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Author SHA1 Message Date
Valentin Gagarin b387d80943 remove sentence for chapter transition 
idea: sections could be read in different orders by linking them in
different ways (e.g. depth-first or breadth-first). adding hard-coded
transitions makes that confusing.
 2022-08-04 12:37:46 +02:00
John Ericson 89a7c956ff Apply suggestions from code review 
Co-authored-by: Valentin Gagarin <valentin@fricklerhandwerk.de>
 2022-08-04 12:37:46 +02:00
Valentin Gagarin 51e6bed25e do not mention implementation details 
Co-authored-by: John Ericson <git@JohnEricson.me>
 2022-08-04 12:37:46 +02:00
Valentin Gagarin 23ee0b24f7 correctly use comma for nesting 
Co-authored-by: John Ericson <git@JohnEricson.me>
 2022-08-04 12:37:46 +02:00
Valentin Gagarin 804e8bd747 indicate sequence with "then" 
Co-authored-by: John Ericson <git@JohnEricson.me>
 2022-08-04 12:37:46 +02:00
Valentin Gagarin 327ccd3b07 only use generic build system terminology 
we will use a translation table to introduce nix-specific terms
 2022-08-04 12:37:46 +02:00
Valentin Gagarin 0eae4bfad1 reword overview with clear terminology 
trying to capture alternative terms in one go here, mirroring everyday
use:

derivation - build plan
realise - execute build

there will be more of that sort.
 2022-08-04 12:37:46 +02:00
John Ericson 0737094161 Add draft "Rosetta stone" by @fricklerhandwerk and stub commentary 
The idea and most of the execution are @fricklerhandwerk's. I changed a
few things best I could based on @edolstra's corrections, and a Bazel
glossary.

Valentin Gagarin <valentin@fricklerhandwerk.de>
 2022-08-04 12:37:46 +02:00
John Ericson c86c1ec7e3 Make refernces sneak preview more concise 2022-08-04 12:37:46 +02:00
John Ericson 4e4bbd9e83 Improve store objects session more 2022-08-04 12:37:46 +02:00
John Ericson e4eea5e84e Include abstract syntax based on the thesis for FSOs 
See https://edolstra.github.io/pubs/phd-thesis.pdf, page 91.
 2022-08-04 12:37:46 +02:00
John Ericson b98dc3b19c store objects, better opining sentances 2022-08-04 12:37:46 +02:00
John Ericson 55b437b551 Improve store path section 2022-08-04 12:37:46 +02:00
John Ericson b4df351880 Relocability -> relocation in store object title 2022-08-04 12:37:46 +02:00
John Ericson 5f4d2ac091 Improve store object section 
In particular, Nix is *not* like Git, so that needs to be fixed.
 2022-08-04 12:37:46 +02:00
John Ericson 1bbad62c7d doc: File system data -> file system object, to match Nix 2022-08-04 12:37:46 +02:00
John Ericson 838ba26fda Rename files after store entry -> store object rename 2022-08-04 12:37:46 +02:00
John Ericson 4e2d5ae202 doc: Store entry -> store object 
This matches the terminology in Eelco's thesis.
 2022-08-04 12:37:46 +02:00
John Ericson e308602fdf Update doc/manual/src/design/store/drvs/drvs.md 
Co-authored-by: Matthieu Coudron <teto@users.noreply.github.com>
 2022-08-04 12:37:46 +02:00
John Ericson cdb0bf3b65 Update doc/manual/src/design/overview.md 
Co-authored-by: Valentin Gagarin <valentin@fricklerhandwerk.de>
 2022-08-04 12:37:46 +02:00
John Ericson 75c5191a1f Update doc/manual/src/design/overview.md 
Co-authored-by: Valentin Gagarin <valentin@fricklerhandwerk.de>
 2022-08-04 12:37:46 +02:00
John Ericson a04340f9a1 Update doc/manual/src/design/overview.md 
Co-authored-by: Valentin Gagarin <valentin@fricklerhandwerk.de>
 2022-08-04 12:37:46 +02:00
John Ericson f5386d7059 Fix stub file's name 2022-08-04 12:37:46 +02:00
John Ericson 678d75baea Start on the derivations section 2022-08-04 12:37:46 +02:00
John Ericson e3a0209a9e Move the bits on relocating store entires to the end 
They are too advanced for up front.
 2022-08-04 12:37:46 +02:00
John Ericson a210504bc7 Apply suggestions from code review 2022-08-04 12:37:46 +02:00
John Ericson e64633f98f Flesh out TOC 2022-08-04 12:37:46 +02:00
John Ericson a2b3160f28 Briefly describe the digest of a store path 2022-08-04 12:37:46 +02:00
John Ericson 523359d133 WIP: Document the design of Nix 
The current docs are all "how to do things" and no "what is Nix" or "why
are things the way they are".

