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This change fixes byte compilation of, e.g., Helm without breaking
builds using, e.g., `trivialBuild`.
See https://github.com/NixOS/nixpkgs/pull/82604#issuecomment-607201755
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- Add packages installed in a sub-directory of site-lisp, such as
mu4e, to EMACSLOADPATH.
- Add ELPA packages to EMACSLOADPATH.
- Add each package only once to EMACSLOADPATH. Before, each package
would typically be added twice for each transitive dependency
leading to a huge variable for a package having many dependencies.
Fixed #78680
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A trailing separator in emacs load paths has semantics
cc @Ericson2314 @adisbladis https://github.com/NixOS/nixpkgs/pull/73287
This partially reverts commit ca782498a9532c48d8e12ce402813486ab90e7f0
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1. Make the test more robust
2. EMACSLOADPATH may be initially undefined.
3. did `targetOffset` twice when meant `hostOffset` too
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This removes the unnecessary compiler build dependency. We also set
preferLocalBuild = true;
allowSubstitutes = false;
to not farm out the build on a remote builder or bother with trying to
find a binary substitution.
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These have been deprecated for a long time now and has not seen much maintenance.
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isNull "is deprecated; just write e == null instead" says the Nix manual
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Emacs loads all the elisp files in the top-level of the site-lisp
directory. However some packages (e.g. mu4e) put their elisp files in a
subdirectory of site-lisp. Emacs will not load these packages unless
subdirs.el is present.
This commit links the subdirs.el file from the emacs package into the
emacs-package-deps package so that packages that put their elisp files
in a subdirectory of site-lisp are loaded.
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This commit causes melpaBuild to use package-build from melpa/package-build
instead of melpa/melpa. Development of package-build happens in the former
repository whereas the latter is much larger, containing also the MELPA
recipes. We do not need to fetch the MELPA recipes from melpa/melpa, as we fetch
them one-by-one for Nixpkgs.
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No real function change here, but this updates the trivial and melpa builders to
be formatted more consistently with the rest of the builders, and swaps
`eval "$preBuild"` for the more standard `runHook preBuild`.
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The `overrideScope` bound by `makeScope` (via special `callPackage`)
took an override in the form `super: self { … }`. But this is
dangerously close to the `self: super { … }` form used by *everything*
else, even other definitions of `overrideScope`! Since that
implementation did not even share any code either until I changed it
recently in 3cf43547f4be03d1d6eb0bbfc557e2dbc13b4095, this inconsistency
is almost certainly an oversight and not intentional.
Unfortunately, just as the inconstency is hard to debug if one just
assumes the conventional order, any sudden fix would break existing
overrides in the same hard-to-debug way. So instead of changing the
definition a new `overrideScope'` with the conventional order is added,
and old `overrideScope` deprecated with a warning saying to use
`overrideScope'` instead. That will hopefully get people to stop using
`overrideScope`, freeing our hand to change or remove it in the future.
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package-build expects the recipe file name to match the Emacs package
name. `melpaBuild` takes an extra argument `ename` for the Emacs package
name (default: `pname`, the Nix package name) which is used to name the recipe
file.
Fixes: #43893
See also: #43609
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All package sets are simultaneously updated to accommodate changes to
package-build. Due to new restrictions in package-build, all packages using
`melpaBuild` must now provide a recipe file, even those packages which are not
included in upstream MELPA.
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Null packages cause an error
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Among other things, this will allow *2nix tools to output plain data
while still being composable with the traditional
callPackage/.override interfaces.
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This is hacky but it does the job, resurrects findInputs from before staging merge
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This commits needs a MAJOR audit as I oftentimes just guessed which of
`$hostOffset`, `$targetOffset`, or a fixed offset should be used.
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In 8d76eff, @Ericson2314 changed the representation of the value that
`findInputs` generated from a whitespace-separated bunch strings to an
actual array of strings.
Expressions that *consume* that value, however, also needed to be
changed to iterate over all the contents of the array, else they would
only select the first value, which turns out to be somewhat limiting.
Fixes #27873
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I was getting the following error building tide from Melpa:
nix-build -E '(import <nixpkgs> {}).emacs25WithPackages (p: [p.melpaPackages.tide])'
File tide-20170509.1134.tar is large (10.2M), really open? (y or n) Error reading from stdin
builder for ‘/nix/store/gs9ik7yf8iilsikkfing74i70m0diax3-emacs-tide-20170509.1134.drv’ failed with exit code 255
cannot build derivation ‘/nix/store/m3p080aani4rw82llp8nqk93cw2nvirk-emacs-with-packages-25.2.drv’: 1 dependencies couldn't be built
Solution was to disable the large file warning threshold when
installing packages.
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fixes #22893
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After [this change](https://github.com/NixOS/nixpkgs/commit/901a778c7744b25013168dde1a2a548ad531fd78), it should be `overrideScope` instead of `override`.
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emacs: add an option to install the C source
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Use inherit-local, add per-package elisp hooks.
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There's some bigger changes coming, but thought I'd push this first...
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This builds elisp to setup an emacs buffer with the packages given
available. See shlevy/nix-buffer for more information.
Currently only modifies $PATH.
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This reverts commit da681277373320321a4e60f3491915b16f0b9f80, reversing
changes made to 2ba494b728ef9ba46e525132457a45a2384cf40e.
These changes are reverted because they cause an incompatibility which
they should not.
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"emacsWrapper" replaces emacsWithPackages. In addition to "packagesFun",
emacsWrapper has an optional variable called "execStart". execStart can
be used to append elisp to the default site-start.el script. This is
useful for providing a way to load a user's .emacs.d/init.el
file. "emacsWithPackages" is implemented with emacsWrapper for
convenience and compatability.
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Move all the dependencies to their own derivation, so that we don't publish all
of them if the wrapper is installed in a profile.
The previous solution just moved them to a custom directory to avoid conflicts,
this refactors that and completely hides them, while preserving the desired
improvement of adding only one directory to each of the emacs search paths
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This is to avoid unwanted side effects when installing a wrapped emacs in the environment:
* All executables in the dependencies become available in the user environment
* All site-lisp binaries in the dependencies become accessible to unwrapped emacs
Also, both bin and site-lisp would generate conflicts so installing a wrapped emacs becomes really cumbersome
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This should provide a small speed improvement by avoiding having to set
hundreds of load-paths.
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Also stops duplicating load paths.
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Building packages requires package-build.el from Melpa, but installing
packages only requires package.el. Packages from ELPA are already built,
so there is no need to involve package-build.el.
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Stop package.el from trying to download dependencies. It wouldn't work
anyway.
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package-build can tell us exactly what the archive file name is, instead
of globbing for it.
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When building a package from a Melpa recipe file, get the Emacs package
name from the recipe. Nix is more restrictive about packages names than
Emacs, so the Nix name for a package is sometimes different.
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