Commit graph

9237 commits

Author SHA1 Message Date
regnat 5895184df4 Correctly call all the parent contructors of the stores
Using virtual inheritance means that only the default constructors of
the parent classes will be called, which isn't what we want
2020-09-16 13:53:09 +02:00
regnat d184ad1d27 fixup! Make the store plugins more introspectable 2020-09-16 13:53:09 +02:00
regnat dae39f0a7a Make nix describe-stores functional
Using the `*Config` class hierarchy
2020-09-16 13:53:08 +02:00
regnat 22afa8fb4d Separate store configs from the implems
Rework the `Store` hierarchy so that there's now one hierarchy for the
store configs and one for the implementations (where each implementation
extends the corresponding config). So a class hierarchy like

```
StoreConfig-------->Store
    |                 |
    v                 v
SubStoreConfig----->SubStore
    |                 |
    v                 v
SubSubStoreConfig-->SubSubStore
```

(with virtual inheritance to prevent DDD).

The advantage of this architecture is that we can now introspect the configuration of a store without having to instantiate the store itself
2020-09-16 13:53:08 +02:00
regnat aa4eac3788 fixup! Separate the instantiation and initialisation of the stores 2020-09-16 13:53:08 +02:00
regnat 35042c9623 Add a default value for the settings
The default value is initialized when creating the setting and unchanged
after that
2020-09-16 13:53:08 +02:00
regnat 3c525d1590 Complete the toJSON instance for Setting<T>
Don't let it just contain the value, but also the other fields of the
setting (description, aliases, etc..)
2020-09-16 13:53:08 +02:00
regnat 3b57181f8e Separate the instantiation and initialisation of the stores
Add a new `init()` method to the `Store` class that is supposed to
handle all the effectful initialisation needed to set-up the store.
The constructor should remain side-effect free and just initialize the
c++ data structure.

The goal behind that is that we can create “dummy” instances of each
store to query static properties about it (the parameters it accepts for
example)
2020-09-16 13:53:08 +02:00
regnat fa32560169 Fix the registration of stores 2020-09-16 13:53:08 +02:00
regnat 7d5bdf8b56 Make the store plugins more introspectable
Directly register the store classes rather than a function to build an
instance of them.
This gives the possibility to introspect static members of the class or
choose different ways of instantiating them.
2020-09-16 13:53:08 +02:00
Eelco Dolstra 609a6d6d9f Merge branch 'single-ca-drv-build' of https://github.com/obsidiansystems/nix 2020-09-16 12:14:01 +02:00
John Ericson 3a5cdd737c Rename Derivation::pathOpt to Derivation::path
We no longer need the `*Opt` to disambiguate.
2020-09-15 15:21:39 +00:00
John Ericson 6387550d58 Get rid of confusing std::optional<bool> for validity 2020-09-15 15:19:45 +00:00
John Ericson c4bf219b55 Don't link deriver until after any delayed exception is thrown
Otherwise, we will associate fixed-output derivations with outputs that
they did indeed produce, but which had the wrong hash. That's no good.
2020-09-15 14:28:06 +00:00
John Ericson 3ba552b245 Merge remote-tracking branch 'upstream/master' into single-ca-drv-build 2020-09-15 14:17:06 +00:00
Eelco Dolstra 733d2e9402 .gitignore: inst -> outputs 2020-09-15 13:48:42 +02:00
Eelco Dolstra 2a80170920
Merge pull request #4014 from tweag/fix-queryDrvOutputMaps-for-old-daemons
gracefully handle old daemon versions
2020-09-15 11:25:19 +02:00
regnat 057c6203b5 gracefully handle old daemon versions
Add a fallback path in `queryPartialDerivationOutputMap` for daemons
that don't support it.

Also upstreams a couple methods from `SSHStore` to `RemoteStore` as this
is needed to handle the fallback path.
2020-09-15 09:58:01 +02:00
Eelco Dolstra 885cc91405
Merge pull request #4012 from tweag/3989-escape-dollar-in-manifest
Escape `${` in strings when printing Nix expressions
2020-09-14 18:38:23 +02:00
regnat 250f8a4bba Escape ${ in strings when printing Nix expressions
Otherwise the result of the printing can't be parsed back correctly by
Nix (because the unescaped `${` will be parsed as the begining of an
anti-quotation).

Fix #3989
2020-09-14 17:19:25 +02:00
Eelco Dolstra a59e77d9e5 nix-daemon: Lower verbosity of restricted setting warning
Fixes #3992.
2020-09-14 13:48:51 +02:00
Eelco Dolstra 35ba092019
Merge pull request #4005 from Infinisil/fix-autoArgs
Fix auto argument passing for more auto arguments than formals
2020-09-14 13:31:23 +02:00
Eelco Dolstra 9e5e5e6217
Merge pull request #4010 from leungbk/ccls
Add ccls files to .gitignore
2020-09-14 13:19:26 +02:00
Eelco Dolstra 8ebd10664e
Merge pull request #4008 from aszlig/fix-ub-in-reading-ca-map
Fix unspecified behaviour in readStorePathCAMap
2020-09-14 13:18:52 +02:00
Brian Leung c8b17212c8 Add ccls files to .gitignore 2020-09-13 14:40:23 -07:00
aszlig 525b38eee8
Fix unspecified behaviour in readStorePathCAMap
When deploying a Hydra instance with current Nix master, most builds
would not run because of errors like this:

  queue monitor: error: --- Error --- hydra-queue-runner
  error: --- UsageError --- nix-daemon
  not a content address because it is not in the form '<prefix>:<rest>': /nix/store/...-somedrv

The last error message is from parseContentAddress, which expects a
colon-separated string, however what we got here is a store path.