I see lots of misconception on the wider internet, and I also think we
would benefit from a "living document" to answer some questions people
currently turn to the thesis for.

I think a new section of the manual can address all these issues.
 2022-08-04 12:37:46 +02:00
Valentin Gagarin 499ed26508 manual: remove "Writing Nix Expressions" chapter 
it is out of date, all over the place in level of detail, is really
about `nixpkgs`, and in general instructions should not be part of
a reference manual.

also:
- update redirects and internal links
- use "Nix language" consistently
 2022-08-04 11:59:25 +02:00
Erik Arvstedt 4c8441be0a docs/flake-update: fix example 2022-08-04 09:45:30 +02:00
Erik Arvstedt 53833dfb40 libexpr/flake: remove FIXME 
Line 593 checks that all overrides (i.e. all elements of
`lockFlags.inputOverrides`) are members of `overridesUsed`.
 2022-08-04 09:45:29 +02:00
Erik Arvstedt c9f446ede1 flakeref: fix comment 2022-08-04 09:45:28 +02:00
Eelco Dolstra 075bf6e556
Merge pull request #6861 from edolstra/fix-count-calls 
Fix NIX_COUNT_CALLS=1
 2022-08-03 18:26:01 +02:00
Eelco Dolstra ccbd906c86 Fix NIX_COUNT_CALLS=1 
Also, make the JSON writer support std::string_view.

Fixes #6857.
 2022-08-03 17:46:51 +02:00
Théophane Hufschmitt 7d1ccd9105
Merge pull request #6846 from fricklerhandwerk/values 
manual: use subheadings for primitive types
 2022-08-03 14:50:41 +02:00
Théophane Hufschmitt c55bea4204 Fix the html id of the list headers 2022-08-03 14:16:00 +02:00
Félix Baylac-Jacqué b47b6a418d
tests/check.sh: add nix3-build check test 2022-08-03 12:17:13 +02:00
Valentin Gagarin ceed4d4142 encode primitive as list with anchors 
to make it consistent with builtins and configuration options
 2022-08-03 11:25:41 +02:00
Théophane Hufschmitt d1cda07ce4 Don't use -load_all on darwin 
That flag breaks `-lc++fs` (introducing a duplicate symbol for some
reason). Besides, it was apparently needed for bzip2, but we're not using bzip2
anymore.
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt 1ba5b3e001 Make moveFile more atomic 
Rather than directly copying the source to its dest, copy it first to a
temporary location, and eventually move that temporary.
That way, the move is at least atomic from the point-of-view of the destination
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt 90f9680733 Only use renameFile where needed 
In most places the fallback to copying isn’t needed and can actually be
bad, so we’d rather not transparently fallback
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt d71d9e9fbf moveFile -> renameFile 
`move` tends to have this `mv` connotation of “I will copy it for you if
needs be”
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt a4f0fd633c Link against c++fs on darwin 
Required by the old clang version
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt c5db1821a9 Re-implement the recursive directory copy 
The recursive copy from the stl doesn’t exactly do what we need because
1. It doesn’t delete things as we go
2. It doesn’t keep the mtime, which change the nars

So re-implement it ourselves. A bit dull, but that way we have what we want
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt 6f89fb6008 rename: Fallback to a copy if the filesystems mismatch 
In `nix::rename`, if the call to `rename` fails with `EXDEV` (failure
because the source and the destination are in a different filesystems)
switch to copying and removing the source.

To avoid having to re-implement the copy manually, I switched the
function to use the c++17 `filesystem` library (which has a `copy`
function that should do what we want).

Fix #6262
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt c2de0a232c Create a wrapper around stdlib’s rename 
Directly takes some c++ strings, and gently throws an exception on error
(rather than having to inline this logic everywhere)
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt 8119390abc Move some fs-related functions to their own file 
Unclutter `util.cc` a bit
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt 780a479386
Merge pull request #6851 from K900/patch-1 
doc/distributed-builds: don't use deprecated alias
 2022-08-02 07:17:09 +02:00
Ilya K f675ba5331
doc/distributed-builds: don't use deprecated alias 
`nix ping-store` -> `nix store ping`.
 2022-08-01 13:50:35 +03:00