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Merge pull request #7382 from fricklerhandwerk/doc-automatic-uid

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move documentation on `auto-allocate-uids` to options docs
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Eelco Dolstra 2022-12-06 11:31:34 +01:00 • committed by GitHub
commit 54906bc93c
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2 changed files with 50 additions and 30 deletions
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38
src/libstore/globals.hh
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@ -284,7 +284,22 @@ public:
)"};
Setting<bool> autoAllocateUids{this, false, "auto-allocate-uids",
"Whether to allocate UIDs for builders automatically."};
R"(
Whether to select UIDs for builds automatically, instead of using the
users in `build-users-group`.
UIDs are allocated starting at 872415232 (0x34000000) on Linux and 56930 on macOS.
> **Warning**
> This is an experimental feature.
To enable it, add the following to [`nix.conf`](#):
```
extra-experimental-features = auto-allocate-uids
auto-allocate-uids = true
```
)"};
Setting<uint32_t> startId{this,
#if __linux__
@ -308,11 +323,22 @@ public:
Setting<bool> useCgroups{
this, false, "use-cgroups",
R"(
Whether to execute builds inside cgroups. Cgroups are
enabled automatically for derivations that require the
`uid-range` system feature.
)"
};
Whether to execute builds inside cgroups.
This is only supported on Linux.
Cgroups are required and enabled automatically for derivations
that require the `uid-range` system feature.
> **Warning**
> This is an experimental feature.
To enable it, add the following to [`nix.conf`](#):
```
extra-experimental-features = cgroups
use-cgroups = true
```
)"};
#endif
Setting<bool> impersonateLinux26{this, false, "impersonate-linux-26",