diff options
| author | John Ericson <John.Ericson@Obsidian.Systems> | 2022-07-15 13:59:32 +0000 |
|---|---|---|
| committer | John Ericson <John.Ericson@Obsidian.Systems> | 2022-07-15 14:04:22 +0000 |
| commit | 12461e246b02371c6b6981b4e65985e9397474e1 (patch) | |
| tree | 864d41ce5c08a1c0f3f14dd56b6f339ff854e039 /src/nix/nix.md | |
| parent | 0e4ec98ae8a4ec60b24ebd676a9ace0f4ca81da8 (diff) | |
Leverage existing docs for new store-path^outputs syntax
Diffstat (limited to 'src/nix/nix.md')
| -rw-r--r-- | src/nix/nix.md | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/src/nix/nix.md b/src/nix/nix.md index 29ad195ae..811936024 100644 --- a/src/nix/nix.md +++ b/src/nix/nix.md @@ -130,17 +130,6 @@ the Nix store. Here are the recognised types of installables: If you want to operate on the store derivation itself, pass the `--derivation` flag. -* **Indexed store derivations**: `/nix/store/p7gp6lxdg32h4ka1q398wd9r2zkbbz2v-hello-2.10.drv^out` - - Store derivations can be indexed with a non-empty comma-separated list - of specific output names, or `*` meaning all outputs. This allows - finer control versus just specifying a derivation (without - `--derivation`) and getting all the outputs. - - This is especially useful for (currently unstable) floating content - addressed derivations, which do not have precomputed output paths that - can be used instead. - * **Nix attributes**: `--file /path/to/nixpkgs hello` When the `-f` / `--file` *path* option is given, installables are @@ -175,6 +164,13 @@ operate are determined as follows: … ``` + and likewise, using a store path to a "drv" file to specify the derivation: + + ```console + # nix build '/nix/store/gzaflydcr6sb3567hap9q6srzx8ggdgg-glibc-2.33-78.drv^dev,static' + … + ``` + * You can also specify that *all* outputs should be used using the syntax *installable*`^*`. For example, the following shows the size of all outputs of the `glibc` package in the binary cache: @@ -188,9 +184,17 @@ operate are determined as follows: /nix/store/q6580lr01jpcsqs4r5arlh4ki2c1m9rv-glibc-2.33-123-dev 44200560 ``` -* If you didn't specify the desired outputs, but the derivation has an - attribute `meta.outputsToInstall`, Nix will use those outputs. For - example, since the package `nixpkgs#libxml2` has this attribute: + and likewise, again using a store path to a "drv" file to specify the derivation: + + ```console + # nix path-info -S --eval-store auto --store https://cache.nixos.org '/nix/store/gzaflydcr6sb3567hap9q6srzx8ggdgg-glibc-2.33-78.drv^*' + … + ``` + +* If you didn't specify the desired outputs, but the derivation comes + from an expression which has an attribute `meta.outputsToInstall`, Nix + will use those outputs. For example, since the package + `nixpkgs#libxml2` has this attribute: ```console # nix eval 'nixpkgs#libxml2.meta.outputsToInstall' |