4489718d8f
This commits changes the Emacs wrapper, in order to preload all autoload
definitions when built with additional packages. The list of all
definitions is generated at build-time. Packages do not need to
be (require)d for them to work.
Before this change, a code like
```sh
nix-shell -I "nixpkgs=$PWD" -p "emacs.pkgs.withPackages(e:[e.magit])" \
--run "emacs -Q -nw -f magit"
```
will fail with the message `Symbol’s function definition is void: magit`
After the change, the same code above will open Emacs with magit
enabled.
A slightly longer startup time of ~10ms was detected in local, informal
experiments.
More information on autoloading:
https://www.gnu.org/software/emacs/manual/html_node/eintr/Autoload.html
48 lines
1 KiB
Bash
48 lines
1 KiB
Bash
#!@bash@
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IFS=:
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newLoadPath=()
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newNativeLoadPath=()
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added=
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if [[ -n $EMACSLOADPATH ]]
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then
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while read -rd: entry
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do
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if [[ -z $entry && -z $added ]]
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then
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newLoadPath+=(@wrapperSiteLisp@)
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added=1
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fi
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newLoadPath+=("$entry")
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done <<< "$EMACSLOADPATH:"
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else
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newLoadPath+=(@wrapperSiteLisp@)
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newLoadPath+=("")
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fi
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if [[ -n $EMACSNATIVELOADPATH ]]
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then
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while read -rd: entry
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do
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if [[ -z $entry && -z $added ]]
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then
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newNativeLoadPath+=(@wrapperSiteLispNative@)
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added=1
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fi
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newNativeLoadPath+=("$entry")
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done <<< "$EMACSNATIVELOADPATH:"
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else
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newNativeLoadPath+=(@wrapperSiteLispNative@)
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newNativeLoadPath+=("")
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fi
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export EMACSLOADPATH="${newLoadPath[*]}"
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export emacsWithPackages_siteLisp=@wrapperSiteLisp@
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export EMACSNATIVELOADPATH="${newNativeLoadPath[*]}"
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export emacsWithPackages_siteLispNative=@wrapperSiteLispNative@
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exec @prog@ -l cl-loaddefs -l nix-generated-autoload "$@"
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