning: creating lock file '/home/myself/repos/testflake/flake.lock':
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• Added input 'nix':
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'github:NixOS/nix/9fab14adbc3810d5cc1f88672fde1eee4358405c' (2023-06-28)
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@ -14,28 +13,28 @@ R""(
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'github:NixOS/nixpkgs/3d2d8f281a27d466fa54b469b5993f7dde198375' (2023-06-30)
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```
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* Add missing inputs to the lock file for a flake in a different directory:
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```console
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# nix flake lock ~/repos/another
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warning: updating lock file '/home/myself/repos/another/flake.lock':
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• Added input 'nixpkgs':
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'github:NixOS/nixpkgs/3d2d8f281a27d466fa54b469b5993f7dde198375' (2023-06-30)
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```
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> **Note**
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>
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> When trying to refer to a flake in a subdirectory, write `./another`
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> instead of `another`.
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> Otherwise Nix will try to look up the flake in the registry.
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# Description
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This command updates the lock file of a flake (`flake.lock`) so that
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it contains a lock for every flake input specified in
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`flake.nix`. Existing lock file entries are not updated unless
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required by a flag such as `--update-input`.
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This command adds inputs to the lock file of a flake (`flake.lock`)
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so that it contains a lock for every flake input specified in
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`flake.nix`. Existing lock file entries are not updated.
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Note that every command that operates on a flake will also update the
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lock file if needed, and supports the same flags. Therefore,
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```console
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# nix flake lock --update-input nixpkgs
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# nix build
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```
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is equivalent to:
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```console
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# nix build --update-input nixpkgs
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```
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Thus, this command is only useful if you want to update the lock file
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separately from any other action such as building.
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If you want to update existing lock entries, use
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[`nix flake update`](@docroot@/command-ref/new-cli/nix3-flake-update.md)
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)""
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@ -2,8 +2,7 @@ R""(
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# Examples
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* Recreate the lock file (i.e. update all inputs) and commit the new
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lock file:
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* Update all inputs (i.e. recreate the lock file from scratch):
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```console
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# nix flake update
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@ -14,26 +13,46 @@ R""(
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• Updated input 'nixpkgs':
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'github:NixOS/nixpkgs/3d2d8f281a27d466fa54b469b5993f7dde198375' (2023-06-30)
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→ 'github:NixOS/nixpkgs/a3a3dda3bacf61e8a39258a0ed9c924eeca8e293' (2023-07-05)
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…
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warning: committed new revision '158bcbd9d6cc08ab859c0810186c1beebc982aad'
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```
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* Update only a single input:
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```console
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# nix flake update nixpkgs
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warning: updating lock file '/home/myself/repos/testflake/flake.lock':
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• Updated input 'nixpkgs':
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'github:NixOS/nixpkgs/3d2d8f281a27d466fa54b469b5993f7dde198375' (2023-06-30)
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→ 'github:NixOS/nixpkgs/a3a3dda3bacf61e8a39258a0ed9c924eeca8e293' (2023-07-05)
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```
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* Update only a single input of a flake in a different directory:
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```console
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# nix flake update nixpkgs --flake ~/repos/another
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warning: updating lock file '/home/myself/repos/another/flake.lock':
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• Updated input 'nixpkgs':
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'github:NixOS/nixpkgs/3d2d8f281a27d466fa54b469b5993f7dde198375' (2023-06-30)
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→ 'github:NixOS/nixpkgs/a3a3dda3bacf61e8a39258a0ed9c924eeca8e293' (2023-07-05)
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```
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> **Note**
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>
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> When trying to refer to a flake in a subdirectory, write `./another`
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> instead of `another`.
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> Otherwise Nix will try to look up the flake in the registry.
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# Description
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This command recreates the lock file of a flake (`flake.lock`), thus
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updating the lock for every unlocked input (like `nixpkgs`) to its
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current version. This is equivalent to passing `--recreate-lock-file`
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to any command that operates on a flake. That is,
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This command updates the inputs in a lock file (`flake.lock`).
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**By default, all inputs are updated**. If the lock file doesn't exist
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yet, it will be created. If inputs are not in the lock file yet, they will be added.
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```console
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# nix flake update
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# nix build
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```
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Unlike other `nix flake` commands, `nix flake update` takes a list of names of inputs
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to update as its positional arguments and operates on the flake in the current directory.
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You can pass a different flake-url with `--flake` to override that default.
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is equivalent to:
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```console
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# nix build --recreate-lock-file
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```
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The related command [`nix flake lock`](@docroot@/command-ref/new-cli/nix3-flake-lock.md)
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also creates lock files and adds missing inputs, but is safer as it
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will never update inputs already in the lock file.