Looking at the worker protocol, the following message sent to the Nix
daemon caused the error above:

  0x1E -> wopQuerySubstitutablePathInfos
  0x01 -> Number of paths
  0x16 -> Length of string
  "/nix/store/...-somedrv"
  0x00 -> Length of string
  ""

Looking at writeStorePathCAMap, the store path is indeed the first field
that's transmitted. However, readStorePathCAMap expects it to be the
*second* field *on my machine*, since expression evaluation order is a
classic form of unspecified behaviour[1] in C++.

This has been introduced in https://github.com/NixOS/nix/pull/3689,
specifically in commit 66a62b3189.

[1]: https://en.wikipedia.org/wiki/Unspecified_behavior#Order_of_evaluation_of_subexpressions

Signed-off-by: aszlig <aszlig@nix.build>
2020-09-13 02:40:51 +02:00
Jade Lovelace 7cb5f643a6
docs+test: fix remaining installer downloads without -L (#4006)
Co-authored-by: lf- <lf-@users.noreply.github.com>
2020-09-12 22:08:40 +02:00
Silvan Mosberger 8dbd57a6a5
Fix auto argument passing for more auto arguments than formals
The change in 626200713b didn't account
for when the number of auto arguments is bigger than the number of
formal arguments. This causes the following:

  $ nix-instantiate --eval -E '{ ... }@args: args.foo' --argstr foo foo
  nix-instantiate: src/libexpr/attr-set.hh:55: void nix::Bindings::push_back(const nix::Attr&): Assertion `size_ < capacity_' failed.
  Aborted (core dumped)
2020-09-11 20:41:51 +02:00
Domen Kožar e1f2c93f88
Merge pull request #3988 from Gabriel439/gabriel/preserve_ps1
Add `nix-shell` support for preserving PS1
2020-09-11 12:33:03 +02:00
Vladimír Čunát 77d4758cf2
Merge #3982: Minor docs updates 2020-09-07 21:54:59 +02:00
Gabriel Gonzalez ee5906243a Add nix-shell support for preserving PS1
Fixes https://github.com/NixOS/nix/issues/1268

`nix-shell` will now preserve `PS1` if the `NIX_SHELL_PRESERVE_PROMPT`
environment variable is set.
2020-09-04 20:05:43 -07:00
John Ericson 5aed6f9b25 Document mkOutputString 2020-09-04 15:58:42 +00:00
John Ericson e9fad3006b Fix some of the issues raised by @edolstra
- More and better comments

 - The easier renames
2020-09-04 15:18:25 +00:00
John Ericson e86dd59dcc
Apply suggestions from code review
Thanks!

Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
2020-09-04 10:48:50 -04:00
John Ericson c9f1ed912c Don't chmod symlink before moving outputs around
Co-authored-by: Théophane Hufschmitt <regnat@users.noreply.github.com>
2020-09-04 14:41:53 +00:00
John Ericson b99062b023
Update tests/content-addressed.nix
Co-authored-by: Théophane Hufschmitt <regnat@users.noreply.github.com>
2020-09-04 10:29:28 -04:00
John Ericson c224a5e5c1 Rename derivation in floating CA test 2020-09-03 22:35:13 +00:00
John Ericson 145915eb39 Beef up floating CA derivations test a bit 2020-09-03 22:14:45 +00:00
John Ericson e7d93e7ece Merge remote-tracking branch 'upstream/master' into single-ca-drv-build 2020-09-03 15:43:17 +00:00
Eelco Dolstra 8a945d6ddb
Remove gc-check-reachability 2020-09-03 11:30:15 +02:00
Eelco Dolstra 82b77a7726
addPermRoot(): Remove indirect flag 2020-09-03 11:29:34 +02:00
Eelco Dolstra 00d25e8457
Remove the --indirect flag
All GC roots are now indirect.
2020-09-03 11:22:00 +02:00
Eelco Dolstra b07167be5a
createGeneration(): Always create an indirect root
This means profiles outside of /nix/var/nix/profiles don't get
garbage-collected. It also means we don't need to scan
/nix/var/nix/profiles for GC roots anymore, except for compatibility
with previously existing generations.
2020-09-03 11:13:53 +02:00
Eelco Dolstra b74f5cdd23
createGeneration(): Take a StorePath 2020-09-03 11:06:56 +02:00
Eelco Dolstra 94a043ff3b
EvalCache: Fix caching of strings
This was broken in 50f13b06fb. Once
again it turns out that putting a bool in a std::variant is a bad
idea, since pointers get silently cast to them...
2020-09-02 14:16:44 +02:00
Eelco Dolstra 14652da432
Merge pull request #3981 from domenkozar/http-binary-cache-allow-absolute-urls
Allow HTTP binary cache to request absolute uris
2020-09-02 12:06:28 +02:00
Domen Kožar dd4b56c87f
Allow HTTP binary cache to request absolute uris 2020-09-01 21:35:48 +02:00
Cole Helbling a72ed3e8a1
hacking.md: add --prefix flag to configure
Otherwise, the steps advertised in this document won't actually work
(e.g. `make install` will fail, trying to access /usr, and
`./inst/bin/nix` won't exist).
2020-09-01 12:06:02 -07:00
Cole Helbling a76b8b5467
README: update link to Hacking section 2020-09-01 12:05:49 -07:00
John Ericson ef278d00f9 Merge remote-tracking branch 'upstream/master' into single-ca-drv-build 2020-09-01 18:01:48 +00:00