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)""
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@ -24,8 +24,10 @@ using namespace nix;
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using namespace nix::flake;
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using json = nlohmann::json;
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struct CmdFlakeUpdate;
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class FlakeCommand : virtual Args, public MixFlakeOptions
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{
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protected:
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std::string flakeUrl = ".";
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public:
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@ -63,6 +65,8 @@ public:
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struct CmdFlakeUpdate : FlakeCommand
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{
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public:
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std::string description() override
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{
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return "update flake lock file";
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@ -70,9 +74,31 @@ struct CmdFlakeUpdate : FlakeCommand
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CmdFlakeUpdate()
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{
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expectedArgs.clear();
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addFlag({
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.longName="flake",
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.description="The flake to operate on. Default is the current directory.",
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.labels={"flake-url"},
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.handler={&flakeUrl},
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.completer = {[&](AddCompletions & completions, size_t, std::string_view prefix) {
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completeFlakeRef(completions, getStore(), prefix);
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}}
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});
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expectArgs({
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.label="inputs",
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.optional=true,
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.handler={[&](std::string inputToUpdate){
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auto inputPath = flake::parseInputPath(inputToUpdate);
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if (lockFlags.inputUpdates.contains(inputPath))
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warn("Input '%s' was specified multiple times. You may have done this by accident.");
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lockFlags.inputUpdates.insert(inputPath);
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}},
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.completer = {[&](AddCompletions & completions, size_t, std::string_view prefix) {
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completeFlakeInputPath(completions, getEvalState(), getFlakeRefsForCompletion(), prefix);
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}}
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});
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/* Remove flags that don't make sense. */
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removeFlag("recreate-lock-file");
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removeFlag("update-input");
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removeFlag("no-update-lock-file");
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removeFlag("no-write-lock-file");
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}
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@ -87,8 +113,9 @@ struct CmdFlakeUpdate : FlakeCommand
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void run(nix::ref<nix::Store> store) override
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{
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settings.tarballTtl = 0;
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auto updateAll = lockFlags.inputUpdates.empty();
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lockFlags.recreateLockFile = true;
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lockFlags.recreateLockFile = updateAll;
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lockFlags.writeLockFile = true;
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lockFlags.applyNixConfig = true;
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@ -48,11 +48,10 @@ EOF
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[[ "$(NIX_GET_COMPLETIONS=5 nix build ./foo ./bar --override-input '')" == $'normal\na\t\nb\t' ]]
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## With tilde expansion
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[[ "$(HOME=$PWD NIX_GET_COMPLETIONS=4 nix build '~/foo' --override-input '')" == $'normal\na\t' ]]
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[[ "$(HOME=$PWD NIX_GET_COMPLETIONS=5 nix flake show '~/foo' --update-input '')" == $'normal\na\t' ]]
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[[ "$(HOME=$PWD NIX_GET_COMPLETIONS=4 nix run '~/foo' --update-input '')" == $'normal\na\t' ]]
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[[ "$(HOME=$PWD NIX_GET_COMPLETIONS=5 nix flake update --flake '~/foo' '')" == $'normal\na\t' ]]
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## Out of order
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[[ "$(NIX_GET_COMPLETIONS=3 nix build --update-input '' ./foo)" == $'normal\na\t' ]]
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[[ "$(NIX_GET_COMPLETIONS=4 nix build ./foo --update-input '' ./bar)" == $'normal\na\t\nb\t' ]]
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[[ "$(NIX_GET_COMPLETIONS=3 nix build --override-input '' '' ./foo)" == $'normal\na\t' ]]
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[[ "$(NIX_GET_COMPLETIONS=4 nix build ./foo --override-input '' '' ./bar)" == $'normal\na\t\nb\t' ]]
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# Cli flag completion
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NIX_GET_COMPLETIONS=2 nix build --log-form | grep -- "--log-format"
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@ -42,7 +42,8 @@ git -C $flakeB commit -a -m 'Foo'
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sed -i $flakeB/flake.nix -e 's/456/789/'
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git -C $flakeB commit -a -m 'Foo'
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[[ $(nix eval --update-input b $flakeA#foo) = 1912 ]]
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nix flake update b --flake $flakeA
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[[ $(nix eval $flakeA#foo) = 1912 ]]
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# Test list-inputs with circular dependencies
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nix flake metadata $flakeA
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@ -300,7 +300,7 @@ nix build -o "$TEST_ROOT/result" flake4#xyzzy
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nix flake lock "$flake3Dir"
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[[ -z $(git -C "$flake3Dir" diff master || echo failed) ]]
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nix flake update "$flake3Dir" --override-flake flake2 nixpkgs
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nix flake update --flake "$flake3Dir" --override-flake flake2 nixpkgs
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[[ ! -z $(git -C "$flake3Dir" diff master || echo failed) ]]
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# Make branch "removeXyzzy" where flake3 doesn't have xyzzy anymore
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@ -437,7 +437,7 @@ cat > "$flake3Dir/flake.nix" <<EOF
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}
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EOF
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nix flake update "$flake3Dir"
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nix flake update --flake "$flake3Dir"
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[[ $(jq -c .nodes.flake2.inputs.flake1 "$flake3Dir/flake.lock") =~ '["foo"]' ]]
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[[ $(jq .nodes.foo.locked.url "$flake3Dir/flake.lock") =~ flake7 ]]
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@ -480,7 +480,7 @@ nix flake lock "$flake3Dir" --override-input flake2/flake1 flake1/master/$hash1
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nix flake lock "$flake3Dir"
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[[ $(jq -r .nodes.flake1_2.locked.rev "$flake3Dir/flake.lock") = $hash1 ]]
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nix flake lock "$flake3Dir" --update-input flake2/flake1
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nix flake update flake2/flake1 --flake "$flake3Dir"
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[[ $(jq -r .nodes.flake1_2.locked.rev "$flake3Dir/flake.lock") =~ $hash2 ]]
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# Test 'nix flake metadata --json'.
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@ -77,7 +77,7 @@ git -C $flakeFollowsA add flake.nix flakeB/flake.nix \
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nix flake metadata $flakeFollowsA
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nix flake update $flakeFollowsA
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nix flake update --flake $flakeFollowsA
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nix flake lock $flakeFollowsA
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@ -228,7 +228,7 @@ git -C "$flakeFollowsOverloadA" add flake.nix flakeB/flake.nix \
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flakeB/flakeC/flake.nix flakeB/flakeC/flakeD/flake.nix
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nix flake metadata "$flakeFollowsOverloadA"
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nix flake update "$flakeFollowsOverloadA"
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nix flake update --flake "$flakeFollowsOverloadA"
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nix flake lock "$flakeFollowsOverloadA"
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# Now test follow cycle detection
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Loading…
Reference in a new issue